2006-10-06 23:32:18 +07:00
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/*
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* soc-dapm.c -- ALSA SoC Dynamic Audio Power Management
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*
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* Copyright 2005 Wolfson Microelectronics PLC.
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2008-10-12 19:17:36 +07:00
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* Author: Liam Girdwood <lrg@slimlogic.co.uk>
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2006-10-06 23:32:18 +07:00
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* Features:
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* o Changes power status of internal codec blocks depending on the
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* dynamic configuration of codec internal audio paths and active
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2009-06-06 17:26:15 +07:00
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* DACs/ADCs.
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2006-10-06 23:32:18 +07:00
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* o Platform power domain - can support external components i.e. amps and
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2012-02-06 23:05:29 +07:00
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* mic/headphone insertion events.
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2006-10-06 23:32:18 +07:00
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* o Automatic Mic Bias support
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* o Jack insertion power event initiation - e.g. hp insertion will enable
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* sinks, dacs, etc
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2012-02-06 23:05:29 +07:00
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* o Delayed power down of audio subsystem to reduce pops between a quick
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2006-10-06 23:32:18 +07:00
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* device reopen.
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*
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*/
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/init.h>
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2011-02-19 02:49:43 +07:00
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#include <linux/async.h>
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2006-10-06 23:32:18 +07:00
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#include <linux/delay.h>
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#include <linux/pm.h>
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#include <linux/bitops.h>
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#include <linux/platform_device.h>
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#include <linux/jiffies.h>
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2009-08-24 14:40:34 +07:00
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#include <linux/debugfs.h>
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2011-12-05 22:17:06 +07:00
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#include <linux/pm_runtime.h>
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2012-01-22 04:14:48 +07:00
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#include <linux/regulator/consumer.h>
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2012-05-24 20:26:25 +07:00
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#include <linux/clk.h>
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include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
percpu.h is included by sched.h and module.h and thus ends up being
included when building most .c files. percpu.h includes slab.h which
in turn includes gfp.h making everything defined by the two files
universally available and complicating inclusion dependencies.
percpu.h -> slab.h dependency is about to be removed. Prepare for
this change by updating users of gfp and slab facilities include those
headers directly instead of assuming availability. As this conversion
needs to touch large number of source files, the following script is
used as the basis of conversion.
http://userweb.kernel.org/~tj/misc/slabh-sweep.py
The script does the followings.
* Scan files for gfp and slab usages and update includes such that
only the necessary includes are there. ie. if only gfp is used,
gfp.h, if slab is used, slab.h.
* When the script inserts a new include, it looks at the include
blocks and try to put the new include such that its order conforms
to its surrounding. It's put in the include block which contains
core kernel includes, in the same order that the rest are ordered -
alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
doesn't seem to be any matching order.
* If the script can't find a place to put a new include (mostly
because the file doesn't have fitting include block), it prints out
an error message indicating which .h file needs to be added to the
file.
The conversion was done in the following steps.
1. The initial automatic conversion of all .c files updated slightly
over 4000 files, deleting around 700 includes and adding ~480 gfp.h
and ~3000 slab.h inclusions. The script emitted errors for ~400
files.
2. Each error was manually checked. Some didn't need the inclusion,
some needed manual addition while adding it to implementation .h or
embedding .c file was more appropriate for others. This step added
inclusions to around 150 files.
3. The script was run again and the output was compared to the edits
from #2 to make sure no file was left behind.
4. Several build tests were done and a couple of problems were fixed.
e.g. lib/decompress_*.c used malloc/free() wrappers around slab
APIs requiring slab.h to be added manually.
5. The script was run on all .h files but without automatically
editing them as sprinkling gfp.h and slab.h inclusions around .h
files could easily lead to inclusion dependency hell. Most gfp.h
inclusion directives were ignored as stuff from gfp.h was usually
wildly available and often used in preprocessor macros. Each
slab.h inclusion directive was examined and added manually as
necessary.
6. percpu.h was updated not to include slab.h.
7. Build test were done on the following configurations and failures
were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my
distributed build env didn't work with gcov compiles) and a few
more options had to be turned off depending on archs to make things
build (like ipr on powerpc/64 which failed due to missing writeq).
* x86 and x86_64 UP and SMP allmodconfig and a custom test config.
* powerpc and powerpc64 SMP allmodconfig
* sparc and sparc64 SMP allmodconfig
* ia64 SMP allmodconfig
* s390 SMP allmodconfig
* alpha SMP allmodconfig
* um on x86_64 SMP allmodconfig
8. percpu.h modifications were reverted so that it could be applied as
a separate patch and serve as bisection point.
Given the fact that I had only a couple of failures from tests on step
6, I'm fairly confident about the coverage of this conversion patch.
If there is a breakage, it's likely to be something in one of the arch
headers which should be easily discoverable easily on most builds of
the specific arch.
Signed-off-by: Tejun Heo <tj@kernel.org>
Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
2010-03-24 15:04:11 +07:00
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#include <linux/slab.h>
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2006-10-06 23:32:18 +07:00
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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2010-11-05 20:53:46 +07:00
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#include <sound/soc.h>
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2006-10-06 23:32:18 +07:00
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#include <sound/initval.h>
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2010-11-04 11:07:02 +07:00
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#include <trace/events/asoc.h>
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2011-09-21 03:43:24 +07:00
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#define DAPM_UPDATE_STAT(widget, val) widget->dapm->card->dapm_stats.val++;
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2006-10-06 23:32:18 +07:00
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/* dapm power sequences - make this per codec in the future */
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static int dapm_up_seq[] = {
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2009-06-07 01:03:23 +07:00
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[snd_soc_dapm_pre] = 0,
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[snd_soc_dapm_supply] = 1,
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2012-01-22 04:14:48 +07:00
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[snd_soc_dapm_regulator_supply] = 1,
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2012-05-24 20:26:25 +07:00
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[snd_soc_dapm_clock_supply] = 1,
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2009-06-07 01:03:23 +07:00
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[snd_soc_dapm_micbias] = 2,
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2012-04-05 04:12:09 +07:00
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[snd_soc_dapm_dai_link] = 2,
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2012-02-17 10:37:51 +07:00
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[snd_soc_dapm_dai] = 3,
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2009-08-17 23:39:22 +07:00
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[snd_soc_dapm_aif_in] = 3,
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[snd_soc_dapm_aif_out] = 3,
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[snd_soc_dapm_mic] = 4,
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[snd_soc_dapm_mux] = 5,
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2010-12-16 22:53:39 +07:00
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[snd_soc_dapm_virt_mux] = 5,
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2009-08-17 23:39:22 +07:00
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[snd_soc_dapm_value_mux] = 5,
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[snd_soc_dapm_dac] = 6,
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[snd_soc_dapm_mixer] = 7,
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[snd_soc_dapm_mixer_named_ctl] = 7,
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[snd_soc_dapm_pga] = 8,
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[snd_soc_dapm_adc] = 9,
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2010-12-11 10:11:44 +07:00
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[snd_soc_dapm_out_drv] = 10,
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2009-08-17 23:39:22 +07:00
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[snd_soc_dapm_hp] = 10,
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[snd_soc_dapm_spk] = 10,
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2012-04-12 23:29:36 +07:00
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[snd_soc_dapm_line] = 10,
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2009-08-17 23:39:22 +07:00
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[snd_soc_dapm_post] = 11,
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2006-10-06 23:32:18 +07:00
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};
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2009-01-07 03:11:51 +07:00
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2006-10-06 23:32:18 +07:00
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static int dapm_down_seq[] = {
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2009-06-07 01:03:23 +07:00
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[snd_soc_dapm_pre] = 0,
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[snd_soc_dapm_adc] = 1,
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[snd_soc_dapm_hp] = 2,
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2009-08-17 22:26:59 +07:00
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[snd_soc_dapm_spk] = 2,
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2012-04-12 23:29:36 +07:00
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[snd_soc_dapm_line] = 2,
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2010-12-11 10:11:44 +07:00
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[snd_soc_dapm_out_drv] = 2,
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2009-06-07 01:03:23 +07:00
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[snd_soc_dapm_pga] = 4,
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[snd_soc_dapm_mixer_named_ctl] = 5,
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2009-06-07 19:08:45 +07:00
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[snd_soc_dapm_mixer] = 5,
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[snd_soc_dapm_dac] = 6,
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[snd_soc_dapm_mic] = 7,
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[snd_soc_dapm_micbias] = 8,
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[snd_soc_dapm_mux] = 9,
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2010-12-16 22:53:39 +07:00
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[snd_soc_dapm_virt_mux] = 9,
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2009-06-07 19:08:45 +07:00
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[snd_soc_dapm_value_mux] = 9,
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2009-08-17 23:39:22 +07:00
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[snd_soc_dapm_aif_in] = 10,
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[snd_soc_dapm_aif_out] = 10,
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2012-02-17 10:37:51 +07:00
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[snd_soc_dapm_dai] = 10,
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2012-04-05 04:12:09 +07:00
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[snd_soc_dapm_dai_link] = 11,
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2012-05-24 20:26:25 +07:00
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[snd_soc_dapm_clock_supply] = 12,
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2012-04-05 04:12:09 +07:00
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[snd_soc_dapm_regulator_supply] = 12,
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[snd_soc_dapm_supply] = 12,
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[snd_soc_dapm_post] = 13,
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2006-10-06 23:32:18 +07:00
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};
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2008-10-14 07:42:14 +07:00
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static void pop_wait(u32 pop_time)
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2008-07-02 17:51:20 +07:00
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{
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if (pop_time)
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schedule_timeout_uninterruptible(msecs_to_jiffies(pop_time));
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}
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2010-11-09 19:40:28 +07:00
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static void pop_dbg(struct device *dev, u32 pop_time, const char *fmt, ...)
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2008-07-02 17:51:20 +07:00
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{
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va_list args;
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2010-11-09 19:40:28 +07:00
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char *buf;
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2008-07-02 17:51:20 +07:00
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2010-11-09 19:40:28 +07:00
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if (!pop_time)
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return;
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2008-07-02 17:51:20 +07:00
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2010-11-09 19:40:28 +07:00
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buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
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if (buf == NULL)
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return;
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2008-07-02 17:51:20 +07:00
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2010-11-09 19:40:28 +07:00
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va_start(args, fmt);
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vsnprintf(buf, PAGE_SIZE, fmt, args);
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2010-12-22 20:08:40 +07:00
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dev_info(dev, "%s", buf);
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2008-07-02 17:51:20 +07:00
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va_end(args);
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2010-11-09 19:40:28 +07:00
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kfree(buf);
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2008-07-02 17:51:20 +07:00
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}
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2011-10-04 03:06:40 +07:00
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static bool dapm_dirty_widget(struct snd_soc_dapm_widget *w)
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{
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return !list_empty(&w->dirty);
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}
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2011-10-08 19:36:03 +07:00
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void dapm_mark_dirty(struct snd_soc_dapm_widget *w, const char *reason)
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2011-10-04 03:06:40 +07:00
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{
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2011-10-05 04:28:08 +07:00
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if (!dapm_dirty_widget(w)) {
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dev_vdbg(w->dapm->dev, "Marking %s dirty due to %s\n",
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w->name, reason);
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2011-10-04 03:06:40 +07:00
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list_add_tail(&w->dirty, &w->dapm->card->dapm_dirty);
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2011-10-05 04:28:08 +07:00
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}
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2011-10-04 03:06:40 +07:00
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}
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2011-10-08 19:36:03 +07:00
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EXPORT_SYMBOL_GPL(dapm_mark_dirty);
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2011-10-04 03:06:40 +07:00
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2012-09-01 07:38:32 +07:00
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void dapm_mark_io_dirty(struct snd_soc_dapm_context *dapm)
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{
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struct snd_soc_card *card = dapm->card;
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struct snd_soc_dapm_widget *w;
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mutex_lock(&card->dapm_mutex);
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list_for_each_entry(w, &card->widgets, list) {
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switch (w->id) {
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case snd_soc_dapm_input:
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case snd_soc_dapm_output:
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dapm_mark_dirty(w, "Rechecking inputs and outputs");
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break;
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default:
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break;
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}
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}
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mutex_unlock(&card->dapm_mutex);
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}
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EXPORT_SYMBOL_GPL(dapm_mark_io_dirty);
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2006-10-06 23:32:18 +07:00
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/* create a new dapm widget */
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2007-02-05 20:56:20 +07:00
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static inline struct snd_soc_dapm_widget *dapm_cnew_widget(
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2006-10-06 23:32:18 +07:00
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const struct snd_soc_dapm_widget *_widget)
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{
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2007-02-05 20:56:20 +07:00
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return kmemdup(_widget, sizeof(*_widget), GFP_KERNEL);
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2006-10-06 23:32:18 +07:00
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}
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2011-07-20 18:23:33 +07:00
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/* get snd_card from DAPM context */
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static inline struct snd_card *dapm_get_snd_card(
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struct snd_soc_dapm_context *dapm)
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{
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if (dapm->codec)
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return dapm->codec->card->snd_card;
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else if (dapm->platform)
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return dapm->platform->card->snd_card;
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else
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BUG();
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/* unreachable */
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return NULL;
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}
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/* get soc_card from DAPM context */
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static inline struct snd_soc_card *dapm_get_soc_card(
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struct snd_soc_dapm_context *dapm)
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{
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if (dapm->codec)
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return dapm->codec->card;
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else if (dapm->platform)
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return dapm->platform->card;
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else
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BUG();
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/* unreachable */
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return NULL;
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}
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2012-02-15 22:15:34 +07:00
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static void dapm_reset(struct snd_soc_card *card)
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{
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struct snd_soc_dapm_widget *w;
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memset(&card->dapm_stats, 0, sizeof(card->dapm_stats));
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list_for_each_entry(w, &card->widgets, list) {
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w->power_checked = false;
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w->inputs = -1;
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w->outputs = -1;
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}
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}
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2011-06-14 01:37:36 +07:00
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static int soc_widget_read(struct snd_soc_dapm_widget *w, int reg)
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{
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if (w->codec)
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return snd_soc_read(w->codec, reg);
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2011-07-05 04:10:52 +07:00
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else if (w->platform)
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return snd_soc_platform_read(w->platform, reg);
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2012-11-19 21:39:12 +07:00
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dev_err(w->dapm->dev, "ASoC: no valid widget read method\n");
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2011-07-05 04:10:52 +07:00
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return -1;
|
2011-06-14 01:37:36 +07:00
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}
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static int soc_widget_write(struct snd_soc_dapm_widget *w, int reg, int val)
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{
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if (w->codec)
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return snd_soc_write(w->codec, reg, val);
|
2011-07-05 04:10:52 +07:00
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else if (w->platform)
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return snd_soc_platform_write(w->platform, reg, val);
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2012-11-19 21:39:12 +07:00
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dev_err(w->dapm->dev, "ASoC: no valid widget write method\n");
|
2011-07-05 04:10:52 +07:00
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return -1;
|
2011-06-14 01:37:36 +07:00
|
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}
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|
2012-03-07 01:16:19 +07:00
|
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|
static inline void soc_widget_lock(struct snd_soc_dapm_widget *w)
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{
|
2012-03-07 06:58:22 +07:00
|
|
|
if (w->codec && !w->codec->using_regmap)
|
2012-03-07 01:16:19 +07:00
|
|
|
mutex_lock(&w->codec->mutex);
|
|
|
|
else if (w->platform)
|
|
|
|
mutex_lock(&w->platform->mutex);
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline void soc_widget_unlock(struct snd_soc_dapm_widget *w)
|
|
|
|
{
|
2012-03-07 06:58:22 +07:00
|
|
|
if (w->codec && !w->codec->using_regmap)
|
2012-03-07 01:16:19 +07:00
|
|
|
mutex_unlock(&w->codec->mutex);
|
|
|
|
else if (w->platform)
|
|
|
|
mutex_unlock(&w->platform->mutex);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int soc_widget_update_bits_locked(struct snd_soc_dapm_widget *w,
|
2011-06-14 01:37:36 +07:00
|
|
|
unsigned short reg, unsigned int mask, unsigned int value)
|
|
|
|
{
|
2011-12-03 19:33:55 +07:00
|
|
|
bool change;
|
2011-06-14 01:37:36 +07:00
|
|
|
unsigned int old, new;
|
|
|
|
int ret;
|
|
|
|
|
2011-12-03 19:33:55 +07:00
|
|
|
if (w->codec && w->codec->using_regmap) {
|
|
|
|
ret = regmap_update_bits_check(w->codec->control_data,
|
|
|
|
reg, mask, value, &change);
|
|
|
|
if (ret != 0)
|
|
|
|
return ret;
|
|
|
|
} else {
|
2012-03-07 01:16:19 +07:00
|
|
|
soc_widget_lock(w);
|
2011-12-03 19:33:55 +07:00
|
|
|
ret = soc_widget_read(w, reg);
|
2012-03-07 01:16:19 +07:00
|
|
|
if (ret < 0) {
|
|
|
|
soc_widget_unlock(w);
|
2011-06-14 01:37:36 +07:00
|
|
|
return ret;
|
2012-03-07 01:16:19 +07:00
|
|
|
}
|
2011-12-03 19:33:55 +07:00
|
|
|
|
|
|
|
old = ret;
|
|
|
|
new = (old & ~mask) | (value & mask);
|
|
|
|
change = old != new;
|
|
|
|
if (change) {
|
|
|
|
ret = soc_widget_write(w, reg, new);
|
2012-03-07 01:16:19 +07:00
|
|
|
if (ret < 0) {
|
|
|
|
soc_widget_unlock(w);
|
2011-12-03 19:33:55 +07:00
|
|
|
return ret;
|
2012-03-07 01:16:19 +07:00
|
|
|
}
|
2011-12-03 19:33:55 +07:00
|
|
|
}
|
2012-03-07 01:16:19 +07:00
|
|
|
soc_widget_unlock(w);
|
2011-06-14 01:37:36 +07:00
|
|
|
}
|
|
|
|
|
|
|
|
return change;
|
|
|
|
}
|
|
|
|
|
2009-05-18 03:41:23 +07:00
|
|
|
/**
|
|
|
|
* snd_soc_dapm_set_bias_level - set the bias level for the system
|
2011-02-19 02:12:42 +07:00
|
|
|
* @dapm: DAPM context
|
2009-05-18 03:41:23 +07:00
|
|
|
* @level: level to configure
|
|
|
|
*
|
|
|
|
* Configure the bias (power) levels for the SoC audio device.
|
|
|
|
*
|
|
|
|
* Returns 0 for success else error.
|
|
|
|
*/
|
2011-02-19 02:12:42 +07:00
|
|
|
static int snd_soc_dapm_set_bias_level(struct snd_soc_dapm_context *dapm,
|
2010-11-05 20:53:46 +07:00
|
|
|
enum snd_soc_bias_level level)
|
2009-05-18 03:41:23 +07:00
|
|
|
{
|
2011-02-19 02:12:42 +07:00
|
|
|
struct snd_soc_card *card = dapm->card;
|
2009-05-18 03:41:23 +07:00
|
|
|
int ret = 0;
|
|
|
|
|
2010-11-04 11:07:02 +07:00
|
|
|
trace_snd_soc_bias_level_start(card, level);
|
|
|
|
|
2010-03-18 03:15:21 +07:00
|
|
|
if (card && card->set_bias_level)
|
2011-06-07 01:13:23 +07:00
|
|
|
ret = card->set_bias_level(card, dapm, level);
|
2011-06-07 00:15:19 +07:00
|
|
|
if (ret != 0)
|
|
|
|
goto out;
|
|
|
|
|
2011-06-07 01:03:34 +07:00
|
|
|
if (dapm->codec) {
|
|
|
|
if (dapm->codec->driver->set_bias_level)
|
|
|
|
ret = dapm->codec->driver->set_bias_level(dapm->codec,
|
|
|
|
level);
|
2012-08-24 00:10:42 +07:00
|
|
|
else
|
|
|
|
dapm->bias_level = level;
|
2012-08-24 00:20:49 +07:00
|
|
|
} else if (!card || dapm != &card->dapm) {
|
2012-07-06 22:56:16 +07:00
|
|
|
dapm->bias_level = level;
|
2012-08-24 00:20:49 +07:00
|
|
|
}
|
2012-07-06 22:56:16 +07:00
|
|
|
|
2011-06-07 00:15:19 +07:00
|
|
|
if (ret != 0)
|
|
|
|
goto out;
|
|
|
|
|
|
|
|
if (card && card->set_bias_level_post)
|
2011-06-07 01:13:23 +07:00
|
|
|
ret = card->set_bias_level_post(card, dapm, level);
|
2011-06-07 00:15:19 +07:00
|
|
|
out:
|
2010-11-04 11:07:02 +07:00
|
|
|
trace_snd_soc_bias_level_done(card, level);
|
|
|
|
|
2009-05-18 03:41:23 +07:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2006-10-06 23:32:18 +07:00
|
|
|
/* set up initial codec paths */
|
|
|
|
static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
|
|
|
|
struct snd_soc_dapm_path *p, int i)
|
|
|
|
{
|
|
|
|
switch (w->id) {
|
|
|
|
case snd_soc_dapm_switch:
|
2009-01-07 03:11:51 +07:00
|
|
|
case snd_soc_dapm_mixer:
|
|
|
|
case snd_soc_dapm_mixer_named_ctl: {
|
2006-10-06 23:32:18 +07:00
|
|
|
int val;
|
2008-07-29 17:42:26 +07:00
|
|
|
struct soc_mixer_control *mc = (struct soc_mixer_control *)
|
2011-04-29 06:37:58 +07:00
|
|
|
w->kcontrol_news[i].private_value;
|
2008-07-29 21:22:24 +07:00
|
|
|
unsigned int reg = mc->reg;
|
|
|
|
unsigned int shift = mc->shift;
|
2008-07-29 17:42:26 +07:00
|
|
|
int max = mc->max;
|
2008-07-29 21:22:24 +07:00
|
|
|
unsigned int mask = (1 << fls(max)) - 1;
|
|
|
|
unsigned int invert = mc->invert;
|
2006-10-06 23:32:18 +07:00
|
|
|
|
2011-06-14 01:37:36 +07:00
|
|
|
val = soc_widget_read(w, reg);
|
2006-10-06 23:32:18 +07:00
|
|
|
val = (val >> shift) & mask;
|
2012-07-02 18:45:21 +07:00
|
|
|
if (invert)
|
|
|
|
val = max - val;
|
2006-10-06 23:32:18 +07:00
|
|
|
|
2012-07-02 18:45:21 +07:00
|
|
|
p->connect = !!val;
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
|
|
|
break;
|
|
|
|
case snd_soc_dapm_mux: {
|
2011-04-29 06:37:58 +07:00
|
|
|
struct soc_enum *e = (struct soc_enum *)
|
|
|
|
w->kcontrol_news[i].private_value;
|
2012-09-14 18:57:27 +07:00
|
|
|
int val, item;
|
2006-10-06 23:32:18 +07:00
|
|
|
|
2011-06-14 01:37:36 +07:00
|
|
|
val = soc_widget_read(w, e->reg);
|
2012-09-14 18:57:27 +07:00
|
|
|
item = (val >> e->shift_l) & e->mask;
|
2006-10-06 23:32:18 +07:00
|
|
|
|
|
|
|
p->connect = 0;
|
2008-07-29 17:42:27 +07:00
|
|
|
for (i = 0; i < e->max; i++) {
|
2006-10-06 23:32:18 +07:00
|
|
|
if (!(strcmp(p->name, e->texts[i])) && item == i)
|
|
|
|
p->connect = 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
2010-12-16 22:53:39 +07:00
|
|
|
case snd_soc_dapm_virt_mux: {
|
2011-04-29 06:37:58 +07:00
|
|
|
struct soc_enum *e = (struct soc_enum *)
|
|
|
|
w->kcontrol_news[i].private_value;
|
2010-12-16 22:53:39 +07:00
|
|
|
|
|
|
|
p->connect = 0;
|
|
|
|
/* since a virtual mux has no backing registers to
|
|
|
|
* decide which path to connect, it will try to match
|
|
|
|
* with the first enumeration. This is to ensure
|
|
|
|
* that the default mux choice (the first) will be
|
|
|
|
* correctly powered up during initialization.
|
|
|
|
*/
|
|
|
|
if (!strcmp(p->name, e->texts[0]))
|
|
|
|
p->connect = 1;
|
|
|
|
}
|
|
|
|
break;
|
2009-01-05 14:54:57 +07:00
|
|
|
case snd_soc_dapm_value_mux: {
|
2009-01-08 18:34:29 +07:00
|
|
|
struct soc_enum *e = (struct soc_enum *)
|
2011-04-29 06:37:58 +07:00
|
|
|
w->kcontrol_news[i].private_value;
|
2009-01-05 14:54:57 +07:00
|
|
|
int val, item;
|
|
|
|
|
2011-06-14 01:37:36 +07:00
|
|
|
val = soc_widget_read(w, e->reg);
|
2009-01-05 14:54:57 +07:00
|
|
|
val = (val >> e->shift_l) & e->mask;
|
|
|
|
for (item = 0; item < e->max; item++) {
|
|
|
|
if (val == e->values[item])
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
p->connect = 0;
|
|
|
|
for (i = 0; i < e->max; i++) {
|
|
|
|
if (!(strcmp(p->name, e->texts[i])) && item == i)
|
|
|
|
p->connect = 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
2011-10-04 04:41:09 +07:00
|
|
|
/* does not affect routing - always connected */
|
2006-10-06 23:32:18 +07:00
|
|
|
case snd_soc_dapm_pga:
|
2010-12-11 10:11:44 +07:00
|
|
|
case snd_soc_dapm_out_drv:
|
2006-10-06 23:32:18 +07:00
|
|
|
case snd_soc_dapm_output:
|
|
|
|
case snd_soc_dapm_adc:
|
|
|
|
case snd_soc_dapm_input:
|
2011-11-27 23:21:51 +07:00
|
|
|
case snd_soc_dapm_siggen:
|
2006-10-06 23:32:18 +07:00
|
|
|
case snd_soc_dapm_dac:
|
|
|
|
case snd_soc_dapm_micbias:
|
|
|
|
case snd_soc_dapm_vmid:
|
2009-04-23 00:24:55 +07:00
|
|
|
case snd_soc_dapm_supply:
|
2012-01-22 04:14:48 +07:00
|
|
|
case snd_soc_dapm_regulator_supply:
|
2012-05-24 20:26:25 +07:00
|
|
|
case snd_soc_dapm_clock_supply:
|
2009-08-17 23:39:22 +07:00
|
|
|
case snd_soc_dapm_aif_in:
|
|
|
|
case snd_soc_dapm_aif_out:
|
2012-02-17 10:37:51 +07:00
|
|
|
case snd_soc_dapm_dai:
|
2006-10-06 23:32:18 +07:00
|
|
|
case snd_soc_dapm_hp:
|
|
|
|
case snd_soc_dapm_mic:
|
|
|
|
case snd_soc_dapm_spk:
|
|
|
|
case snd_soc_dapm_line:
|
2012-04-05 04:12:09 +07:00
|
|
|
case snd_soc_dapm_dai_link:
|
2011-10-04 04:41:09 +07:00
|
|
|
p->connect = 1;
|
|
|
|
break;
|
|
|
|
/* does affect routing - dynamically connected */
|
2006-10-06 23:32:18 +07:00
|
|
|
case snd_soc_dapm_pre:
|
|
|
|
case snd_soc_dapm_post:
|
|
|
|
p->connect = 0;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2009-06-06 17:26:15 +07:00
|
|
|
/* connect mux widget to its interconnecting audio paths */
|
2010-11-05 20:53:46 +07:00
|
|
|
static int dapm_connect_mux(struct snd_soc_dapm_context *dapm,
|
2006-10-06 23:32:18 +07:00
|
|
|
struct snd_soc_dapm_widget *src, struct snd_soc_dapm_widget *dest,
|
|
|
|
struct snd_soc_dapm_path *path, const char *control_name,
|
|
|
|
const struct snd_kcontrol_new *kcontrol)
|
|
|
|
{
|
|
|
|
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
|
|
|
|
int i;
|
|
|
|
|
2008-07-29 17:42:27 +07:00
|
|
|
for (i = 0; i < e->max; i++) {
|
2006-10-06 23:32:18 +07:00
|
|
|
if (!(strcmp(control_name, e->texts[i]))) {
|
2010-12-14 17:18:30 +07:00
|
|
|
list_add(&path->list, &dapm->card->paths);
|
2006-10-06 23:32:18 +07:00
|
|
|
list_add(&path->list_sink, &dest->sources);
|
|
|
|
list_add(&path->list_source, &src->sinks);
|
|
|
|
path->name = (char*)e->texts[i];
|
|
|
|
dapm_set_path_status(dest, path, 0);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
|
2009-06-06 17:26:15 +07:00
|
|
|
/* connect mixer widget to its interconnecting audio paths */
|
2010-11-05 20:53:46 +07:00
|
|
|
static int dapm_connect_mixer(struct snd_soc_dapm_context *dapm,
|
2006-10-06 23:32:18 +07:00
|
|
|
struct snd_soc_dapm_widget *src, struct snd_soc_dapm_widget *dest,
|
|
|
|
struct snd_soc_dapm_path *path, const char *control_name)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
/* search for mixer kcontrol */
|
|
|
|
for (i = 0; i < dest->num_kcontrols; i++) {
|
2011-04-29 06:37:58 +07:00
|
|
|
if (!strcmp(control_name, dest->kcontrol_news[i].name)) {
|
2010-12-14 17:18:30 +07:00
|
|
|
list_add(&path->list, &dapm->card->paths);
|
2006-10-06 23:32:18 +07:00
|
|
|
list_add(&path->list_sink, &dest->sources);
|
|
|
|
list_add(&path->list_source, &src->sinks);
|
2011-04-29 06:37:58 +07:00
|
|
|
path->name = dest->kcontrol_news[i].name;
|
2006-10-06 23:32:18 +07:00
|
|
|
dapm_set_path_status(dest, path, i);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
|
ASoC: Implement mux control sharing
Control sharing is enabled when two widgets include pointers to the
same kcontrol_new in their definition. Specifically:
static const struct snd_kcontrol_new adcinput_mux =
SOC_DAPM_ENUM("ADC Input", adcinput_enum);
static const struct snd_soc_dapm_widget wm8903_dapm_widgets[] = {
SND_SOC_DAPM_MUX("Left ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
SND_SOC_DAPM_MUX("Right ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
};
This is useful when a single register bit or field affects multiple
muxes at once. The common case is to have separate control bits or
fields for each mux (channel). An alternative way of looking at this
is that the mux is a stereo (or even n-channel) mux, rather than
independant mono muxes.
Without this change, a separate kcontrol will be created for each
DAPM_MUX. This has the following disadvantages:
* Confuses the user/programmer with redundant controls that don't
map to separate hardware.
* When one of the controls is changed, ASoC fails to update the DAPM
logic for paths solely affected by the other controls impacted by
the same register bits. This causes some paths not to be correctly
powered up or down. Prior to this change, to work around this, the
user or programmer had to manually toggle all duplicate controls away
from the intended setting, and then back to it.
Control sharing implies that the control is named based on the
kcontrol_new itself, not any of the widgets that are affected by it.
Control sharing is implemented by: When creating kcontrols, if a
kcontrol does not yet exist for a particular kcontrol_new, then a new
kcontrol is created with a list of widgets containing just a single
entry. This is the normal case. However, if a kcontrol does already
exists for the given kcontrol_new, the current widget is simply added
to that kcontrol's list of affected widgets.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-04-29 06:38:01 +07:00
|
|
|
static int dapm_is_shared_kcontrol(struct snd_soc_dapm_context *dapm,
|
ASoC: Fix dapm_is_shared_kcontrol so everything isn't shared
Commit af46800 ("ASoC: Implement mux control sharing") introduced
function dapm_is_shared_kcontrol.
When this function returns true, the naming of DAPM controls is derived
from the kcontrol_new. Otherwise, the name comes from the widget (and
possibly a widget's naming prefix).
A bug in the implementation of dapm_is_shared_kcontrol made it return 1
in all cases. Hence, that commit caused a change in control naming for
all controls instead of just shared controls.
Specifically, a control is always considered shared because it is always
compared against itself. Solve this by never comparing against the widget
containing the control being created.
Equally, controls should never be shared between DAPM contexts; when the
same codec is instantiated multiple times, the same kcontrol_new will be
used. However, the control should no be shared between the multiple
instances.
I tested that with the Tegra WM8903 driver:
* Shared is now mostly 0 as expected, and sometimes 1.
* The expected controls are still generated after this change.
However, I don't have any systems that have a widget/control naming
prefix, so I can't test that aspect.
Thanks for Jarkko Nikula for pointing out how to fix this.
Reported-by: Liam Girdwood <lrg@ti.com>
Tested-by: Jarkko Nikula <jhnikula@gmail.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-05-26 22:57:33 +07:00
|
|
|
struct snd_soc_dapm_widget *kcontrolw,
|
ASoC: Implement mux control sharing
Control sharing is enabled when two widgets include pointers to the
same kcontrol_new in their definition. Specifically:
static const struct snd_kcontrol_new adcinput_mux =
SOC_DAPM_ENUM("ADC Input", adcinput_enum);
static const struct snd_soc_dapm_widget wm8903_dapm_widgets[] = {
SND_SOC_DAPM_MUX("Left ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
SND_SOC_DAPM_MUX("Right ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
};
This is useful when a single register bit or field affects multiple
muxes at once. The common case is to have separate control bits or
fields for each mux (channel). An alternative way of looking at this
is that the mux is a stereo (or even n-channel) mux, rather than
independant mono muxes.
Without this change, a separate kcontrol will be created for each
DAPM_MUX. This has the following disadvantages:
* Confuses the user/programmer with redundant controls that don't
map to separate hardware.
* When one of the controls is changed, ASoC fails to update the DAPM
logic for paths solely affected by the other controls impacted by
the same register bits. This causes some paths not to be correctly
powered up or down. Prior to this change, to work around this, the
user or programmer had to manually toggle all duplicate controls away
from the intended setting, and then back to it.
Control sharing implies that the control is named based on the
kcontrol_new itself, not any of the widgets that are affected by it.
Control sharing is implemented by: When creating kcontrols, if a
kcontrol does not yet exist for a particular kcontrol_new, then a new
kcontrol is created with a list of widgets containing just a single
entry. This is the normal case. However, if a kcontrol does already
exists for the given kcontrol_new, the current widget is simply added
to that kcontrol's list of affected widgets.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-04-29 06:38:01 +07:00
|
|
|
const struct snd_kcontrol_new *kcontrol_new,
|
|
|
|
struct snd_kcontrol **kcontrol)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *w;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
*kcontrol = NULL;
|
|
|
|
|
|
|
|
list_for_each_entry(w, &dapm->card->widgets, list) {
|
ASoC: Fix dapm_is_shared_kcontrol so everything isn't shared
Commit af46800 ("ASoC: Implement mux control sharing") introduced
function dapm_is_shared_kcontrol.
When this function returns true, the naming of DAPM controls is derived
from the kcontrol_new. Otherwise, the name comes from the widget (and
possibly a widget's naming prefix).
A bug in the implementation of dapm_is_shared_kcontrol made it return 1
in all cases. Hence, that commit caused a change in control naming for
all controls instead of just shared controls.
Specifically, a control is always considered shared because it is always
compared against itself. Solve this by never comparing against the widget
containing the control being created.
Equally, controls should never be shared between DAPM contexts; when the
same codec is instantiated multiple times, the same kcontrol_new will be
used. However, the control should no be shared between the multiple
instances.
I tested that with the Tegra WM8903 driver:
* Shared is now mostly 0 as expected, and sometimes 1.
* The expected controls are still generated after this change.
However, I don't have any systems that have a widget/control naming
prefix, so I can't test that aspect.
Thanks for Jarkko Nikula for pointing out how to fix this.
Reported-by: Liam Girdwood <lrg@ti.com>
Tested-by: Jarkko Nikula <jhnikula@gmail.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-05-26 22:57:33 +07:00
|
|
|
if (w == kcontrolw || w->dapm != kcontrolw->dapm)
|
|
|
|
continue;
|
ASoC: Implement mux control sharing
Control sharing is enabled when two widgets include pointers to the
same kcontrol_new in their definition. Specifically:
static const struct snd_kcontrol_new adcinput_mux =
SOC_DAPM_ENUM("ADC Input", adcinput_enum);
static const struct snd_soc_dapm_widget wm8903_dapm_widgets[] = {
SND_SOC_DAPM_MUX("Left ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
SND_SOC_DAPM_MUX("Right ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
};
This is useful when a single register bit or field affects multiple
muxes at once. The common case is to have separate control bits or
fields for each mux (channel). An alternative way of looking at this
is that the mux is a stereo (or even n-channel) mux, rather than
independant mono muxes.
Without this change, a separate kcontrol will be created for each
DAPM_MUX. This has the following disadvantages:
* Confuses the user/programmer with redundant controls that don't
map to separate hardware.
* When one of the controls is changed, ASoC fails to update the DAPM
logic for paths solely affected by the other controls impacted by
the same register bits. This causes some paths not to be correctly
powered up or down. Prior to this change, to work around this, the
user or programmer had to manually toggle all duplicate controls away
from the intended setting, and then back to it.
Control sharing implies that the control is named based on the
kcontrol_new itself, not any of the widgets that are affected by it.
Control sharing is implemented by: When creating kcontrols, if a
kcontrol does not yet exist for a particular kcontrol_new, then a new
kcontrol is created with a list of widgets containing just a single
entry. This is the normal case. However, if a kcontrol does already
exists for the given kcontrol_new, the current widget is simply added
to that kcontrol's list of affected widgets.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-04-29 06:38:01 +07:00
|
|
|
for (i = 0; i < w->num_kcontrols; i++) {
|
|
|
|
if (&w->kcontrol_news[i] == kcontrol_new) {
|
|
|
|
if (w->kcontrols)
|
|
|
|
*kcontrol = w->kcontrols[i];
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2006-10-06 23:32:18 +07:00
|
|
|
/* create new dapm mixer control */
|
2011-06-09 18:22:36 +07:00
|
|
|
static int dapm_new_mixer(struct snd_soc_dapm_widget *w)
|
2006-10-06 23:32:18 +07:00
|
|
|
{
|
2011-06-09 18:22:36 +07:00
|
|
|
struct snd_soc_dapm_context *dapm = w->dapm;
|
2006-10-06 23:32:18 +07:00
|
|
|
int i, ret = 0;
|
2011-03-09 18:33:09 +07:00
|
|
|
size_t name_len, prefix_len;
|
2006-10-06 23:32:18 +07:00
|
|
|
struct snd_soc_dapm_path *path;
|
2011-03-03 01:17:32 +07:00
|
|
|
struct snd_card *card = dapm->card->snd_card;
|
2011-03-09 00:23:24 +07:00
|
|
|
const char *prefix;
|
2011-04-29 06:38:00 +07:00
|
|
|
struct snd_soc_dapm_widget_list *wlist;
|
|
|
|
size_t wlistsize;
|
2011-03-09 00:23:24 +07:00
|
|
|
|
|
|
|
if (dapm->codec)
|
|
|
|
prefix = dapm->codec->name_prefix;
|
|
|
|
else
|
|
|
|
prefix = NULL;
|
2006-10-06 23:32:18 +07:00
|
|
|
|
2011-03-09 18:33:09 +07:00
|
|
|
if (prefix)
|
|
|
|
prefix_len = strlen(prefix) + 1;
|
|
|
|
else
|
|
|
|
prefix_len = 0;
|
|
|
|
|
2006-10-06 23:32:18 +07:00
|
|
|
/* add kcontrol */
|
|
|
|
for (i = 0; i < w->num_kcontrols; i++) {
|
|
|
|
|
|
|
|
/* match name */
|
|
|
|
list_for_each_entry(path, &w->sources, list_sink) {
|
|
|
|
|
|
|
|
/* mixer/mux paths name must match control name */
|
2011-04-29 06:37:58 +07:00
|
|
|
if (path->name != (char *)w->kcontrol_news[i].name)
|
2006-10-06 23:32:18 +07:00
|
|
|
continue;
|
|
|
|
|
2011-08-16 01:15:21 +07:00
|
|
|
if (w->kcontrols[i]) {
|
|
|
|
path->kcontrol = w->kcontrols[i];
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
2011-04-29 06:38:00 +07:00
|
|
|
wlistsize = sizeof(struct snd_soc_dapm_widget_list) +
|
|
|
|
sizeof(struct snd_soc_dapm_widget *),
|
|
|
|
wlist = kzalloc(wlistsize, GFP_KERNEL);
|
|
|
|
if (wlist == NULL) {
|
|
|
|
dev_err(dapm->dev,
|
2012-11-19 21:39:12 +07:00
|
|
|
"ASoC: can't allocate widget list for %s\n",
|
2011-04-29 06:38:00 +07:00
|
|
|
w->name);
|
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
wlist->num_widgets = 1;
|
|
|
|
wlist->widgets[0] = w;
|
|
|
|
|
2009-01-07 03:11:51 +07:00
|
|
|
/* add dapm control with long name.
|
|
|
|
* for dapm_mixer this is the concatenation of the
|
|
|
|
* mixer and kcontrol name.
|
|
|
|
* for dapm_mixer_named_ctl this is simply the
|
|
|
|
* kcontrol name.
|
|
|
|
*/
|
2011-04-29 06:37:58 +07:00
|
|
|
name_len = strlen(w->kcontrol_news[i].name) + 1;
|
2009-03-06 00:06:23 +07:00
|
|
|
if (w->id != snd_soc_dapm_mixer_named_ctl)
|
2009-01-07 03:11:51 +07:00
|
|
|
name_len += 1 + strlen(w->name);
|
|
|
|
|
2008-10-28 20:02:31 +07:00
|
|
|
path->long_name = kmalloc(name_len, GFP_KERNEL);
|
2009-01-07 03:11:51 +07:00
|
|
|
|
2011-04-29 06:38:00 +07:00
|
|
|
if (path->long_name == NULL) {
|
|
|
|
kfree(wlist);
|
2006-10-06 23:32:18 +07:00
|
|
|
return -ENOMEM;
|
2011-04-29 06:38:00 +07:00
|
|
|
}
|
2006-10-06 23:32:18 +07:00
|
|
|
|
2009-01-07 03:11:51 +07:00
|
|
|
switch (w->id) {
|
|
|
|
default:
|
2011-03-09 18:33:09 +07:00
|
|
|
/* The control will get a prefix from
|
|
|
|
* the control creation process but
|
|
|
|
* we're also using the same prefix
|
|
|
|
* for widgets so cut the prefix off
|
|
|
|
* the front of the widget name.
|
|
|
|
*/
|
2012-02-17 10:37:51 +07:00
|
|
|
snprintf((char *)path->long_name, name_len,
|
|
|
|
"%s %s", w->name + prefix_len,
|
2011-04-29 06:37:58 +07:00
|
|
|
w->kcontrol_news[i].name);
|
2009-03-06 00:06:23 +07:00
|
|
|
break;
|
2009-01-07 03:11:51 +07:00
|
|
|
case snd_soc_dapm_mixer_named_ctl:
|
2012-02-17 10:37:51 +07:00
|
|
|
snprintf((char *)path->long_name, name_len,
|
|
|
|
"%s", w->kcontrol_news[i].name);
|
2009-03-06 00:06:23 +07:00
|
|
|
break;
|
2009-01-07 03:11:51 +07:00
|
|
|
}
|
|
|
|
|
2012-02-17 10:37:51 +07:00
|
|
|
((char *)path->long_name)[name_len - 1] = '\0';
|
2008-10-28 20:02:31 +07:00
|
|
|
|
2011-04-29 06:38:00 +07:00
|
|
|
path->kcontrol = snd_soc_cnew(&w->kcontrol_news[i],
|
|
|
|
wlist, path->long_name,
|
|
|
|
prefix);
|
2010-11-05 20:53:46 +07:00
|
|
|
ret = snd_ctl_add(card, path->kcontrol);
|
2006-10-06 23:32:18 +07:00
|
|
|
if (ret < 0) {
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_err(dapm->dev, "ASoC: failed to add widget"
|
|
|
|
" %s dapm kcontrol %s: %d\n",
|
|
|
|
w->name, path->long_name, ret);
|
2011-04-29 06:38:00 +07:00
|
|
|
kfree(wlist);
|
2006-10-06 23:32:18 +07:00
|
|
|
kfree(path->long_name);
|
|
|
|
path->long_name = NULL;
|
|
|
|
return ret;
|
|
|
|
}
|
2011-04-29 06:37:59 +07:00
|
|
|
w->kcontrols[i] = path->kcontrol;
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
|
|
|
}
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* create new dapm mux control */
|
2011-06-09 18:22:36 +07:00
|
|
|
static int dapm_new_mux(struct snd_soc_dapm_widget *w)
|
2006-10-06 23:32:18 +07:00
|
|
|
{
|
2011-06-09 18:22:36 +07:00
|
|
|
struct snd_soc_dapm_context *dapm = w->dapm;
|
2006-10-06 23:32:18 +07:00
|
|
|
struct snd_soc_dapm_path *path = NULL;
|
|
|
|
struct snd_kcontrol *kcontrol;
|
2011-03-03 01:17:32 +07:00
|
|
|
struct snd_card *card = dapm->card->snd_card;
|
2011-03-09 00:23:24 +07:00
|
|
|
const char *prefix;
|
2011-03-09 18:33:09 +07:00
|
|
|
size_t prefix_len;
|
ASoC: Implement mux control sharing
Control sharing is enabled when two widgets include pointers to the
same kcontrol_new in their definition. Specifically:
static const struct snd_kcontrol_new adcinput_mux =
SOC_DAPM_ENUM("ADC Input", adcinput_enum);
static const struct snd_soc_dapm_widget wm8903_dapm_widgets[] = {
SND_SOC_DAPM_MUX("Left ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
SND_SOC_DAPM_MUX("Right ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
};
This is useful when a single register bit or field affects multiple
muxes at once. The common case is to have separate control bits or
fields for each mux (channel). An alternative way of looking at this
is that the mux is a stereo (or even n-channel) mux, rather than
independant mono muxes.
Without this change, a separate kcontrol will be created for each
DAPM_MUX. This has the following disadvantages:
* Confuses the user/programmer with redundant controls that don't
map to separate hardware.
* When one of the controls is changed, ASoC fails to update the DAPM
logic for paths solely affected by the other controls impacted by
the same register bits. This causes some paths not to be correctly
powered up or down. Prior to this change, to work around this, the
user or programmer had to manually toggle all duplicate controls away
from the intended setting, and then back to it.
Control sharing implies that the control is named based on the
kcontrol_new itself, not any of the widgets that are affected by it.
Control sharing is implemented by: When creating kcontrols, if a
kcontrol does not yet exist for a particular kcontrol_new, then a new
kcontrol is created with a list of widgets containing just a single
entry. This is the normal case. However, if a kcontrol does already
exists for the given kcontrol_new, the current widget is simply added
to that kcontrol's list of affected widgets.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-04-29 06:38:01 +07:00
|
|
|
int ret;
|
2011-04-29 06:38:00 +07:00
|
|
|
struct snd_soc_dapm_widget_list *wlist;
|
ASoC: Implement mux control sharing
Control sharing is enabled when two widgets include pointers to the
same kcontrol_new in their definition. Specifically:
static const struct snd_kcontrol_new adcinput_mux =
SOC_DAPM_ENUM("ADC Input", adcinput_enum);
static const struct snd_soc_dapm_widget wm8903_dapm_widgets[] = {
SND_SOC_DAPM_MUX("Left ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
SND_SOC_DAPM_MUX("Right ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
};
This is useful when a single register bit or field affects multiple
muxes at once. The common case is to have separate control bits or
fields for each mux (channel). An alternative way of looking at this
is that the mux is a stereo (or even n-channel) mux, rather than
independant mono muxes.
Without this change, a separate kcontrol will be created for each
DAPM_MUX. This has the following disadvantages:
* Confuses the user/programmer with redundant controls that don't
map to separate hardware.
* When one of the controls is changed, ASoC fails to update the DAPM
logic for paths solely affected by the other controls impacted by
the same register bits. This causes some paths not to be correctly
powered up or down. Prior to this change, to work around this, the
user or programmer had to manually toggle all duplicate controls away
from the intended setting, and then back to it.
Control sharing implies that the control is named based on the
kcontrol_new itself, not any of the widgets that are affected by it.
Control sharing is implemented by: When creating kcontrols, if a
kcontrol does not yet exist for a particular kcontrol_new, then a new
kcontrol is created with a list of widgets containing just a single
entry. This is the normal case. However, if a kcontrol does already
exists for the given kcontrol_new, the current widget is simply added
to that kcontrol's list of affected widgets.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-04-29 06:38:01 +07:00
|
|
|
int shared, wlistentries;
|
2011-04-29 06:38:00 +07:00
|
|
|
size_t wlistsize;
|
2012-02-17 10:37:51 +07:00
|
|
|
const char *name;
|
2006-10-06 23:32:18 +07:00
|
|
|
|
ASoC: Implement mux control sharing
Control sharing is enabled when two widgets include pointers to the
same kcontrol_new in their definition. Specifically:
static const struct snd_kcontrol_new adcinput_mux =
SOC_DAPM_ENUM("ADC Input", adcinput_enum);
static const struct snd_soc_dapm_widget wm8903_dapm_widgets[] = {
SND_SOC_DAPM_MUX("Left ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
SND_SOC_DAPM_MUX("Right ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
};
This is useful when a single register bit or field affects multiple
muxes at once. The common case is to have separate control bits or
fields for each mux (channel). An alternative way of looking at this
is that the mux is a stereo (or even n-channel) mux, rather than
independant mono muxes.
Without this change, a separate kcontrol will be created for each
DAPM_MUX. This has the following disadvantages:
* Confuses the user/programmer with redundant controls that don't
map to separate hardware.
* When one of the controls is changed, ASoC fails to update the DAPM
logic for paths solely affected by the other controls impacted by
the same register bits. This causes some paths not to be correctly
powered up or down. Prior to this change, to work around this, the
user or programmer had to manually toggle all duplicate controls away
from the intended setting, and then back to it.
Control sharing implies that the control is named based on the
kcontrol_new itself, not any of the widgets that are affected by it.
Control sharing is implemented by: When creating kcontrols, if a
kcontrol does not yet exist for a particular kcontrol_new, then a new
kcontrol is created with a list of widgets containing just a single
entry. This is the normal case. However, if a kcontrol does already
exists for the given kcontrol_new, the current widget is simply added
to that kcontrol's list of affected widgets.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-04-29 06:38:01 +07:00
|
|
|
if (w->num_kcontrols != 1) {
|
|
|
|
dev_err(dapm->dev,
|
2012-11-19 21:39:12 +07:00
|
|
|
"ASoC: mux %s has incorrect number of controls\n",
|
ASoC: Implement mux control sharing
Control sharing is enabled when two widgets include pointers to the
same kcontrol_new in their definition. Specifically:
static const struct snd_kcontrol_new adcinput_mux =
SOC_DAPM_ENUM("ADC Input", adcinput_enum);
static const struct snd_soc_dapm_widget wm8903_dapm_widgets[] = {
SND_SOC_DAPM_MUX("Left ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
SND_SOC_DAPM_MUX("Right ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
};
This is useful when a single register bit or field affects multiple
muxes at once. The common case is to have separate control bits or
fields for each mux (channel). An alternative way of looking at this
is that the mux is a stereo (or even n-channel) mux, rather than
independant mono muxes.
Without this change, a separate kcontrol will be created for each
DAPM_MUX. This has the following disadvantages:
* Confuses the user/programmer with redundant controls that don't
map to separate hardware.
* When one of the controls is changed, ASoC fails to update the DAPM
logic for paths solely affected by the other controls impacted by
the same register bits. This causes some paths not to be correctly
powered up or down. Prior to this change, to work around this, the
user or programmer had to manually toggle all duplicate controls away
from the intended setting, and then back to it.
Control sharing implies that the control is named based on the
kcontrol_new itself, not any of the widgets that are affected by it.
Control sharing is implemented by: When creating kcontrols, if a
kcontrol does not yet exist for a particular kcontrol_new, then a new
kcontrol is created with a list of widgets containing just a single
entry. This is the normal case. However, if a kcontrol does already
exists for the given kcontrol_new, the current widget is simply added
to that kcontrol's list of affected widgets.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-04-29 06:38:01 +07:00
|
|
|
w->name);
|
2006-10-06 23:32:18 +07:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
ASoC: Fix dapm_is_shared_kcontrol so everything isn't shared
Commit af46800 ("ASoC: Implement mux control sharing") introduced
function dapm_is_shared_kcontrol.
When this function returns true, the naming of DAPM controls is derived
from the kcontrol_new. Otherwise, the name comes from the widget (and
possibly a widget's naming prefix).
A bug in the implementation of dapm_is_shared_kcontrol made it return 1
in all cases. Hence, that commit caused a change in control naming for
all controls instead of just shared controls.
Specifically, a control is always considered shared because it is always
compared against itself. Solve this by never comparing against the widget
containing the control being created.
Equally, controls should never be shared between DAPM contexts; when the
same codec is instantiated multiple times, the same kcontrol_new will be
used. However, the control should no be shared between the multiple
instances.
I tested that with the Tegra WM8903 driver:
* Shared is now mostly 0 as expected, and sometimes 1.
* The expected controls are still generated after this change.
However, I don't have any systems that have a widget/control naming
prefix, so I can't test that aspect.
Thanks for Jarkko Nikula for pointing out how to fix this.
Reported-by: Liam Girdwood <lrg@ti.com>
Tested-by: Jarkko Nikula <jhnikula@gmail.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-05-26 22:57:33 +07:00
|
|
|
shared = dapm_is_shared_kcontrol(dapm, w, &w->kcontrol_news[0],
|
ASoC: Implement mux control sharing
Control sharing is enabled when two widgets include pointers to the
same kcontrol_new in their definition. Specifically:
static const struct snd_kcontrol_new adcinput_mux =
SOC_DAPM_ENUM("ADC Input", adcinput_enum);
static const struct snd_soc_dapm_widget wm8903_dapm_widgets[] = {
SND_SOC_DAPM_MUX("Left ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
SND_SOC_DAPM_MUX("Right ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
};
This is useful when a single register bit or field affects multiple
muxes at once. The common case is to have separate control bits or
fields for each mux (channel). An alternative way of looking at this
is that the mux is a stereo (or even n-channel) mux, rather than
independant mono muxes.
Without this change, a separate kcontrol will be created for each
DAPM_MUX. This has the following disadvantages:
* Confuses the user/programmer with redundant controls that don't
map to separate hardware.
* When one of the controls is changed, ASoC fails to update the DAPM
logic for paths solely affected by the other controls impacted by
the same register bits. This causes some paths not to be correctly
powered up or down. Prior to this change, to work around this, the
user or programmer had to manually toggle all duplicate controls away
from the intended setting, and then back to it.
Control sharing implies that the control is named based on the
kcontrol_new itself, not any of the widgets that are affected by it.
Control sharing is implemented by: When creating kcontrols, if a
kcontrol does not yet exist for a particular kcontrol_new, then a new
kcontrol is created with a list of widgets containing just a single
entry. This is the normal case. However, if a kcontrol does already
exists for the given kcontrol_new, the current widget is simply added
to that kcontrol's list of affected widgets.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-04-29 06:38:01 +07:00
|
|
|
&kcontrol);
|
|
|
|
if (kcontrol) {
|
|
|
|
wlist = kcontrol->private_data;
|
|
|
|
wlistentries = wlist->num_widgets + 1;
|
|
|
|
} else {
|
|
|
|
wlist = NULL;
|
|
|
|
wlistentries = 1;
|
|
|
|
}
|
2011-04-29 06:38:00 +07:00
|
|
|
wlistsize = sizeof(struct snd_soc_dapm_widget_list) +
|
ASoC: Implement mux control sharing
Control sharing is enabled when two widgets include pointers to the
same kcontrol_new in their definition. Specifically:
static const struct snd_kcontrol_new adcinput_mux =
SOC_DAPM_ENUM("ADC Input", adcinput_enum);
static const struct snd_soc_dapm_widget wm8903_dapm_widgets[] = {
SND_SOC_DAPM_MUX("Left ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
SND_SOC_DAPM_MUX("Right ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
};
This is useful when a single register bit or field affects multiple
muxes at once. The common case is to have separate control bits or
fields for each mux (channel). An alternative way of looking at this
is that the mux is a stereo (or even n-channel) mux, rather than
independant mono muxes.
Without this change, a separate kcontrol will be created for each
DAPM_MUX. This has the following disadvantages:
* Confuses the user/programmer with redundant controls that don't
map to separate hardware.
* When one of the controls is changed, ASoC fails to update the DAPM
logic for paths solely affected by the other controls impacted by
the same register bits. This causes some paths not to be correctly
powered up or down. Prior to this change, to work around this, the
user or programmer had to manually toggle all duplicate controls away
from the intended setting, and then back to it.
Control sharing implies that the control is named based on the
kcontrol_new itself, not any of the widgets that are affected by it.
Control sharing is implemented by: When creating kcontrols, if a
kcontrol does not yet exist for a particular kcontrol_new, then a new
kcontrol is created with a list of widgets containing just a single
entry. This is the normal case. However, if a kcontrol does already
exists for the given kcontrol_new, the current widget is simply added
to that kcontrol's list of affected widgets.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-04-29 06:38:01 +07:00
|
|
|
wlistentries * sizeof(struct snd_soc_dapm_widget *),
|
|
|
|
wlist = krealloc(wlist, wlistsize, GFP_KERNEL);
|
2011-04-29 06:38:00 +07:00
|
|
|
if (wlist == NULL) {
|
|
|
|
dev_err(dapm->dev,
|
2012-11-19 21:39:12 +07:00
|
|
|
"ASoC: can't allocate widget list for %s\n", w->name);
|
2011-04-29 06:38:00 +07:00
|
|
|
return -ENOMEM;
|
|
|
|
}
|
ASoC: Implement mux control sharing
Control sharing is enabled when two widgets include pointers to the
same kcontrol_new in their definition. Specifically:
static const struct snd_kcontrol_new adcinput_mux =
SOC_DAPM_ENUM("ADC Input", adcinput_enum);
static const struct snd_soc_dapm_widget wm8903_dapm_widgets[] = {
SND_SOC_DAPM_MUX("Left ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
SND_SOC_DAPM_MUX("Right ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
};
This is useful when a single register bit or field affects multiple
muxes at once. The common case is to have separate control bits or
fields for each mux (channel). An alternative way of looking at this
is that the mux is a stereo (or even n-channel) mux, rather than
independant mono muxes.
Without this change, a separate kcontrol will be created for each
DAPM_MUX. This has the following disadvantages:
* Confuses the user/programmer with redundant controls that don't
map to separate hardware.
* When one of the controls is changed, ASoC fails to update the DAPM
logic for paths solely affected by the other controls impacted by
the same register bits. This causes some paths not to be correctly
powered up or down. Prior to this change, to work around this, the
user or programmer had to manually toggle all duplicate controls away
from the intended setting, and then back to it.
Control sharing implies that the control is named based on the
kcontrol_new itself, not any of the widgets that are affected by it.
Control sharing is implemented by: When creating kcontrols, if a
kcontrol does not yet exist for a particular kcontrol_new, then a new
kcontrol is created with a list of widgets containing just a single
entry. This is the normal case. However, if a kcontrol does already
exists for the given kcontrol_new, the current widget is simply added
to that kcontrol's list of affected widgets.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-04-29 06:38:01 +07:00
|
|
|
wlist->num_widgets = wlistentries;
|
|
|
|
wlist->widgets[wlistentries - 1] = w;
|
2011-03-09 00:23:24 +07:00
|
|
|
|
ASoC: Implement mux control sharing
Control sharing is enabled when two widgets include pointers to the
same kcontrol_new in their definition. Specifically:
static const struct snd_kcontrol_new adcinput_mux =
SOC_DAPM_ENUM("ADC Input", adcinput_enum);
static const struct snd_soc_dapm_widget wm8903_dapm_widgets[] = {
SND_SOC_DAPM_MUX("Left ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
SND_SOC_DAPM_MUX("Right ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
};
This is useful when a single register bit or field affects multiple
muxes at once. The common case is to have separate control bits or
fields for each mux (channel). An alternative way of looking at this
is that the mux is a stereo (or even n-channel) mux, rather than
independant mono muxes.
Without this change, a separate kcontrol will be created for each
DAPM_MUX. This has the following disadvantages:
* Confuses the user/programmer with redundant controls that don't
map to separate hardware.
* When one of the controls is changed, ASoC fails to update the DAPM
logic for paths solely affected by the other controls impacted by
the same register bits. This causes some paths not to be correctly
powered up or down. Prior to this change, to work around this, the
user or programmer had to manually toggle all duplicate controls away
from the intended setting, and then back to it.
Control sharing implies that the control is named based on the
kcontrol_new itself, not any of the widgets that are affected by it.
Control sharing is implemented by: When creating kcontrols, if a
kcontrol does not yet exist for a particular kcontrol_new, then a new
kcontrol is created with a list of widgets containing just a single
entry. This is the normal case. However, if a kcontrol does already
exists for the given kcontrol_new, the current widget is simply added
to that kcontrol's list of affected widgets.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-04-29 06:38:01 +07:00
|
|
|
if (!kcontrol) {
|
|
|
|
if (dapm->codec)
|
|
|
|
prefix = dapm->codec->name_prefix;
|
|
|
|
else
|
|
|
|
prefix = NULL;
|
|
|
|
|
|
|
|
if (shared) {
|
|
|
|
name = w->kcontrol_news[0].name;
|
|
|
|
prefix_len = 0;
|
|
|
|
} else {
|
|
|
|
name = w->name;
|
|
|
|
if (prefix)
|
|
|
|
prefix_len = strlen(prefix) + 1;
|
|
|
|
else
|
|
|
|
prefix_len = 0;
|
|
|
|
}
|
2011-03-09 18:33:09 +07:00
|
|
|
|
ASoC: Implement mux control sharing
Control sharing is enabled when two widgets include pointers to the
same kcontrol_new in their definition. Specifically:
static const struct snd_kcontrol_new adcinput_mux =
SOC_DAPM_ENUM("ADC Input", adcinput_enum);
static const struct snd_soc_dapm_widget wm8903_dapm_widgets[] = {
SND_SOC_DAPM_MUX("Left ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
SND_SOC_DAPM_MUX("Right ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
};
This is useful when a single register bit or field affects multiple
muxes at once. The common case is to have separate control bits or
fields for each mux (channel). An alternative way of looking at this
is that the mux is a stereo (or even n-channel) mux, rather than
independant mono muxes.
Without this change, a separate kcontrol will be created for each
DAPM_MUX. This has the following disadvantages:
* Confuses the user/programmer with redundant controls that don't
map to separate hardware.
* When one of the controls is changed, ASoC fails to update the DAPM
logic for paths solely affected by the other controls impacted by
the same register bits. This causes some paths not to be correctly
powered up or down. Prior to this change, to work around this, the
user or programmer had to manually toggle all duplicate controls away
from the intended setting, and then back to it.
Control sharing implies that the control is named based on the
kcontrol_new itself, not any of the widgets that are affected by it.
Control sharing is implemented by: When creating kcontrols, if a
kcontrol does not yet exist for a particular kcontrol_new, then a new
kcontrol is created with a list of widgets containing just a single
entry. This is the normal case. However, if a kcontrol does already
exists for the given kcontrol_new, the current widget is simply added
to that kcontrol's list of affected widgets.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-04-29 06:38:01 +07:00
|
|
|
/*
|
|
|
|
* The control will get a prefix from the control creation
|
|
|
|
* process but we're also using the same prefix for widgets so
|
|
|
|
* cut the prefix off the front of the widget name.
|
|
|
|
*/
|
|
|
|
kcontrol = snd_soc_cnew(&w->kcontrol_news[0], wlist,
|
|
|
|
name + prefix_len, prefix);
|
|
|
|
ret = snd_ctl_add(card, kcontrol);
|
|
|
|
if (ret < 0) {
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_err(dapm->dev, "ASoC: failed to add kcontrol %s: %d\n",
|
2011-09-06 00:51:05 +07:00
|
|
|
w->name, ret);
|
ASoC: Implement mux control sharing
Control sharing is enabled when two widgets include pointers to the
same kcontrol_new in their definition. Specifically:
static const struct snd_kcontrol_new adcinput_mux =
SOC_DAPM_ENUM("ADC Input", adcinput_enum);
static const struct snd_soc_dapm_widget wm8903_dapm_widgets[] = {
SND_SOC_DAPM_MUX("Left ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
SND_SOC_DAPM_MUX("Right ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
};
This is useful when a single register bit or field affects multiple
muxes at once. The common case is to have separate control bits or
fields for each mux (channel). An alternative way of looking at this
is that the mux is a stereo (or even n-channel) mux, rather than
independant mono muxes.
Without this change, a separate kcontrol will be created for each
DAPM_MUX. This has the following disadvantages:
* Confuses the user/programmer with redundant controls that don't
map to separate hardware.
* When one of the controls is changed, ASoC fails to update the DAPM
logic for paths solely affected by the other controls impacted by
the same register bits. This causes some paths not to be correctly
powered up or down. Prior to this change, to work around this, the
user or programmer had to manually toggle all duplicate controls away
from the intended setting, and then back to it.
Control sharing implies that the control is named based on the
kcontrol_new itself, not any of the widgets that are affected by it.
Control sharing is implemented by: When creating kcontrols, if a
kcontrol does not yet exist for a particular kcontrol_new, then a new
kcontrol is created with a list of widgets containing just a single
entry. This is the normal case. However, if a kcontrol does already
exists for the given kcontrol_new, the current widget is simply added
to that kcontrol's list of affected widgets.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-04-29 06:38:01 +07:00
|
|
|
kfree(wlist);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
}
|
2010-11-05 20:53:46 +07:00
|
|
|
|
ASoC: Implement mux control sharing
Control sharing is enabled when two widgets include pointers to the
same kcontrol_new in their definition. Specifically:
static const struct snd_kcontrol_new adcinput_mux =
SOC_DAPM_ENUM("ADC Input", adcinput_enum);
static const struct snd_soc_dapm_widget wm8903_dapm_widgets[] = {
SND_SOC_DAPM_MUX("Left ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
SND_SOC_DAPM_MUX("Right ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
};
This is useful when a single register bit or field affects multiple
muxes at once. The common case is to have separate control bits or
fields for each mux (channel). An alternative way of looking at this
is that the mux is a stereo (or even n-channel) mux, rather than
independant mono muxes.
Without this change, a separate kcontrol will be created for each
DAPM_MUX. This has the following disadvantages:
* Confuses the user/programmer with redundant controls that don't
map to separate hardware.
* When one of the controls is changed, ASoC fails to update the DAPM
logic for paths solely affected by the other controls impacted by
the same register bits. This causes some paths not to be correctly
powered up or down. Prior to this change, to work around this, the
user or programmer had to manually toggle all duplicate controls away
from the intended setting, and then back to it.
Control sharing implies that the control is named based on the
kcontrol_new itself, not any of the widgets that are affected by it.
Control sharing is implemented by: When creating kcontrols, if a
kcontrol does not yet exist for a particular kcontrol_new, then a new
kcontrol is created with a list of widgets containing just a single
entry. This is the normal case. However, if a kcontrol does already
exists for the given kcontrol_new, the current widget is simply added
to that kcontrol's list of affected widgets.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-04-29 06:38:01 +07:00
|
|
|
kcontrol->private_data = wlist;
|
2006-10-06 23:32:18 +07:00
|
|
|
|
2011-04-29 06:37:59 +07:00
|
|
|
w->kcontrols[0] = kcontrol;
|
|
|
|
|
2006-10-06 23:32:18 +07:00
|
|
|
list_for_each_entry(path, &w->sources, list_sink)
|
|
|
|
path->kcontrol = kcontrol;
|
|
|
|
|
ASoC: Implement mux control sharing
Control sharing is enabled when two widgets include pointers to the
same kcontrol_new in their definition. Specifically:
static const struct snd_kcontrol_new adcinput_mux =
SOC_DAPM_ENUM("ADC Input", adcinput_enum);
static const struct snd_soc_dapm_widget wm8903_dapm_widgets[] = {
SND_SOC_DAPM_MUX("Left ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
SND_SOC_DAPM_MUX("Right ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
};
This is useful when a single register bit or field affects multiple
muxes at once. The common case is to have separate control bits or
fields for each mux (channel). An alternative way of looking at this
is that the mux is a stereo (or even n-channel) mux, rather than
independant mono muxes.
Without this change, a separate kcontrol will be created for each
DAPM_MUX. This has the following disadvantages:
* Confuses the user/programmer with redundant controls that don't
map to separate hardware.
* When one of the controls is changed, ASoC fails to update the DAPM
logic for paths solely affected by the other controls impacted by
the same register bits. This causes some paths not to be correctly
powered up or down. Prior to this change, to work around this, the
user or programmer had to manually toggle all duplicate controls away
from the intended setting, and then back to it.
Control sharing implies that the control is named based on the
kcontrol_new itself, not any of the widgets that are affected by it.
Control sharing is implemented by: When creating kcontrols, if a
kcontrol does not yet exist for a particular kcontrol_new, then a new
kcontrol is created with a list of widgets containing just a single
entry. This is the normal case. However, if a kcontrol does already
exists for the given kcontrol_new, the current widget is simply added
to that kcontrol's list of affected widgets.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-04-29 06:38:01 +07:00
|
|
|
return 0;
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
|
|
|
|
|
|
|
/* create new dapm volume control */
|
2011-06-09 18:22:36 +07:00
|
|
|
static int dapm_new_pga(struct snd_soc_dapm_widget *w)
|
2006-10-06 23:32:18 +07:00
|
|
|
{
|
2010-03-04 00:45:21 +07:00
|
|
|
if (w->num_kcontrols)
|
2010-11-09 19:40:27 +07:00
|
|
|
dev_err(w->dapm->dev,
|
2012-11-19 21:39:12 +07:00
|
|
|
"ASoC: PGA controls not supported: '%s'\n", w->name);
|
2006-10-06 23:32:18 +07:00
|
|
|
|
2010-03-04 00:45:21 +07:00
|
|
|
return 0;
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
|
|
|
|
|
|
|
/* reset 'walked' bit for each dapm path */
|
2010-11-05 20:53:46 +07:00
|
|
|
static inline void dapm_clear_walk(struct snd_soc_dapm_context *dapm)
|
2006-10-06 23:32:18 +07:00
|
|
|
{
|
|
|
|
struct snd_soc_dapm_path *p;
|
|
|
|
|
2010-12-14 17:18:30 +07:00
|
|
|
list_for_each_entry(p, &dapm->card->paths, list)
|
2006-10-06 23:32:18 +07:00
|
|
|
p->walked = 0;
|
|
|
|
}
|
|
|
|
|
2010-05-08 02:24:05 +07:00
|
|
|
/* We implement power down on suspend by checking the power state of
|
|
|
|
* the ALSA card - when we are suspending the ALSA state for the card
|
|
|
|
* is set to D3.
|
|
|
|
*/
|
|
|
|
static int snd_soc_dapm_suspend_check(struct snd_soc_dapm_widget *widget)
|
|
|
|
{
|
2011-03-03 01:17:32 +07:00
|
|
|
int level = snd_power_get_state(widget->dapm->card->snd_card);
|
2010-05-08 02:24:05 +07:00
|
|
|
|
2010-03-18 03:15:21 +07:00
|
|
|
switch (level) {
|
2010-05-08 02:24:05 +07:00
|
|
|
case SNDRV_CTL_POWER_D3hot:
|
|
|
|
case SNDRV_CTL_POWER_D3cold:
|
2010-05-08 03:11:40 +07:00
|
|
|
if (widget->ignore_suspend)
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_dbg(widget->dapm->dev, "ASoC: %s ignoring suspend\n",
|
2010-11-09 19:40:27 +07:00
|
|
|
widget->name);
|
2010-05-08 03:11:40 +07:00
|
|
|
return widget->ignore_suspend;
|
2010-05-08 02:24:05 +07:00
|
|
|
default:
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-04-18 17:41:11 +07:00
|
|
|
/* add widget to list if it's not already in the list */
|
|
|
|
static int dapm_list_add_widget(struct snd_soc_dapm_widget_list **list,
|
|
|
|
struct snd_soc_dapm_widget *w)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget_list *wlist;
|
|
|
|
int wlistsize, wlistentries, i;
|
|
|
|
|
|
|
|
if (*list == NULL)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
wlist = *list;
|
|
|
|
|
|
|
|
/* is this widget already in the list */
|
|
|
|
for (i = 0; i < wlist->num_widgets; i++) {
|
|
|
|
if (wlist->widgets[i] == w)
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* allocate some new space */
|
|
|
|
wlistentries = wlist->num_widgets + 1;
|
|
|
|
wlistsize = sizeof(struct snd_soc_dapm_widget_list) +
|
|
|
|
wlistentries * sizeof(struct snd_soc_dapm_widget *);
|
|
|
|
*list = krealloc(wlist, wlistsize, GFP_KERNEL);
|
|
|
|
if (*list == NULL) {
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_err(w->dapm->dev, "ASoC: can't allocate widget list for %s\n",
|
2012-04-18 17:41:11 +07:00
|
|
|
w->name);
|
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
wlist = *list;
|
|
|
|
|
|
|
|
/* insert the widget */
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_dbg(w->dapm->dev, "ASoC: added %s in widget list pos %d\n",
|
2012-04-18 17:41:11 +07:00
|
|
|
w->name, wlist->num_widgets);
|
|
|
|
|
|
|
|
wlist->widgets[wlist->num_widgets] = w;
|
|
|
|
wlist->num_widgets++;
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
2006-10-06 23:32:18 +07:00
|
|
|
/*
|
|
|
|
* Recursively check for a completed path to an active or physically connected
|
|
|
|
* output widget. Returns number of complete paths.
|
|
|
|
*/
|
2012-04-18 17:41:11 +07:00
|
|
|
static int is_connected_output_ep(struct snd_soc_dapm_widget *widget,
|
|
|
|
struct snd_soc_dapm_widget_list **list)
|
2006-10-06 23:32:18 +07:00
|
|
|
{
|
|
|
|
struct snd_soc_dapm_path *path;
|
|
|
|
int con = 0;
|
|
|
|
|
2011-10-09 17:52:05 +07:00
|
|
|
if (widget->outputs >= 0)
|
|
|
|
return widget->outputs;
|
|
|
|
|
2011-09-21 03:43:24 +07:00
|
|
|
DAPM_UPDATE_STAT(widget, path_checks);
|
|
|
|
|
2012-01-22 04:14:48 +07:00
|
|
|
switch (widget->id) {
|
|
|
|
case snd_soc_dapm_supply:
|
|
|
|
case snd_soc_dapm_regulator_supply:
|
2012-05-24 20:26:25 +07:00
|
|
|
case snd_soc_dapm_clock_supply:
|
2009-04-23 00:24:55 +07:00
|
|
|
return 0;
|
2012-01-22 04:14:48 +07:00
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
2009-04-23 00:24:55 +07:00
|
|
|
|
2009-08-17 23:39:22 +07:00
|
|
|
switch (widget->id) {
|
|
|
|
case snd_soc_dapm_adc:
|
|
|
|
case snd_soc_dapm_aif_out:
|
2012-02-17 10:37:51 +07:00
|
|
|
case snd_soc_dapm_dai:
|
2011-10-09 17:52:05 +07:00
|
|
|
if (widget->active) {
|
|
|
|
widget->outputs = snd_soc_dapm_suspend_check(widget);
|
|
|
|
return widget->outputs;
|
|
|
|
}
|
2009-08-17 23:39:22 +07:00
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
2006-10-06 23:32:18 +07:00
|
|
|
|
|
|
|
if (widget->connected) {
|
|
|
|
/* connected pin ? */
|
2011-10-09 17:52:05 +07:00
|
|
|
if (widget->id == snd_soc_dapm_output && !widget->ext) {
|
|
|
|
widget->outputs = snd_soc_dapm_suspend_check(widget);
|
|
|
|
return widget->outputs;
|
|
|
|
}
|
2006-10-06 23:32:18 +07:00
|
|
|
|
|
|
|
/* connected jack or spk ? */
|
2011-10-09 17:52:05 +07:00
|
|
|
if (widget->id == snd_soc_dapm_hp ||
|
|
|
|
widget->id == snd_soc_dapm_spk ||
|
|
|
|
(widget->id == snd_soc_dapm_line &&
|
|
|
|
!list_empty(&widget->sources))) {
|
|
|
|
widget->outputs = snd_soc_dapm_suspend_check(widget);
|
|
|
|
return widget->outputs;
|
|
|
|
}
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
|
|
|
|
|
|
|
list_for_each_entry(path, &widget->sinks, list_source) {
|
2011-09-22 00:19:14 +07:00
|
|
|
DAPM_UPDATE_STAT(widget, neighbour_checks);
|
|
|
|
|
2011-06-13 22:42:29 +07:00
|
|
|
if (path->weak)
|
|
|
|
continue;
|
|
|
|
|
2006-10-06 23:32:18 +07:00
|
|
|
if (path->walked)
|
|
|
|
continue;
|
|
|
|
|
2012-04-18 17:41:11 +07:00
|
|
|
trace_snd_soc_dapm_output_path(widget, path);
|
|
|
|
|
2006-10-06 23:32:18 +07:00
|
|
|
if (path->sink && path->connect) {
|
|
|
|
path->walked = 1;
|
2012-04-18 17:41:11 +07:00
|
|
|
|
|
|
|
/* do we need to add this widget to the list ? */
|
|
|
|
if (list) {
|
|
|
|
int err;
|
|
|
|
err = dapm_list_add_widget(list, path->sink);
|
|
|
|
if (err < 0) {
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_err(widget->dapm->dev,
|
|
|
|
"ASoC: could not add widget %s\n",
|
2012-04-18 17:41:11 +07:00
|
|
|
widget->name);
|
|
|
|
return con;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
con += is_connected_output_ep(path->sink, list);
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2011-10-09 17:52:05 +07:00
|
|
|
widget->outputs = con;
|
|
|
|
|
2006-10-06 23:32:18 +07:00
|
|
|
return con;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Recursively check for a completed path to an active or physically connected
|
|
|
|
* input widget. Returns number of complete paths.
|
|
|
|
*/
|
2012-04-18 17:41:11 +07:00
|
|
|
static int is_connected_input_ep(struct snd_soc_dapm_widget *widget,
|
|
|
|
struct snd_soc_dapm_widget_list **list)
|
2006-10-06 23:32:18 +07:00
|
|
|
{
|
|
|
|
struct snd_soc_dapm_path *path;
|
|
|
|
int con = 0;
|
|
|
|
|
2011-10-09 17:52:05 +07:00
|
|
|
if (widget->inputs >= 0)
|
|
|
|
return widget->inputs;
|
|
|
|
|
2011-09-21 03:43:24 +07:00
|
|
|
DAPM_UPDATE_STAT(widget, path_checks);
|
|
|
|
|
2012-01-22 04:14:48 +07:00
|
|
|
switch (widget->id) {
|
|
|
|
case snd_soc_dapm_supply:
|
|
|
|
case snd_soc_dapm_regulator_supply:
|
2012-05-24 20:26:25 +07:00
|
|
|
case snd_soc_dapm_clock_supply:
|
2009-04-23 00:24:55 +07:00
|
|
|
return 0;
|
2012-01-22 04:14:48 +07:00
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
2009-04-23 00:24:55 +07:00
|
|
|
|
2006-10-06 23:32:18 +07:00
|
|
|
/* active stream ? */
|
2009-08-17 23:39:22 +07:00
|
|
|
switch (widget->id) {
|
|
|
|
case snd_soc_dapm_dac:
|
|
|
|
case snd_soc_dapm_aif_in:
|
2012-02-17 10:37:51 +07:00
|
|
|
case snd_soc_dapm_dai:
|
2011-10-09 17:52:05 +07:00
|
|
|
if (widget->active) {
|
|
|
|
widget->inputs = snd_soc_dapm_suspend_check(widget);
|
|
|
|
return widget->inputs;
|
|
|
|
}
|
2009-08-17 23:39:22 +07:00
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
2006-10-06 23:32:18 +07:00
|
|
|
|
|
|
|
if (widget->connected) {
|
|
|
|
/* connected pin ? */
|
2011-10-09 17:52:05 +07:00
|
|
|
if (widget->id == snd_soc_dapm_input && !widget->ext) {
|
|
|
|
widget->inputs = snd_soc_dapm_suspend_check(widget);
|
|
|
|
return widget->inputs;
|
|
|
|
}
|
2006-10-06 23:32:18 +07:00
|
|
|
|
|
|
|
/* connected VMID/Bias for lower pops */
|
2011-10-09 17:52:05 +07:00
|
|
|
if (widget->id == snd_soc_dapm_vmid) {
|
|
|
|
widget->inputs = snd_soc_dapm_suspend_check(widget);
|
|
|
|
return widget->inputs;
|
|
|
|
}
|
2006-10-06 23:32:18 +07:00
|
|
|
|
|
|
|
/* connected jack ? */
|
2009-09-30 13:27:24 +07:00
|
|
|
if (widget->id == snd_soc_dapm_mic ||
|
2011-10-09 17:52:05 +07:00
|
|
|
(widget->id == snd_soc_dapm_line &&
|
|
|
|
!list_empty(&widget->sinks))) {
|
|
|
|
widget->inputs = snd_soc_dapm_suspend_check(widget);
|
|
|
|
return widget->inputs;
|
|
|
|
}
|
|
|
|
|
2011-11-27 23:21:51 +07:00
|
|
|
/* signal generator */
|
|
|
|
if (widget->id == snd_soc_dapm_siggen) {
|
|
|
|
widget->inputs = snd_soc_dapm_suspend_check(widget);
|
|
|
|
return widget->inputs;
|
|
|
|
}
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
|
|
|
|
|
|
|
list_for_each_entry(path, &widget->sources, list_sink) {
|
2011-09-22 00:19:14 +07:00
|
|
|
DAPM_UPDATE_STAT(widget, neighbour_checks);
|
|
|
|
|
2011-06-13 22:42:29 +07:00
|
|
|
if (path->weak)
|
|
|
|
continue;
|
|
|
|
|
2006-10-06 23:32:18 +07:00
|
|
|
if (path->walked)
|
|
|
|
continue;
|
|
|
|
|
2012-04-18 17:41:11 +07:00
|
|
|
trace_snd_soc_dapm_input_path(widget, path);
|
|
|
|
|
2006-10-06 23:32:18 +07:00
|
|
|
if (path->source && path->connect) {
|
|
|
|
path->walked = 1;
|
2012-04-18 17:41:11 +07:00
|
|
|
|
|
|
|
/* do we need to add this widget to the list ? */
|
|
|
|
if (list) {
|
|
|
|
int err;
|
2012-06-06 01:27:15 +07:00
|
|
|
err = dapm_list_add_widget(list, path->source);
|
2012-04-18 17:41:11 +07:00
|
|
|
if (err < 0) {
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_err(widget->dapm->dev,
|
|
|
|
"ASoC: could not add widget %s\n",
|
2012-04-18 17:41:11 +07:00
|
|
|
widget->name);
|
|
|
|
return con;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
con += is_connected_input_ep(path->source, list);
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2011-10-09 17:52:05 +07:00
|
|
|
widget->inputs = con;
|
|
|
|
|
2006-10-06 23:32:18 +07:00
|
|
|
return con;
|
|
|
|
}
|
|
|
|
|
2012-04-18 17:41:11 +07:00
|
|
|
/**
|
|
|
|
* snd_soc_dapm_get_connected_widgets - query audio path and it's widgets.
|
|
|
|
* @dai: the soc DAI.
|
|
|
|
* @stream: stream direction.
|
|
|
|
* @list: list of active widgets for this stream.
|
|
|
|
*
|
|
|
|
* Queries DAPM graph as to whether an valid audio stream path exists for
|
|
|
|
* the initial stream specified by name. This takes into account
|
|
|
|
* current mixer and mux kcontrol settings. Creates list of valid widgets.
|
|
|
|
*
|
|
|
|
* Returns the number of valid paths or negative error.
|
|
|
|
*/
|
|
|
|
int snd_soc_dapm_dai_get_connected_widgets(struct snd_soc_dai *dai, int stream,
|
|
|
|
struct snd_soc_dapm_widget_list **list)
|
|
|
|
{
|
|
|
|
struct snd_soc_card *card = dai->card;
|
|
|
|
int paths;
|
|
|
|
|
|
|
|
mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
|
|
|
|
dapm_reset(card);
|
|
|
|
|
|
|
|
if (stream == SNDRV_PCM_STREAM_PLAYBACK)
|
|
|
|
paths = is_connected_output_ep(dai->playback_widget, list);
|
|
|
|
else
|
2012-06-02 00:03:00 +07:00
|
|
|
paths = is_connected_input_ep(dai->capture_widget, list);
|
2012-04-18 17:41:11 +07:00
|
|
|
|
|
|
|
trace_snd_soc_dapm_connected(paths, stream);
|
|
|
|
dapm_clear_walk(&card->dapm);
|
|
|
|
mutex_unlock(&card->dapm_mutex);
|
|
|
|
|
|
|
|
return paths;
|
|
|
|
}
|
|
|
|
|
2008-06-25 18:42:07 +07:00
|
|
|
/*
|
|
|
|
* Handler for generic register modifier widget.
|
|
|
|
*/
|
|
|
|
int dapm_reg_event(struct snd_soc_dapm_widget *w,
|
|
|
|
struct snd_kcontrol *kcontrol, int event)
|
|
|
|
{
|
|
|
|
unsigned int val;
|
|
|
|
|
|
|
|
if (SND_SOC_DAPM_EVENT_ON(event))
|
|
|
|
val = w->on_val;
|
|
|
|
else
|
|
|
|
val = w->off_val;
|
|
|
|
|
2012-03-07 01:16:19 +07:00
|
|
|
soc_widget_update_bits_locked(w, -(w->reg + 1),
|
2008-06-25 18:42:07 +07:00
|
|
|
w->mask << w->shift, val << w->shift);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2008-07-29 17:42:23 +07:00
|
|
|
EXPORT_SYMBOL_GPL(dapm_reg_event);
|
2008-06-25 18:42:07 +07:00
|
|
|
|
2012-01-22 04:14:48 +07:00
|
|
|
/*
|
|
|
|
* Handler for regulator supply widget.
|
|
|
|
*/
|
|
|
|
int dapm_regulator_event(struct snd_soc_dapm_widget *w,
|
|
|
|
struct snd_kcontrol *kcontrol, int event)
|
|
|
|
{
|
2012-09-07 11:57:11 +07:00
|
|
|
int ret;
|
|
|
|
|
|
|
|
if (SND_SOC_DAPM_EVENT_ON(event)) {
|
|
|
|
if (w->invert & SND_SOC_DAPM_REGULATOR_BYPASS) {
|
2013-01-11 02:33:47 +07:00
|
|
|
ret = regulator_allow_bypass(w->regulator, false);
|
2012-09-07 11:57:11 +07:00
|
|
|
if (ret != 0)
|
|
|
|
dev_warn(w->dapm->dev,
|
2012-11-19 21:39:12 +07:00
|
|
|
"ASoC: Failed to bypass %s: %d\n",
|
2012-09-07 11:57:11 +07:00
|
|
|
w->name, ret);
|
|
|
|
}
|
|
|
|
|
2012-03-10 00:20:16 +07:00
|
|
|
return regulator_enable(w->regulator);
|
2012-09-07 11:57:11 +07:00
|
|
|
} else {
|
|
|
|
if (w->invert & SND_SOC_DAPM_REGULATOR_BYPASS) {
|
2013-01-11 02:33:47 +07:00
|
|
|
ret = regulator_allow_bypass(w->regulator, true);
|
2012-09-07 11:57:11 +07:00
|
|
|
if (ret != 0)
|
|
|
|
dev_warn(w->dapm->dev,
|
2012-11-19 21:39:12 +07:00
|
|
|
"ASoC: Failed to unbypass %s: %d\n",
|
2012-09-07 11:57:11 +07:00
|
|
|
w->name, ret);
|
|
|
|
}
|
|
|
|
|
2012-03-10 00:20:16 +07:00
|
|
|
return regulator_disable_deferred(w->regulator, w->shift);
|
2012-09-07 11:57:11 +07:00
|
|
|
}
|
2012-01-22 04:14:48 +07:00
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(dapm_regulator_event);
|
|
|
|
|
2012-05-24 20:26:25 +07:00
|
|
|
/*
|
|
|
|
* Handler for clock supply widget.
|
|
|
|
*/
|
|
|
|
int dapm_clock_event(struct snd_soc_dapm_widget *w,
|
|
|
|
struct snd_kcontrol *kcontrol, int event)
|
|
|
|
{
|
|
|
|
if (!w->clk)
|
|
|
|
return -EIO;
|
|
|
|
|
2012-06-04 14:16:20 +07:00
|
|
|
#ifdef CONFIG_HAVE_CLK
|
2012-05-24 20:26:25 +07:00
|
|
|
if (SND_SOC_DAPM_EVENT_ON(event)) {
|
|
|
|
return clk_enable(w->clk);
|
|
|
|
} else {
|
|
|
|
clk_disable(w->clk);
|
|
|
|
return 0;
|
|
|
|
}
|
2012-06-04 14:16:20 +07:00
|
|
|
#endif
|
2012-07-13 04:00:16 +07:00
|
|
|
return 0;
|
2012-05-24 20:26:25 +07:00
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(dapm_clock_event);
|
|
|
|
|
2011-09-29 00:28:23 +07:00
|
|
|
static int dapm_widget_power_check(struct snd_soc_dapm_widget *w)
|
|
|
|
{
|
2011-10-05 04:15:59 +07:00
|
|
|
if (w->power_checked)
|
|
|
|
return w->new_power;
|
|
|
|
|
2011-09-29 00:28:23 +07:00
|
|
|
if (w->force)
|
2011-10-05 04:15:59 +07:00
|
|
|
w->new_power = 1;
|
2011-09-29 00:28:23 +07:00
|
|
|
else
|
2011-10-05 04:15:59 +07:00
|
|
|
w->new_power = w->power_check(w);
|
|
|
|
|
|
|
|
w->power_checked = true;
|
|
|
|
|
|
|
|
return w->new_power;
|
2011-09-29 00:28:23 +07:00
|
|
|
}
|
|
|
|
|
2009-04-20 22:56:59 +07:00
|
|
|
/* Generic check to see if a widget should be powered.
|
|
|
|
*/
|
|
|
|
static int dapm_generic_check_power(struct snd_soc_dapm_widget *w)
|
|
|
|
{
|
|
|
|
int in, out;
|
|
|
|
|
2011-09-21 03:43:24 +07:00
|
|
|
DAPM_UPDATE_STAT(w, power_checks);
|
|
|
|
|
2012-04-18 17:41:11 +07:00
|
|
|
in = is_connected_input_ep(w, NULL);
|
2010-11-05 20:53:46 +07:00
|
|
|
dapm_clear_walk(w->dapm);
|
2012-04-18 17:41:11 +07:00
|
|
|
out = is_connected_output_ep(w, NULL);
|
2010-11-05 20:53:46 +07:00
|
|
|
dapm_clear_walk(w->dapm);
|
2009-04-20 22:56:59 +07:00
|
|
|
return out != 0 && in != 0;
|
|
|
|
}
|
|
|
|
|
2012-02-17 10:37:51 +07:00
|
|
|
static int dapm_dai_check_power(struct snd_soc_dapm_widget *w)
|
|
|
|
{
|
|
|
|
DAPM_UPDATE_STAT(w, power_checks);
|
|
|
|
|
2012-04-10 19:57:46 +07:00
|
|
|
if (w->active)
|
|
|
|
return w->active;
|
|
|
|
|
|
|
|
return dapm_generic_check_power(w);
|
2012-02-17 10:37:51 +07:00
|
|
|
}
|
|
|
|
|
2009-04-20 23:15:41 +07:00
|
|
|
/* Check to see if an ADC has power */
|
|
|
|
static int dapm_adc_check_power(struct snd_soc_dapm_widget *w)
|
|
|
|
{
|
|
|
|
int in;
|
|
|
|
|
2011-09-21 03:43:24 +07:00
|
|
|
DAPM_UPDATE_STAT(w, power_checks);
|
|
|
|
|
2009-04-20 23:15:41 +07:00
|
|
|
if (w->active) {
|
2012-04-18 17:41:11 +07:00
|
|
|
in = is_connected_input_ep(w, NULL);
|
2010-11-05 20:53:46 +07:00
|
|
|
dapm_clear_walk(w->dapm);
|
2009-04-20 23:15:41 +07:00
|
|
|
return in != 0;
|
|
|
|
} else {
|
|
|
|
return dapm_generic_check_power(w);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Check to see if a DAC has power */
|
|
|
|
static int dapm_dac_check_power(struct snd_soc_dapm_widget *w)
|
|
|
|
{
|
|
|
|
int out;
|
|
|
|
|
2011-09-21 03:43:24 +07:00
|
|
|
DAPM_UPDATE_STAT(w, power_checks);
|
|
|
|
|
2009-04-20 23:15:41 +07:00
|
|
|
if (w->active) {
|
2012-04-18 17:41:11 +07:00
|
|
|
out = is_connected_output_ep(w, NULL);
|
2010-11-05 20:53:46 +07:00
|
|
|
dapm_clear_walk(w->dapm);
|
2009-04-20 23:15:41 +07:00
|
|
|
return out != 0;
|
|
|
|
} else {
|
|
|
|
return dapm_generic_check_power(w);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2009-04-23 00:24:55 +07:00
|
|
|
/* Check to see if a power supply is needed */
|
|
|
|
static int dapm_supply_check_power(struct snd_soc_dapm_widget *w)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_path *path;
|
|
|
|
|
2011-09-21 03:43:24 +07:00
|
|
|
DAPM_UPDATE_STAT(w, power_checks);
|
|
|
|
|
2009-04-23 00:24:55 +07:00
|
|
|
/* Check if one of our outputs is connected */
|
|
|
|
list_for_each_entry(path, &w->sinks, list_source) {
|
2011-09-29 00:20:26 +07:00
|
|
|
DAPM_UPDATE_STAT(w, neighbour_checks);
|
|
|
|
|
2011-06-13 22:42:29 +07:00
|
|
|
if (path->weak)
|
|
|
|
continue;
|
|
|
|
|
2009-09-09 00:59:05 +07:00
|
|
|
if (path->connected &&
|
|
|
|
!path->connected(path->source, path->sink))
|
|
|
|
continue;
|
|
|
|
|
2011-02-11 18:42:19 +07:00
|
|
|
if (!path->sink)
|
|
|
|
continue;
|
|
|
|
|
2011-10-05 04:57:50 +07:00
|
|
|
if (dapm_widget_power_check(path->sink))
|
|
|
|
return 1;
|
2009-04-23 00:24:55 +07:00
|
|
|
}
|
|
|
|
|
2010-11-05 20:53:46 +07:00
|
|
|
dapm_clear_walk(w->dapm);
|
2009-04-23 00:24:55 +07:00
|
|
|
|
2011-10-05 04:57:50 +07:00
|
|
|
return 0;
|
2009-04-23 00:24:55 +07:00
|
|
|
}
|
|
|
|
|
2011-09-29 00:23:53 +07:00
|
|
|
static int dapm_always_on_check_power(struct snd_soc_dapm_widget *w)
|
|
|
|
{
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
2009-06-07 01:03:23 +07:00
|
|
|
static int dapm_seq_compare(struct snd_soc_dapm_widget *a,
|
|
|
|
struct snd_soc_dapm_widget *b,
|
2011-01-15 20:14:30 +07:00
|
|
|
bool power_up)
|
2009-03-02 02:21:10 +07:00
|
|
|
{
|
2011-01-15 20:14:30 +07:00
|
|
|
int *sort;
|
|
|
|
|
|
|
|
if (power_up)
|
|
|
|
sort = dapm_up_seq;
|
|
|
|
else
|
|
|
|
sort = dapm_down_seq;
|
|
|
|
|
2009-06-07 01:03:23 +07:00
|
|
|
if (sort[a->id] != sort[b->id])
|
|
|
|
return sort[a->id] - sort[b->id];
|
2011-01-15 20:40:50 +07:00
|
|
|
if (a->subseq != b->subseq) {
|
|
|
|
if (power_up)
|
|
|
|
return a->subseq - b->subseq;
|
|
|
|
else
|
|
|
|
return b->subseq - a->subseq;
|
|
|
|
}
|
2009-06-07 18:51:26 +07:00
|
|
|
if (a->reg != b->reg)
|
|
|
|
return a->reg - b->reg;
|
2010-11-12 22:28:42 +07:00
|
|
|
if (a->dapm != b->dapm)
|
|
|
|
return (unsigned long)a->dapm - (unsigned long)b->dapm;
|
2009-03-02 02:21:10 +07:00
|
|
|
|
2009-06-07 01:03:23 +07:00
|
|
|
return 0;
|
|
|
|
}
|
2009-03-02 02:21:10 +07:00
|
|
|
|
2009-06-07 01:03:23 +07:00
|
|
|
/* Insert a widget in order into a DAPM power sequence. */
|
|
|
|
static void dapm_seq_insert(struct snd_soc_dapm_widget *new_widget,
|
|
|
|
struct list_head *list,
|
2011-01-15 20:14:30 +07:00
|
|
|
bool power_up)
|
2009-06-07 01:03:23 +07:00
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *w;
|
|
|
|
|
|
|
|
list_for_each_entry(w, list, power_list)
|
2011-01-15 20:14:30 +07:00
|
|
|
if (dapm_seq_compare(new_widget, w, power_up) < 0) {
|
2009-06-07 01:03:23 +07:00
|
|
|
list_add_tail(&new_widget->power_list, &w->power_list);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
list_add_tail(&new_widget->power_list, list);
|
|
|
|
}
|
|
|
|
|
2010-11-04 10:51:49 +07:00
|
|
|
static void dapm_seq_check_event(struct snd_soc_dapm_context *dapm,
|
|
|
|
struct snd_soc_dapm_widget *w, int event)
|
|
|
|
{
|
|
|
|
struct snd_soc_card *card = dapm->card;
|
|
|
|
const char *ev_name;
|
|
|
|
int power, ret;
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case SND_SOC_DAPM_PRE_PMU:
|
|
|
|
ev_name = "PRE_PMU";
|
|
|
|
power = 1;
|
|
|
|
break;
|
|
|
|
case SND_SOC_DAPM_POST_PMU:
|
|
|
|
ev_name = "POST_PMU";
|
|
|
|
power = 1;
|
|
|
|
break;
|
|
|
|
case SND_SOC_DAPM_PRE_PMD:
|
|
|
|
ev_name = "PRE_PMD";
|
|
|
|
power = 0;
|
|
|
|
break;
|
|
|
|
case SND_SOC_DAPM_POST_PMD:
|
|
|
|
ev_name = "POST_PMD";
|
|
|
|
power = 0;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
BUG();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (w->power != power)
|
|
|
|
return;
|
|
|
|
|
|
|
|
if (w->event && (w->event_flags & event)) {
|
|
|
|
pop_dbg(dapm->dev, card->pop_time, "pop test : %s %s\n",
|
|
|
|
w->name, ev_name);
|
2010-11-04 11:07:02 +07:00
|
|
|
trace_snd_soc_dapm_widget_event_start(w, event);
|
2010-11-04 10:51:49 +07:00
|
|
|
ret = w->event(w, NULL, event);
|
2010-11-04 11:07:02 +07:00
|
|
|
trace_snd_soc_dapm_widget_event_done(w, event);
|
2010-11-04 10:51:49 +07:00
|
|
|
if (ret < 0)
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_err(dapm->dev, "ASoC: %s: %s event failed: %d\n",
|
2010-11-04 10:51:49 +07:00
|
|
|
ev_name, w->name, ret);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2009-06-07 18:51:26 +07:00
|
|
|
/* Apply the coalesced changes from a DAPM sequence */
|
2010-11-05 20:53:46 +07:00
|
|
|
static void dapm_seq_run_coalesced(struct snd_soc_dapm_context *dapm,
|
2009-06-07 18:51:26 +07:00
|
|
|
struct list_head *pending)
|
2009-06-07 16:12:52 +07:00
|
|
|
{
|
2010-11-06 01:35:21 +07:00
|
|
|
struct snd_soc_card *card = dapm->card;
|
2010-11-04 10:51:49 +07:00
|
|
|
struct snd_soc_dapm_widget *w;
|
|
|
|
int reg, power;
|
2009-06-07 18:51:26 +07:00
|
|
|
unsigned int value = 0;
|
|
|
|
unsigned int mask = 0;
|
|
|
|
unsigned int cur_mask;
|
|
|
|
|
|
|
|
reg = list_first_entry(pending, struct snd_soc_dapm_widget,
|
|
|
|
power_list)->reg;
|
|
|
|
|
|
|
|
list_for_each_entry(w, pending, power_list) {
|
|
|
|
cur_mask = 1 << w->shift;
|
|
|
|
BUG_ON(reg != w->reg);
|
|
|
|
|
|
|
|
if (w->invert)
|
|
|
|
power = !w->power;
|
|
|
|
else
|
|
|
|
power = w->power;
|
|
|
|
|
|
|
|
mask |= cur_mask;
|
|
|
|
if (power)
|
|
|
|
value |= cur_mask;
|
|
|
|
|
2010-11-09 19:40:28 +07:00
|
|
|
pop_dbg(dapm->dev, card->pop_time,
|
2009-06-07 18:51:26 +07:00
|
|
|
"pop test : Queue %s: reg=0x%x, 0x%x/0x%x\n",
|
|
|
|
w->name, reg, value, mask);
|
2009-06-07 19:21:24 +07:00
|
|
|
|
2010-11-04 10:51:49 +07:00
|
|
|
/* Check for events */
|
|
|
|
dapm_seq_check_event(dapm, w, SND_SOC_DAPM_PRE_PMU);
|
|
|
|
dapm_seq_check_event(dapm, w, SND_SOC_DAPM_PRE_PMD);
|
2009-06-07 19:21:24 +07:00
|
|
|
}
|
|
|
|
|
|
|
|
if (reg >= 0) {
|
2011-06-19 19:49:28 +07:00
|
|
|
/* Any widget will do, they should all be updating the
|
|
|
|
* same register.
|
|
|
|
*/
|
|
|
|
w = list_first_entry(pending, struct snd_soc_dapm_widget,
|
|
|
|
power_list);
|
|
|
|
|
2010-11-09 19:40:28 +07:00
|
|
|
pop_dbg(dapm->dev, card->pop_time,
|
2009-06-07 19:21:24 +07:00
|
|
|
"pop test : Applying 0x%x/0x%x to %x in %dms\n",
|
2010-11-06 01:35:21 +07:00
|
|
|
value, mask, reg, card->pop_time);
|
|
|
|
pop_wait(card->pop_time);
|
2012-03-07 01:16:19 +07:00
|
|
|
soc_widget_update_bits_locked(w, reg, mask, value);
|
2009-06-07 18:51:26 +07:00
|
|
|
}
|
|
|
|
|
2009-06-07 19:21:24 +07:00
|
|
|
list_for_each_entry(w, pending, power_list) {
|
2010-11-04 10:51:49 +07:00
|
|
|
dapm_seq_check_event(dapm, w, SND_SOC_DAPM_POST_PMU);
|
|
|
|
dapm_seq_check_event(dapm, w, SND_SOC_DAPM_POST_PMD);
|
2009-06-07 19:21:24 +07:00
|
|
|
}
|
2009-06-07 18:51:26 +07:00
|
|
|
}
|
2009-03-02 02:21:10 +07:00
|
|
|
|
2009-06-07 18:51:26 +07:00
|
|
|
/* Apply a DAPM power sequence.
|
|
|
|
*
|
|
|
|
* We walk over a pre-sorted list of widgets to apply power to. In
|
|
|
|
* order to minimise the number of writes to the device required
|
|
|
|
* multiple widgets will be updated in a single write where possible.
|
|
|
|
* Currently anything that requires more than a single write is not
|
|
|
|
* handled.
|
|
|
|
*/
|
2010-11-05 20:53:46 +07:00
|
|
|
static void dapm_seq_run(struct snd_soc_dapm_context *dapm,
|
2011-01-15 20:14:30 +07:00
|
|
|
struct list_head *list, int event, bool power_up)
|
2009-06-07 18:51:26 +07:00
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *w, *n;
|
|
|
|
LIST_HEAD(pending);
|
|
|
|
int cur_sort = -1;
|
2011-01-15 20:40:50 +07:00
|
|
|
int cur_subseq = -1;
|
2009-06-07 18:51:26 +07:00
|
|
|
int cur_reg = SND_SOC_NOPM;
|
2010-12-14 17:18:32 +07:00
|
|
|
struct snd_soc_dapm_context *cur_dapm = NULL;
|
2011-01-18 23:14:44 +07:00
|
|
|
int ret, i;
|
2011-01-15 20:14:30 +07:00
|
|
|
int *sort;
|
|
|
|
|
|
|
|
if (power_up)
|
|
|
|
sort = dapm_up_seq;
|
|
|
|
else
|
|
|
|
sort = dapm_down_seq;
|
2009-06-07 16:12:52 +07:00
|
|
|
|
2009-06-07 18:51:26 +07:00
|
|
|
list_for_each_entry_safe(w, n, list, power_list) {
|
|
|
|
ret = 0;
|
|
|
|
|
|
|
|
/* Do we need to apply any queued changes? */
|
2010-12-14 17:18:32 +07:00
|
|
|
if (sort[w->id] != cur_sort || w->reg != cur_reg ||
|
2011-01-15 20:40:50 +07:00
|
|
|
w->dapm != cur_dapm || w->subseq != cur_subseq) {
|
2009-06-07 18:51:26 +07:00
|
|
|
if (!list_empty(&pending))
|
2010-12-14 17:18:32 +07:00
|
|
|
dapm_seq_run_coalesced(cur_dapm, &pending);
|
2009-06-07 18:51:26 +07:00
|
|
|
|
2011-01-18 23:14:44 +07:00
|
|
|
if (cur_dapm && cur_dapm->seq_notifier) {
|
|
|
|
for (i = 0; i < ARRAY_SIZE(dapm_up_seq); i++)
|
|
|
|
if (sort[i] == cur_sort)
|
|
|
|
cur_dapm->seq_notifier(cur_dapm,
|
2011-01-27 04:41:28 +07:00
|
|
|
i,
|
|
|
|
cur_subseq);
|
2011-01-18 23:14:44 +07:00
|
|
|
}
|
|
|
|
|
2009-06-07 18:51:26 +07:00
|
|
|
INIT_LIST_HEAD(&pending);
|
|
|
|
cur_sort = -1;
|
2011-07-16 08:55:08 +07:00
|
|
|
cur_subseq = INT_MIN;
|
2009-06-07 18:51:26 +07:00
|
|
|
cur_reg = SND_SOC_NOPM;
|
2010-12-14 17:18:32 +07:00
|
|
|
cur_dapm = NULL;
|
2009-06-07 18:51:26 +07:00
|
|
|
}
|
|
|
|
|
2009-06-07 16:12:52 +07:00
|
|
|
switch (w->id) {
|
|
|
|
case snd_soc_dapm_pre:
|
|
|
|
if (!w->event)
|
2009-06-07 18:51:26 +07:00
|
|
|
list_for_each_entry_safe_continue(w, n, list,
|
|
|
|
power_list);
|
2009-06-07 16:12:52 +07:00
|
|
|
|
2009-06-07 18:51:26 +07:00
|
|
|
if (event == SND_SOC_DAPM_STREAM_START)
|
2009-06-07 16:12:52 +07:00
|
|
|
ret = w->event(w,
|
|
|
|
NULL, SND_SOC_DAPM_PRE_PMU);
|
2009-06-07 18:51:26 +07:00
|
|
|
else if (event == SND_SOC_DAPM_STREAM_STOP)
|
2009-06-07 16:12:52 +07:00
|
|
|
ret = w->event(w,
|
|
|
|
NULL, SND_SOC_DAPM_PRE_PMD);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case snd_soc_dapm_post:
|
|
|
|
if (!w->event)
|
2009-06-07 18:51:26 +07:00
|
|
|
list_for_each_entry_safe_continue(w, n, list,
|
|
|
|
power_list);
|
2009-06-07 16:12:52 +07:00
|
|
|
|
2009-06-07 18:51:26 +07:00
|
|
|
if (event == SND_SOC_DAPM_STREAM_START)
|
2009-06-07 16:12:52 +07:00
|
|
|
ret = w->event(w,
|
|
|
|
NULL, SND_SOC_DAPM_POST_PMU);
|
2009-06-07 18:51:26 +07:00
|
|
|
else if (event == SND_SOC_DAPM_STREAM_STOP)
|
2009-06-07 16:12:52 +07:00
|
|
|
ret = w->event(w,
|
|
|
|
NULL, SND_SOC_DAPM_POST_PMD);
|
|
|
|
break;
|
|
|
|
|
2009-06-07 18:51:26 +07:00
|
|
|
default:
|
2009-06-07 19:21:24 +07:00
|
|
|
/* Queue it up for application */
|
|
|
|
cur_sort = sort[w->id];
|
2011-01-15 20:40:50 +07:00
|
|
|
cur_subseq = w->subseq;
|
2009-06-07 19:21:24 +07:00
|
|
|
cur_reg = w->reg;
|
2010-12-14 17:18:32 +07:00
|
|
|
cur_dapm = w->dapm;
|
2009-06-07 19:21:24 +07:00
|
|
|
list_move(&w->power_list, &pending);
|
|
|
|
break;
|
2009-06-07 16:12:52 +07:00
|
|
|
}
|
2009-06-07 18:51:26 +07:00
|
|
|
|
|
|
|
if (ret < 0)
|
2010-11-09 19:40:27 +07:00
|
|
|
dev_err(w->dapm->dev,
|
2012-11-19 21:39:12 +07:00
|
|
|
"ASoC: Failed to apply widget power: %d\n", ret);
|
2009-04-20 23:15:41 +07:00
|
|
|
}
|
2009-06-07 18:51:26 +07:00
|
|
|
|
|
|
|
if (!list_empty(&pending))
|
2011-03-09 02:29:53 +07:00
|
|
|
dapm_seq_run_coalesced(cur_dapm, &pending);
|
2011-01-18 23:14:44 +07:00
|
|
|
|
|
|
|
if (cur_dapm && cur_dapm->seq_notifier) {
|
|
|
|
for (i = 0; i < ARRAY_SIZE(dapm_up_seq); i++)
|
|
|
|
if (sort[i] == cur_sort)
|
|
|
|
cur_dapm->seq_notifier(cur_dapm,
|
2011-01-27 04:41:28 +07:00
|
|
|
i, cur_subseq);
|
2011-01-18 23:14:44 +07:00
|
|
|
}
|
2009-03-02 02:21:10 +07:00
|
|
|
}
|
|
|
|
|
2010-12-14 23:13:57 +07:00
|
|
|
static void dapm_widget_update(struct snd_soc_dapm_context *dapm)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_update *update = dapm->update;
|
|
|
|
struct snd_soc_dapm_widget *w;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
if (!update)
|
|
|
|
return;
|
|
|
|
|
|
|
|
w = update->widget;
|
|
|
|
|
|
|
|
if (w->event &&
|
|
|
|
(w->event_flags & SND_SOC_DAPM_PRE_REG)) {
|
|
|
|
ret = w->event(w, update->kcontrol, SND_SOC_DAPM_PRE_REG);
|
|
|
|
if (ret != 0)
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_err(dapm->dev, "ASoC: %s DAPM pre-event failed: %d\n",
|
2010-12-14 23:13:57 +07:00
|
|
|
w->name, ret);
|
|
|
|
}
|
|
|
|
|
2012-03-07 01:16:19 +07:00
|
|
|
ret = soc_widget_update_bits_locked(w, update->reg, update->mask,
|
2010-12-14 23:13:57 +07:00
|
|
|
update->val);
|
|
|
|
if (ret < 0)
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_err(dapm->dev, "ASoC: %s DAPM update failed: %d\n",
|
|
|
|
w->name, ret);
|
2010-12-14 23:13:57 +07:00
|
|
|
|
|
|
|
if (w->event &&
|
|
|
|
(w->event_flags & SND_SOC_DAPM_POST_REG)) {
|
|
|
|
ret = w->event(w, update->kcontrol, SND_SOC_DAPM_POST_REG);
|
|
|
|
if (ret != 0)
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_err(dapm->dev, "ASoC: %s DAPM post-event failed: %d\n",
|
2010-12-14 23:13:57 +07:00
|
|
|
w->name, ret);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2011-02-19 02:49:43 +07:00
|
|
|
/* Async callback run prior to DAPM sequences - brings to _PREPARE if
|
|
|
|
* they're changing state.
|
|
|
|
*/
|
|
|
|
static void dapm_pre_sequence_async(void *data, async_cookie_t cookie)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_context *d = data;
|
|
|
|
int ret;
|
|
|
|
|
2011-06-04 17:25:10 +07:00
|
|
|
/* If we're off and we're not supposed to be go into STANDBY */
|
|
|
|
if (d->bias_level == SND_SOC_BIAS_OFF &&
|
|
|
|
d->target_bias_level != SND_SOC_BIAS_OFF) {
|
2011-12-05 22:17:06 +07:00
|
|
|
if (d->dev)
|
|
|
|
pm_runtime_get_sync(d->dev);
|
|
|
|
|
2011-02-19 02:49:43 +07:00
|
|
|
ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_STANDBY);
|
|
|
|
if (ret != 0)
|
|
|
|
dev_err(d->dev,
|
2012-11-19 21:39:12 +07:00
|
|
|
"ASoC: Failed to turn on bias: %d\n", ret);
|
2011-02-19 02:49:43 +07:00
|
|
|
}
|
|
|
|
|
2011-06-04 17:25:10 +07:00
|
|
|
/* Prepare for a STADDBY->ON or ON->STANDBY transition */
|
|
|
|
if (d->bias_level != d->target_bias_level) {
|
2011-02-19 02:49:43 +07:00
|
|
|
ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_PREPARE);
|
|
|
|
if (ret != 0)
|
|
|
|
dev_err(d->dev,
|
2012-11-19 21:39:12 +07:00
|
|
|
"ASoC: Failed to prepare bias: %d\n", ret);
|
2011-02-19 02:49:43 +07:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Async callback run prior to DAPM sequences - brings to their final
|
|
|
|
* state.
|
|
|
|
*/
|
|
|
|
static void dapm_post_sequence_async(void *data, async_cookie_t cookie)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_context *d = data;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
/* If we just powered the last thing off drop to standby bias */
|
2011-06-04 17:25:10 +07:00
|
|
|
if (d->bias_level == SND_SOC_BIAS_PREPARE &&
|
|
|
|
(d->target_bias_level == SND_SOC_BIAS_STANDBY ||
|
|
|
|
d->target_bias_level == SND_SOC_BIAS_OFF)) {
|
2011-02-19 02:49:43 +07:00
|
|
|
ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_STANDBY);
|
|
|
|
if (ret != 0)
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_err(d->dev, "ASoC: Failed to apply standby bias: %d\n",
|
2011-02-19 02:49:43 +07:00
|
|
|
ret);
|
|
|
|
}
|
2010-12-14 23:13:57 +07:00
|
|
|
|
2011-02-19 02:49:43 +07:00
|
|
|
/* If we're in standby and can support bias off then do that */
|
2011-06-04 17:25:10 +07:00
|
|
|
if (d->bias_level == SND_SOC_BIAS_STANDBY &&
|
|
|
|
d->target_bias_level == SND_SOC_BIAS_OFF) {
|
2011-02-19 02:49:43 +07:00
|
|
|
ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_OFF);
|
|
|
|
if (ret != 0)
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_err(d->dev, "ASoC: Failed to turn off bias: %d\n",
|
|
|
|
ret);
|
2011-12-05 22:17:06 +07:00
|
|
|
|
|
|
|
if (d->dev)
|
2012-01-26 02:53:58 +07:00
|
|
|
pm_runtime_put(d->dev);
|
2011-02-19 02:49:43 +07:00
|
|
|
}
|
|
|
|
|
|
|
|
/* If we just powered up then move to active bias */
|
2011-06-04 17:25:10 +07:00
|
|
|
if (d->bias_level == SND_SOC_BIAS_PREPARE &&
|
|
|
|
d->target_bias_level == SND_SOC_BIAS_ON) {
|
2011-02-19 02:49:43 +07:00
|
|
|
ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_ON);
|
|
|
|
if (ret != 0)
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_err(d->dev, "ASoC: Failed to apply active bias: %d\n",
|
2011-02-19 02:49:43 +07:00
|
|
|
ret);
|
|
|
|
}
|
|
|
|
}
|
2010-12-14 23:13:57 +07:00
|
|
|
|
2011-10-04 04:36:57 +07:00
|
|
|
static void dapm_widget_set_peer_power(struct snd_soc_dapm_widget *peer,
|
|
|
|
bool power, bool connect)
|
|
|
|
{
|
|
|
|
/* If a connection is being made or broken then that update
|
|
|
|
* will have marked the peer dirty, otherwise the widgets are
|
|
|
|
* not connected and this update has no impact. */
|
|
|
|
if (!connect)
|
|
|
|
return;
|
|
|
|
|
|
|
|
/* If the peer is already in the state we're moving to then we
|
|
|
|
* won't have an impact on it. */
|
|
|
|
if (power != peer->power)
|
2011-10-05 04:28:08 +07:00
|
|
|
dapm_mark_dirty(peer, "peer state change");
|
2011-10-04 04:36:57 +07:00
|
|
|
}
|
|
|
|
|
2011-09-28 23:02:31 +07:00
|
|
|
static void dapm_widget_set_power(struct snd_soc_dapm_widget *w, bool power,
|
|
|
|
struct list_head *up_list,
|
|
|
|
struct list_head *down_list)
|
|
|
|
{
|
2011-10-04 03:06:40 +07:00
|
|
|
struct snd_soc_dapm_path *path;
|
|
|
|
|
2011-09-28 23:02:31 +07:00
|
|
|
if (w->power == power)
|
|
|
|
return;
|
|
|
|
|
|
|
|
trace_snd_soc_dapm_widget_power(w, power);
|
|
|
|
|
2011-10-04 03:06:40 +07:00
|
|
|
/* If we changed our power state perhaps our neigbours changed
|
2011-10-04 04:36:57 +07:00
|
|
|
* also.
|
2011-10-04 03:06:40 +07:00
|
|
|
*/
|
|
|
|
list_for_each_entry(path, &w->sources, list_sink) {
|
|
|
|
if (path->source) {
|
2011-10-04 04:36:57 +07:00
|
|
|
dapm_widget_set_peer_power(path->source, power,
|
|
|
|
path->connect);
|
2011-10-04 03:06:40 +07:00
|
|
|
}
|
|
|
|
}
|
2011-10-05 04:43:31 +07:00
|
|
|
switch (w->id) {
|
|
|
|
case snd_soc_dapm_supply:
|
2012-01-22 04:14:48 +07:00
|
|
|
case snd_soc_dapm_regulator_supply:
|
2012-05-24 20:26:25 +07:00
|
|
|
case snd_soc_dapm_clock_supply:
|
2011-10-05 04:43:31 +07:00
|
|
|
/* Supplies can't affect their outputs, only their inputs */
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
list_for_each_entry(path, &w->sinks, list_source) {
|
|
|
|
if (path->sink) {
|
|
|
|
dapm_widget_set_peer_power(path->sink, power,
|
|
|
|
path->connect);
|
|
|
|
}
|
2011-10-04 03:06:40 +07:00
|
|
|
}
|
2011-10-05 04:43:31 +07:00
|
|
|
break;
|
2011-10-04 03:06:40 +07:00
|
|
|
}
|
|
|
|
|
2011-09-28 23:02:31 +07:00
|
|
|
if (power)
|
|
|
|
dapm_seq_insert(w, up_list, true);
|
|
|
|
else
|
|
|
|
dapm_seq_insert(w, down_list, false);
|
|
|
|
|
|
|
|
w->power = power;
|
|
|
|
}
|
|
|
|
|
2011-09-21 04:22:32 +07:00
|
|
|
static void dapm_power_one_widget(struct snd_soc_dapm_widget *w,
|
|
|
|
struct list_head *up_list,
|
|
|
|
struct list_head *down_list)
|
|
|
|
{
|
|
|
|
int power;
|
|
|
|
|
|
|
|
switch (w->id) {
|
|
|
|
case snd_soc_dapm_pre:
|
|
|
|
dapm_seq_insert(w, down_list, false);
|
|
|
|
break;
|
|
|
|
case snd_soc_dapm_post:
|
|
|
|
dapm_seq_insert(w, up_list, true);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
2011-09-29 00:28:23 +07:00
|
|
|
power = dapm_widget_power_check(w);
|
2011-09-21 04:22:32 +07:00
|
|
|
|
2011-09-28 23:02:31 +07:00
|
|
|
dapm_widget_set_power(w, power, up_list, down_list);
|
2011-09-21 04:22:32 +07:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2006-10-06 23:32:18 +07:00
|
|
|
/*
|
|
|
|
* Scan each dapm widget for complete audio path.
|
|
|
|
* A complete path is a route that has valid endpoints i.e.:-
|
|
|
|
*
|
|
|
|
* o DAC to output pin.
|
|
|
|
* o Input Pin to ADC.
|
|
|
|
* o Input pin to Output pin (bypass, sidetone)
|
|
|
|
* o DAC to ADC (loopback).
|
|
|
|
*/
|
2010-11-05 20:53:46 +07:00
|
|
|
static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event)
|
2006-10-06 23:32:18 +07:00
|
|
|
{
|
2011-03-03 01:17:32 +07:00
|
|
|
struct snd_soc_card *card = dapm->card;
|
2006-10-06 23:32:18 +07:00
|
|
|
struct snd_soc_dapm_widget *w;
|
2010-12-14 17:18:32 +07:00
|
|
|
struct snd_soc_dapm_context *d;
|
2009-06-07 19:57:17 +07:00
|
|
|
LIST_HEAD(up_list);
|
|
|
|
LIST_HEAD(down_list);
|
2012-07-10 09:33:25 +07:00
|
|
|
ASYNC_DOMAIN_EXCLUSIVE(async_domain);
|
2011-06-04 17:25:10 +07:00
|
|
|
enum snd_soc_bias_level bias;
|
2009-05-16 23:47:29 +07:00
|
|
|
|
2010-11-04 11:07:02 +07:00
|
|
|
trace_snd_soc_dapm_start(card);
|
|
|
|
|
2011-06-04 17:25:10 +07:00
|
|
|
list_for_each_entry(d, &card->dapm_list, list) {
|
2012-03-08 22:06:09 +07:00
|
|
|
if (d->idle_bias_off)
|
|
|
|
d->target_bias_level = SND_SOC_BIAS_OFF;
|
|
|
|
else
|
|
|
|
d->target_bias_level = SND_SOC_BIAS_STANDBY;
|
2011-06-04 17:25:10 +07:00
|
|
|
}
|
2010-12-14 17:18:32 +07:00
|
|
|
|
2012-02-15 22:15:34 +07:00
|
|
|
dapm_reset(card);
|
2011-10-05 04:15:59 +07:00
|
|
|
|
2009-05-16 23:47:29 +07:00
|
|
|
/* Check which widgets we need to power and store them in
|
2011-10-04 03:06:40 +07:00
|
|
|
* lists indicating if they should be powered up or down. We
|
|
|
|
* only check widgets that have been flagged as dirty but note
|
|
|
|
* that new widgets may be added to the dirty list while we
|
|
|
|
* iterate.
|
2009-05-16 23:47:29 +07:00
|
|
|
*/
|
2011-10-04 03:06:40 +07:00
|
|
|
list_for_each_entry(w, &card->dapm_dirty, dirty) {
|
2011-09-21 04:22:32 +07:00
|
|
|
dapm_power_one_widget(w, &up_list, &down_list);
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
|
|
|
|
2011-09-28 23:19:47 +07:00
|
|
|
list_for_each_entry(w, &card->widgets, list) {
|
2012-07-20 23:29:34 +07:00
|
|
|
switch (w->id) {
|
|
|
|
case snd_soc_dapm_pre:
|
|
|
|
case snd_soc_dapm_post:
|
|
|
|
/* These widgets always need to be powered */
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
list_del_init(&w->dirty);
|
|
|
|
break;
|
|
|
|
}
|
2011-10-04 03:06:40 +07:00
|
|
|
|
2011-09-28 23:19:47 +07:00
|
|
|
if (w->power) {
|
|
|
|
d = w->dapm;
|
|
|
|
|
|
|
|
/* Supplies and micbiases only bring the
|
|
|
|
* context up to STANDBY as unless something
|
|
|
|
* else is active and passing audio they
|
2012-01-26 02:55:22 +07:00
|
|
|
* generally don't require full power. Signal
|
|
|
|
* generators are virtual pins and have no
|
|
|
|
* power impact themselves.
|
2011-09-28 23:19:47 +07:00
|
|
|
*/
|
|
|
|
switch (w->id) {
|
2012-01-26 02:55:22 +07:00
|
|
|
case snd_soc_dapm_siggen:
|
|
|
|
break;
|
2011-09-28 23:19:47 +07:00
|
|
|
case snd_soc_dapm_supply:
|
2012-01-22 04:14:48 +07:00
|
|
|
case snd_soc_dapm_regulator_supply:
|
2012-05-24 20:26:25 +07:00
|
|
|
case snd_soc_dapm_clock_supply:
|
2011-09-28 23:19:47 +07:00
|
|
|
case snd_soc_dapm_micbias:
|
|
|
|
if (d->target_bias_level < SND_SOC_BIAS_STANDBY)
|
|
|
|
d->target_bias_level = SND_SOC_BIAS_STANDBY;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
d->target_bias_level = SND_SOC_BIAS_ON;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
2011-09-22 03:29:47 +07:00
|
|
|
/* Force all contexts in the card to the same bias state if
|
|
|
|
* they're not ground referenced.
|
|
|
|
*/
|
2011-06-04 17:25:10 +07:00
|
|
|
bias = SND_SOC_BIAS_OFF;
|
2011-04-04 19:05:11 +07:00
|
|
|
list_for_each_entry(d, &card->dapm_list, list)
|
2011-06-04 17:25:10 +07:00
|
|
|
if (d->target_bias_level > bias)
|
|
|
|
bias = d->target_bias_level;
|
2011-04-04 19:05:11 +07:00
|
|
|
list_for_each_entry(d, &card->dapm_list, list)
|
2011-09-22 03:29:47 +07:00
|
|
|
if (!d->idle_bias_off)
|
|
|
|
d->target_bias_level = bias;
|
2011-04-04 19:05:11 +07:00
|
|
|
|
2011-09-21 03:43:24 +07:00
|
|
|
trace_snd_soc_dapm_walk_done(card);
|
2011-04-04 19:05:11 +07:00
|
|
|
|
2011-02-19 02:49:43 +07:00
|
|
|
/* Run all the bias changes in parallel */
|
|
|
|
list_for_each_entry(d, &dapm->card->dapm_list, list)
|
|
|
|
async_schedule_domain(dapm_pre_sequence_async, d,
|
|
|
|
&async_domain);
|
|
|
|
async_synchronize_full_domain(&async_domain);
|
2009-05-18 03:41:23 +07:00
|
|
|
|
2009-05-16 23:47:29 +07:00
|
|
|
/* Power down widgets first; try to avoid amplifying pops. */
|
2011-01-15 20:14:30 +07:00
|
|
|
dapm_seq_run(dapm, &down_list, event, false);
|
2006-10-06 23:32:18 +07:00
|
|
|
|
2010-12-14 23:13:57 +07:00
|
|
|
dapm_widget_update(dapm);
|
|
|
|
|
2009-05-16 23:47:29 +07:00
|
|
|
/* Now power up. */
|
2011-01-15 20:14:30 +07:00
|
|
|
dapm_seq_run(dapm, &up_list, event, true);
|
2006-10-06 23:32:18 +07:00
|
|
|
|
2011-02-19 02:49:43 +07:00
|
|
|
/* Run all the bias changes in parallel */
|
|
|
|
list_for_each_entry(d, &dapm->card->dapm_list, list)
|
|
|
|
async_schedule_domain(dapm_post_sequence_async, d,
|
|
|
|
&async_domain);
|
|
|
|
async_synchronize_full_domain(&async_domain);
|
2009-05-18 03:41:23 +07:00
|
|
|
|
2012-02-15 22:15:35 +07:00
|
|
|
/* do we need to notify any clients that DAPM event is complete */
|
|
|
|
list_for_each_entry(d, &card->dapm_list, list) {
|
|
|
|
if (d->stream_event)
|
|
|
|
d->stream_event(d, event);
|
|
|
|
}
|
|
|
|
|
2010-11-09 19:40:28 +07:00
|
|
|
pop_dbg(dapm->dev, card->pop_time,
|
|
|
|
"DAPM sequencing finished, waiting %dms\n", card->pop_time);
|
2010-11-06 01:35:21 +07:00
|
|
|
pop_wait(card->pop_time);
|
2009-07-09 00:54:57 +07:00
|
|
|
|
2010-11-04 11:07:02 +07:00
|
|
|
trace_snd_soc_dapm_done(card);
|
|
|
|
|
2009-03-02 02:21:10 +07:00
|
|
|
return 0;
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
|
|
|
|
2009-08-21 22:38:13 +07:00
|
|
|
#ifdef CONFIG_DEBUG_FS
|
|
|
|
static ssize_t dapm_widget_power_read_file(struct file *file,
|
|
|
|
char __user *user_buf,
|
|
|
|
size_t count, loff_t *ppos)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *w = file->private_data;
|
|
|
|
char *buf;
|
|
|
|
int in, out;
|
|
|
|
ssize_t ret;
|
|
|
|
struct snd_soc_dapm_path *p = NULL;
|
|
|
|
|
|
|
|
buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
|
|
|
|
if (!buf)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
2012-04-18 17:41:11 +07:00
|
|
|
in = is_connected_input_ep(w, NULL);
|
2010-11-05 20:53:46 +07:00
|
|
|
dapm_clear_walk(w->dapm);
|
2012-04-18 17:41:11 +07:00
|
|
|
out = is_connected_output_ep(w, NULL);
|
2010-11-05 20:53:46 +07:00
|
|
|
dapm_clear_walk(w->dapm);
|
2009-08-21 22:38:13 +07:00
|
|
|
|
2012-03-04 01:01:01 +07:00
|
|
|
ret = snprintf(buf, PAGE_SIZE, "%s: %s%s in %d out %d",
|
|
|
|
w->name, w->power ? "On" : "Off",
|
|
|
|
w->force ? " (forced)" : "", in, out);
|
2009-08-21 22:38:13 +07:00
|
|
|
|
2009-12-04 22:25:56 +07:00
|
|
|
if (w->reg >= 0)
|
|
|
|
ret += snprintf(buf + ret, PAGE_SIZE - ret,
|
|
|
|
" - R%d(0x%x) bit %d",
|
|
|
|
w->reg, w->reg, w->shift);
|
|
|
|
|
|
|
|
ret += snprintf(buf + ret, PAGE_SIZE - ret, "\n");
|
|
|
|
|
2009-09-14 22:49:00 +07:00
|
|
|
if (w->sname)
|
|
|
|
ret += snprintf(buf + ret, PAGE_SIZE - ret, " stream %s %s\n",
|
|
|
|
w->sname,
|
|
|
|
w->active ? "active" : "inactive");
|
2009-08-21 22:38:13 +07:00
|
|
|
|
|
|
|
list_for_each_entry(p, &w->sources, list_sink) {
|
2009-09-09 00:59:05 +07:00
|
|
|
if (p->connected && !p->connected(w, p->sink))
|
|
|
|
continue;
|
|
|
|
|
2009-08-21 22:38:13 +07:00
|
|
|
if (p->connect)
|
|
|
|
ret += snprintf(buf + ret, PAGE_SIZE - ret,
|
2011-02-25 00:09:32 +07:00
|
|
|
" in \"%s\" \"%s\"\n",
|
2009-08-21 22:38:13 +07:00
|
|
|
p->name ? p->name : "static",
|
|
|
|
p->source->name);
|
|
|
|
}
|
|
|
|
list_for_each_entry(p, &w->sinks, list_source) {
|
2009-09-09 00:59:05 +07:00
|
|
|
if (p->connected && !p->connected(w, p->sink))
|
|
|
|
continue;
|
|
|
|
|
2009-08-21 22:38:13 +07:00
|
|
|
if (p->connect)
|
|
|
|
ret += snprintf(buf + ret, PAGE_SIZE - ret,
|
2011-02-25 00:09:32 +07:00
|
|
|
" out \"%s\" \"%s\"\n",
|
2009-08-21 22:38:13 +07:00
|
|
|
p->name ? p->name : "static",
|
|
|
|
p->sink->name);
|
|
|
|
}
|
|
|
|
|
|
|
|
ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
|
|
|
|
|
|
|
|
kfree(buf);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static const struct file_operations dapm_widget_power_fops = {
|
2012-04-06 04:25:11 +07:00
|
|
|
.open = simple_open,
|
2009-08-21 22:38:13 +07:00
|
|
|
.read = dapm_widget_power_read_file,
|
llseek: automatically add .llseek fop
All file_operations should get a .llseek operation so we can make
nonseekable_open the default for future file operations without a
.llseek pointer.
The three cases that we can automatically detect are no_llseek, seq_lseek
and default_llseek. For cases where we can we can automatically prove that
the file offset is always ignored, we use noop_llseek, which maintains
the current behavior of not returning an error from a seek.
New drivers should normally not use noop_llseek but instead use no_llseek
and call nonseekable_open at open time. Existing drivers can be converted
to do the same when the maintainer knows for certain that no user code
relies on calling seek on the device file.
The generated code is often incorrectly indented and right now contains
comments that clarify for each added line why a specific variant was
chosen. In the version that gets submitted upstream, the comments will
be gone and I will manually fix the indentation, because there does not
seem to be a way to do that using coccinelle.
Some amount of new code is currently sitting in linux-next that should get
the same modifications, which I will do at the end of the merge window.
Many thanks to Julia Lawall for helping me learn to write a semantic
patch that does all this.
===== begin semantic patch =====
// This adds an llseek= method to all file operations,
// as a preparation for making no_llseek the default.
//
// The rules are
// - use no_llseek explicitly if we do nonseekable_open
// - use seq_lseek for sequential files
// - use default_llseek if we know we access f_pos
// - use noop_llseek if we know we don't access f_pos,
// but we still want to allow users to call lseek
//
@ open1 exists @
identifier nested_open;
@@
nested_open(...)
{
<+...
nonseekable_open(...)
...+>
}
@ open exists@
identifier open_f;
identifier i, f;
identifier open1.nested_open;
@@
int open_f(struct inode *i, struct file *f)
{
<+...
(
nonseekable_open(...)
|
nested_open(...)
)
...+>
}
@ read disable optional_qualifier exists @
identifier read_f;
identifier f, p, s, off;
type ssize_t, size_t, loff_t;
expression E;
identifier func;
@@
ssize_t read_f(struct file *f, char *p, size_t s, loff_t *off)
{
<+...
(
*off = E
|
*off += E
|
func(..., off, ...)
|
E = *off
)
...+>
}
@ read_no_fpos disable optional_qualifier exists @
identifier read_f;
identifier f, p, s, off;
type ssize_t, size_t, loff_t;
@@
ssize_t read_f(struct file *f, char *p, size_t s, loff_t *off)
{
... when != off
}
@ write @
identifier write_f;
identifier f, p, s, off;
type ssize_t, size_t, loff_t;
expression E;
identifier func;
@@
ssize_t write_f(struct file *f, const char *p, size_t s, loff_t *off)
{
<+...
(
*off = E
|
*off += E
|
func(..., off, ...)
|
E = *off
)
...+>
}
@ write_no_fpos @
identifier write_f;
identifier f, p, s, off;
type ssize_t, size_t, loff_t;
@@
ssize_t write_f(struct file *f, const char *p, size_t s, loff_t *off)
{
... when != off
}
@ fops0 @
identifier fops;
@@
struct file_operations fops = {
...
};
@ has_llseek depends on fops0 @
identifier fops0.fops;
identifier llseek_f;
@@
struct file_operations fops = {
...
.llseek = llseek_f,
...
};
@ has_read depends on fops0 @
identifier fops0.fops;
identifier read_f;
@@
struct file_operations fops = {
...
.read = read_f,
...
};
@ has_write depends on fops0 @
identifier fops0.fops;
identifier write_f;
@@
struct file_operations fops = {
...
.write = write_f,
...
};
@ has_open depends on fops0 @
identifier fops0.fops;
identifier open_f;
@@
struct file_operations fops = {
...
.open = open_f,
...
};
// use no_llseek if we call nonseekable_open
////////////////////////////////////////////
@ nonseekable1 depends on !has_llseek && has_open @
identifier fops0.fops;
identifier nso ~= "nonseekable_open";
@@
struct file_operations fops = {
... .open = nso, ...
+.llseek = no_llseek, /* nonseekable */
};
@ nonseekable2 depends on !has_llseek @
identifier fops0.fops;
identifier open.open_f;
@@
struct file_operations fops = {
... .open = open_f, ...
+.llseek = no_llseek, /* open uses nonseekable */
};
// use seq_lseek for sequential files
/////////////////////////////////////
@ seq depends on !has_llseek @
identifier fops0.fops;
identifier sr ~= "seq_read";
@@
struct file_operations fops = {
... .read = sr, ...
+.llseek = seq_lseek, /* we have seq_read */
};
// use default_llseek if there is a readdir
///////////////////////////////////////////
@ fops1 depends on !has_llseek && !nonseekable1 && !nonseekable2 && !seq @
identifier fops0.fops;
identifier readdir_e;
@@
// any other fop is used that changes pos
struct file_operations fops = {
... .readdir = readdir_e, ...
+.llseek = default_llseek, /* readdir is present */
};
// use default_llseek if at least one of read/write touches f_pos
/////////////////////////////////////////////////////////////////
@ fops2 depends on !fops1 && !has_llseek && !nonseekable1 && !nonseekable2 && !seq @
identifier fops0.fops;
identifier read.read_f;
@@
// read fops use offset
struct file_operations fops = {
... .read = read_f, ...
+.llseek = default_llseek, /* read accesses f_pos */
};
@ fops3 depends on !fops1 && !fops2 && !has_llseek && !nonseekable1 && !nonseekable2 && !seq @
identifier fops0.fops;
identifier write.write_f;
@@
// write fops use offset
struct file_operations fops = {
... .write = write_f, ...
+ .llseek = default_llseek, /* write accesses f_pos */
};
// Use noop_llseek if neither read nor write accesses f_pos
///////////////////////////////////////////////////////////
@ fops4 depends on !fops1 && !fops2 && !fops3 && !has_llseek && !nonseekable1 && !nonseekable2 && !seq @
identifier fops0.fops;
identifier read_no_fpos.read_f;
identifier write_no_fpos.write_f;
@@
// write fops use offset
struct file_operations fops = {
...
.write = write_f,
.read = read_f,
...
+.llseek = noop_llseek, /* read and write both use no f_pos */
};
@ depends on has_write && !has_read && !fops1 && !fops2 && !has_llseek && !nonseekable1 && !nonseekable2 && !seq @
identifier fops0.fops;
identifier write_no_fpos.write_f;
@@
struct file_operations fops = {
... .write = write_f, ...
+.llseek = noop_llseek, /* write uses no f_pos */
};
@ depends on has_read && !has_write && !fops1 && !fops2 && !has_llseek && !nonseekable1 && !nonseekable2 && !seq @
identifier fops0.fops;
identifier read_no_fpos.read_f;
@@
struct file_operations fops = {
... .read = read_f, ...
+.llseek = noop_llseek, /* read uses no f_pos */
};
@ depends on !has_read && !has_write && !fops1 && !fops2 && !has_llseek && !nonseekable1 && !nonseekable2 && !seq @
identifier fops0.fops;
@@
struct file_operations fops = {
...
+.llseek = noop_llseek, /* no read or write fn */
};
===== End semantic patch =====
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Julia Lawall <julia@diku.dk>
Cc: Christoph Hellwig <hch@infradead.org>
2010-08-15 23:52:59 +07:00
|
|
|
.llseek = default_llseek,
|
2009-08-21 22:38:13 +07:00
|
|
|
};
|
|
|
|
|
2011-04-04 18:48:13 +07:00
|
|
|
static ssize_t dapm_bias_read_file(struct file *file, char __user *user_buf,
|
|
|
|
size_t count, loff_t *ppos)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_context *dapm = file->private_data;
|
|
|
|
char *level;
|
|
|
|
|
|
|
|
switch (dapm->bias_level) {
|
|
|
|
case SND_SOC_BIAS_ON:
|
|
|
|
level = "On\n";
|
|
|
|
break;
|
|
|
|
case SND_SOC_BIAS_PREPARE:
|
|
|
|
level = "Prepare\n";
|
|
|
|
break;
|
|
|
|
case SND_SOC_BIAS_STANDBY:
|
|
|
|
level = "Standby\n";
|
|
|
|
break;
|
|
|
|
case SND_SOC_BIAS_OFF:
|
|
|
|
level = "Off\n";
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
BUG();
|
|
|
|
level = "Unknown\n";
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return simple_read_from_buffer(user_buf, count, ppos, level,
|
|
|
|
strlen(level));
|
|
|
|
}
|
|
|
|
|
|
|
|
static const struct file_operations dapm_bias_fops = {
|
2012-04-06 04:25:11 +07:00
|
|
|
.open = simple_open,
|
2011-04-04 18:48:13 +07:00
|
|
|
.read = dapm_bias_read_file,
|
|
|
|
.llseek = default_llseek,
|
|
|
|
};
|
|
|
|
|
2011-05-01 00:45:48 +07:00
|
|
|
void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm,
|
|
|
|
struct dentry *parent)
|
2009-08-21 22:38:13 +07:00
|
|
|
{
|
|
|
|
struct dentry *d;
|
|
|
|
|
2011-05-01 00:45:48 +07:00
|
|
|
dapm->debugfs_dapm = debugfs_create_dir("dapm", parent);
|
|
|
|
|
|
|
|
if (!dapm->debugfs_dapm) {
|
2012-03-07 01:13:25 +07:00
|
|
|
dev_warn(dapm->dev,
|
2012-11-19 21:39:12 +07:00
|
|
|
"ASoC: Failed to create DAPM debugfs directory\n");
|
2009-08-21 22:38:13 +07:00
|
|
|
return;
|
2011-05-01 00:45:48 +07:00
|
|
|
}
|
2009-08-21 22:38:13 +07:00
|
|
|
|
2011-04-04 18:48:13 +07:00
|
|
|
d = debugfs_create_file("bias_level", 0444,
|
|
|
|
dapm->debugfs_dapm, dapm,
|
|
|
|
&dapm_bias_fops);
|
|
|
|
if (!d)
|
|
|
|
dev_warn(dapm->dev,
|
|
|
|
"ASoC: Failed to create bias level debugfs file\n");
|
2011-05-01 00:45:49 +07:00
|
|
|
}
|
2011-04-04 18:48:13 +07:00
|
|
|
|
2011-05-01 00:45:49 +07:00
|
|
|
static void dapm_debugfs_add_widget(struct snd_soc_dapm_widget *w)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_context *dapm = w->dapm;
|
|
|
|
struct dentry *d;
|
2009-08-21 22:38:13 +07:00
|
|
|
|
2011-05-01 00:45:49 +07:00
|
|
|
if (!dapm->debugfs_dapm || !w->name)
|
|
|
|
return;
|
|
|
|
|
|
|
|
d = debugfs_create_file(w->name, 0444,
|
|
|
|
dapm->debugfs_dapm, w,
|
|
|
|
&dapm_widget_power_fops);
|
|
|
|
if (!d)
|
|
|
|
dev_warn(w->dapm->dev,
|
|
|
|
"ASoC: Failed to create %s debugfs file\n",
|
|
|
|
w->name);
|
2009-08-21 22:38:13 +07:00
|
|
|
}
|
2011-05-01 00:45:49 +07:00
|
|
|
|
2011-05-01 00:45:50 +07:00
|
|
|
static void dapm_debugfs_cleanup(struct snd_soc_dapm_context *dapm)
|
|
|
|
{
|
|
|
|
debugfs_remove_recursive(dapm->debugfs_dapm);
|
|
|
|
}
|
|
|
|
|
2009-08-21 22:38:13 +07:00
|
|
|
#else
|
2011-05-01 00:45:48 +07:00
|
|
|
void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm,
|
|
|
|
struct dentry *parent)
|
2009-08-21 22:38:13 +07:00
|
|
|
{
|
|
|
|
}
|
2011-05-01 00:45:49 +07:00
|
|
|
|
|
|
|
static inline void dapm_debugfs_add_widget(struct snd_soc_dapm_widget *w)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
2011-05-01 00:45:50 +07:00
|
|
|
static inline void dapm_debugfs_cleanup(struct snd_soc_dapm_context *dapm)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
2009-08-21 22:38:13 +07:00
|
|
|
#endif
|
|
|
|
|
2006-10-06 23:32:18 +07:00
|
|
|
/* test and update the power status of a mux widget */
|
2012-03-07 17:38:27 +07:00
|
|
|
static int soc_dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
|
2012-02-06 23:05:14 +07:00
|
|
|
struct snd_kcontrol *kcontrol, int mux, struct soc_enum *e)
|
2006-10-06 23:32:18 +07:00
|
|
|
{
|
|
|
|
struct snd_soc_dapm_path *path;
|
|
|
|
int found = 0;
|
|
|
|
|
2009-01-15 19:40:47 +07:00
|
|
|
if (widget->id != snd_soc_dapm_mux &&
|
2010-12-16 22:53:39 +07:00
|
|
|
widget->id != snd_soc_dapm_virt_mux &&
|
2009-01-15 19:40:47 +07:00
|
|
|
widget->id != snd_soc_dapm_value_mux)
|
2006-10-06 23:32:18 +07:00
|
|
|
return -ENODEV;
|
|
|
|
|
|
|
|
/* find dapm widget path assoc with kcontrol */
|
2010-12-14 17:18:30 +07:00
|
|
|
list_for_each_entry(path, &widget->dapm->card->paths, list) {
|
2006-10-06 23:32:18 +07:00
|
|
|
if (path->kcontrol != kcontrol)
|
|
|
|
continue;
|
|
|
|
|
2008-10-07 07:05:20 +07:00
|
|
|
if (!path->name || !e->texts[mux])
|
2006-10-06 23:32:18 +07:00
|
|
|
continue;
|
|
|
|
|
|
|
|
found = 1;
|
|
|
|
/* we now need to match the string in the enum to the path */
|
2011-10-04 03:06:40 +07:00
|
|
|
if (!(strcmp(path->name, e->texts[mux]))) {
|
2006-10-06 23:32:18 +07:00
|
|
|
path->connect = 1; /* new connection */
|
2011-10-05 04:28:08 +07:00
|
|
|
dapm_mark_dirty(path->source, "mux connection");
|
2011-10-04 03:06:40 +07:00
|
|
|
} else {
|
|
|
|
if (path->connect)
|
2011-10-05 04:28:08 +07:00
|
|
|
dapm_mark_dirty(path->source,
|
|
|
|
"mux disconnection");
|
2006-10-06 23:32:18 +07:00
|
|
|
path->connect = 0; /* old connection must be powered down */
|
2011-10-04 03:06:40 +07:00
|
|
|
}
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
|
|
|
|
2011-10-04 03:06:40 +07:00
|
|
|
if (found) {
|
2011-10-05 04:28:08 +07:00
|
|
|
dapm_mark_dirty(widget, "mux change");
|
2010-11-05 20:53:46 +07:00
|
|
|
dapm_power_widgets(widget->dapm, SND_SOC_DAPM_STREAM_NOP);
|
2011-10-04 03:06:40 +07:00
|
|
|
}
|
2006-10-06 23:32:18 +07:00
|
|
|
|
2012-04-25 18:12:51 +07:00
|
|
|
return found;
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
2012-03-07 17:38:27 +07:00
|
|
|
|
|
|
|
int snd_soc_dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
|
|
|
|
struct snd_kcontrol *kcontrol, int mux, struct soc_enum *e)
|
|
|
|
{
|
|
|
|
struct snd_soc_card *card = widget->dapm->card;
|
|
|
|
int ret;
|
|
|
|
|
2012-03-09 19:02:08 +07:00
|
|
|
mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
|
2012-03-07 17:38:27 +07:00
|
|
|
ret = soc_dapm_mux_update_power(widget, kcontrol, mux, e);
|
|
|
|
mutex_unlock(&card->dapm_mutex);
|
2012-04-25 18:12:51 +07:00
|
|
|
if (ret > 0)
|
|
|
|
soc_dpcm_runtime_update(widget);
|
2012-03-07 17:38:27 +07:00
|
|
|
return ret;
|
|
|
|
}
|
2012-02-06 23:05:14 +07:00
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_mux_update_power);
|
2006-10-06 23:32:18 +07:00
|
|
|
|
2008-01-10 20:39:46 +07:00
|
|
|
/* test and update the power status of a mixer or switch widget */
|
2012-03-07 17:38:27 +07:00
|
|
|
static int soc_dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
|
2009-12-08 01:09:03 +07:00
|
|
|
struct snd_kcontrol *kcontrol, int connect)
|
2006-10-06 23:32:18 +07:00
|
|
|
{
|
|
|
|
struct snd_soc_dapm_path *path;
|
|
|
|
int found = 0;
|
|
|
|
|
2008-01-10 20:39:46 +07:00
|
|
|
if (widget->id != snd_soc_dapm_mixer &&
|
2009-01-07 03:11:51 +07:00
|
|
|
widget->id != snd_soc_dapm_mixer_named_ctl &&
|
2008-01-10 20:39:46 +07:00
|
|
|
widget->id != snd_soc_dapm_switch)
|
2006-10-06 23:32:18 +07:00
|
|
|
return -ENODEV;
|
|
|
|
|
|
|
|
/* find dapm widget path assoc with kcontrol */
|
2010-12-14 17:18:30 +07:00
|
|
|
list_for_each_entry(path, &widget->dapm->card->paths, list) {
|
2006-10-06 23:32:18 +07:00
|
|
|
if (path->kcontrol != kcontrol)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
/* found, now check type */
|
|
|
|
found = 1;
|
2009-12-08 01:09:03 +07:00
|
|
|
path->connect = connect;
|
2011-10-05 04:28:08 +07:00
|
|
|
dapm_mark_dirty(path->source, "mixer connection");
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
|
|
|
|
2011-10-04 03:06:40 +07:00
|
|
|
if (found) {
|
2011-10-05 04:28:08 +07:00
|
|
|
dapm_mark_dirty(widget, "mixer update");
|
2010-11-05 20:53:46 +07:00
|
|
|
dapm_power_widgets(widget->dapm, SND_SOC_DAPM_STREAM_NOP);
|
2011-10-04 03:06:40 +07:00
|
|
|
}
|
2006-10-06 23:32:18 +07:00
|
|
|
|
2012-04-25 18:12:51 +07:00
|
|
|
return found;
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
2012-03-07 17:38:27 +07:00
|
|
|
|
|
|
|
int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
|
|
|
|
struct snd_kcontrol *kcontrol, int connect)
|
|
|
|
{
|
|
|
|
struct snd_soc_card *card = widget->dapm->card;
|
|
|
|
int ret;
|
|
|
|
|
2012-03-09 19:02:08 +07:00
|
|
|
mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
|
2012-03-07 17:38:27 +07:00
|
|
|
ret = soc_dapm_mixer_update_power(widget, kcontrol, connect);
|
|
|
|
mutex_unlock(&card->dapm_mutex);
|
2012-04-25 18:12:51 +07:00
|
|
|
if (ret > 0)
|
|
|
|
soc_dpcm_runtime_update(widget);
|
2012-03-07 17:38:27 +07:00
|
|
|
return ret;
|
|
|
|
}
|
2012-02-06 23:05:14 +07:00
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_mixer_update_power);
|
2006-10-06 23:32:18 +07:00
|
|
|
|
|
|
|
/* show dapm widget status in sys fs */
|
|
|
|
static ssize_t dapm_widget_show(struct device *dev,
|
|
|
|
struct device_attribute *attr, char *buf)
|
|
|
|
{
|
2012-01-07 08:12:45 +07:00
|
|
|
struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev);
|
2010-03-18 03:15:21 +07:00
|
|
|
struct snd_soc_codec *codec =rtd->codec;
|
2006-10-06 23:32:18 +07:00
|
|
|
struct snd_soc_dapm_widget *w;
|
|
|
|
int count = 0;
|
|
|
|
char *state = "not set";
|
|
|
|
|
2010-12-14 17:18:31 +07:00
|
|
|
list_for_each_entry(w, &codec->card->widgets, list) {
|
|
|
|
if (w->dapm != &codec->dapm)
|
|
|
|
continue;
|
2006-10-06 23:32:18 +07:00
|
|
|
|
|
|
|
/* only display widgets that burnm power */
|
|
|
|
switch (w->id) {
|
|
|
|
case snd_soc_dapm_hp:
|
|
|
|
case snd_soc_dapm_mic:
|
|
|
|
case snd_soc_dapm_spk:
|
|
|
|
case snd_soc_dapm_line:
|
|
|
|
case snd_soc_dapm_micbias:
|
|
|
|
case snd_soc_dapm_dac:
|
|
|
|
case snd_soc_dapm_adc:
|
|
|
|
case snd_soc_dapm_pga:
|
2010-12-11 10:11:44 +07:00
|
|
|
case snd_soc_dapm_out_drv:
|
2006-10-06 23:32:18 +07:00
|
|
|
case snd_soc_dapm_mixer:
|
2009-01-07 03:11:51 +07:00
|
|
|
case snd_soc_dapm_mixer_named_ctl:
|
2009-04-23 00:24:55 +07:00
|
|
|
case snd_soc_dapm_supply:
|
2012-01-22 04:14:48 +07:00
|
|
|
case snd_soc_dapm_regulator_supply:
|
2012-05-24 20:26:25 +07:00
|
|
|
case snd_soc_dapm_clock_supply:
|
2006-10-06 23:32:18 +07:00
|
|
|
if (w->name)
|
|
|
|
count += sprintf(buf + count, "%s: %s\n",
|
|
|
|
w->name, w->power ? "On":"Off");
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2010-11-05 20:53:46 +07:00
|
|
|
switch (codec->dapm.bias_level) {
|
2008-05-19 17:31:28 +07:00
|
|
|
case SND_SOC_BIAS_ON:
|
|
|
|
state = "On";
|
2006-10-06 23:32:18 +07:00
|
|
|
break;
|
2008-05-19 17:31:28 +07:00
|
|
|
case SND_SOC_BIAS_PREPARE:
|
|
|
|
state = "Prepare";
|
2006-10-06 23:32:18 +07:00
|
|
|
break;
|
2008-05-19 17:31:28 +07:00
|
|
|
case SND_SOC_BIAS_STANDBY:
|
|
|
|
state = "Standby";
|
2006-10-06 23:32:18 +07:00
|
|
|
break;
|
2008-05-19 17:31:28 +07:00
|
|
|
case SND_SOC_BIAS_OFF:
|
|
|
|
state = "Off";
|
2006-10-06 23:32:18 +07:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
count += sprintf(buf + count, "PM State: %s\n", state);
|
|
|
|
|
|
|
|
return count;
|
|
|
|
}
|
|
|
|
|
|
|
|
static DEVICE_ATTR(dapm_widget, 0444, dapm_widget_show, NULL);
|
|
|
|
|
|
|
|
int snd_soc_dapm_sys_add(struct device *dev)
|
|
|
|
{
|
2008-10-14 07:42:14 +07:00
|
|
|
return device_create_file(dev, &dev_attr_dapm_widget);
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
|
|
|
|
|
|
|
static void snd_soc_dapm_sys_remove(struct device *dev)
|
|
|
|
{
|
2009-05-16 23:53:16 +07:00
|
|
|
device_remove_file(dev, &dev_attr_dapm_widget);
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
|
|
|
|
|
|
|
/* free all dapm widgets and resources */
|
2010-11-05 20:53:46 +07:00
|
|
|
static void dapm_free_widgets(struct snd_soc_dapm_context *dapm)
|
2006-10-06 23:32:18 +07:00
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *w, *next_w;
|
|
|
|
struct snd_soc_dapm_path *p, *next_p;
|
|
|
|
|
2010-12-14 17:18:31 +07:00
|
|
|
list_for_each_entry_safe(w, next_w, &dapm->card->widgets, list) {
|
|
|
|
if (w->dapm != dapm)
|
|
|
|
continue;
|
2006-10-06 23:32:18 +07:00
|
|
|
list_del(&w->list);
|
2010-12-14 17:18:30 +07:00
|
|
|
/*
|
|
|
|
* remove source and sink paths associated to this widget.
|
|
|
|
* While removing the path, remove reference to it from both
|
|
|
|
* source and sink widgets so that path is removed only once.
|
|
|
|
*/
|
|
|
|
list_for_each_entry_safe(p, next_p, &w->sources, list_sink) {
|
|
|
|
list_del(&p->list_sink);
|
|
|
|
list_del(&p->list_source);
|
|
|
|
list_del(&p->list);
|
|
|
|
kfree(p->long_name);
|
|
|
|
kfree(p);
|
|
|
|
}
|
|
|
|
list_for_each_entry_safe(p, next_p, &w->sinks, list_source) {
|
|
|
|
list_del(&p->list_sink);
|
|
|
|
list_del(&p->list_source);
|
|
|
|
list_del(&p->list);
|
|
|
|
kfree(p->long_name);
|
|
|
|
kfree(p);
|
|
|
|
}
|
2011-04-29 06:37:59 +07:00
|
|
|
kfree(w->kcontrols);
|
ASoC: Add optional name_prefix for codec kcontrol, widget and route names
There is a need to prefix codec kcontrol, widget and internal route names in
an ASoC machine that has multiple codecs with conflicting names. The name
collision would occur when codec drivers try to registering kcontrols with
the same name or when building audio paths.
This patch introduces optional prefix_map into struct snd_soc_card. With it
machine drivers can specify a unique name prefix to each codec that have
conflicting names with anothers. Prefix to codec is matched with codec
name.
Following example illustrates a machine that has two same codec instances.
Name collision from kcontrol registration is avoided by specifying a name
prefix "foo" for the second codec. As the codec widget names are prefixed
then second audio map for that codec shows a prefixed widget name.
static const struct snd_soc_dapm_route map0[] = {
{"Spk", NULL, "MONO"},
};
static const struct snd_soc_dapm_route map1[] = {
{"Vibra", NULL, "foo MONO"},
};
static struct snd_soc_prefix_map codec_prefix[] = {
{
.dev_name = "codec.2",
.name_prefix = "foo",
},
};
static struct snd_soc_card card = {
...
.prefix_map = codec_prefix,
.num_prefixes = ARRAY_SIZE(codec_prefix),
};
Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2010-11-14 01:40:44 +07:00
|
|
|
kfree(w->name);
|
2006-10-06 23:32:18 +07:00
|
|
|
kfree(w);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2011-04-27 23:34:31 +07:00
|
|
|
static struct snd_soc_dapm_widget *dapm_find_widget(
|
|
|
|
struct snd_soc_dapm_context *dapm, const char *pin,
|
|
|
|
bool search_other_contexts)
|
2008-07-07 19:35:17 +07:00
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *w;
|
2011-04-27 23:34:31 +07:00
|
|
|
struct snd_soc_dapm_widget *fallback = NULL;
|
2008-07-07 19:35:17 +07:00
|
|
|
|
2010-12-14 17:18:31 +07:00
|
|
|
list_for_each_entry(w, &dapm->card->widgets, list) {
|
2008-07-07 19:35:17 +07:00
|
|
|
if (!strcmp(w->name, pin)) {
|
2011-04-27 23:34:31 +07:00
|
|
|
if (w->dapm == dapm)
|
|
|
|
return w;
|
|
|
|
else
|
|
|
|
fallback = w;
|
2008-07-07 19:35:17 +07:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2011-04-27 23:34:31 +07:00
|
|
|
if (search_other_contexts)
|
|
|
|
return fallback;
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int snd_soc_dapm_set_pin(struct snd_soc_dapm_context *dapm,
|
|
|
|
const char *pin, int status)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *w = dapm_find_widget(dapm, pin, true);
|
|
|
|
|
|
|
|
if (!w) {
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_err(dapm->dev, "ASoC: DAPM unknown pin %s\n", pin);
|
2011-04-27 23:34:31 +07:00
|
|
|
return -EINVAL;
|
2011-04-06 09:38:14 +07:00
|
|
|
}
|
|
|
|
|
2012-02-17 02:50:07 +07:00
|
|
|
if (w->connected != status)
|
|
|
|
dapm_mark_dirty(w, "pin configuration");
|
|
|
|
|
2011-04-27 23:34:31 +07:00
|
|
|
w->connected = status;
|
|
|
|
if (status == 0)
|
|
|
|
w->force = 0;
|
|
|
|
|
|
|
|
return 0;
|
2008-07-07 19:35:17 +07:00
|
|
|
}
|
|
|
|
|
2006-10-06 23:32:18 +07:00
|
|
|
/**
|
2008-07-07 19:35:17 +07:00
|
|
|
* snd_soc_dapm_sync - scan and power dapm paths
|
2010-11-05 20:53:46 +07:00
|
|
|
* @dapm: DAPM context
|
2006-10-06 23:32:18 +07:00
|
|
|
*
|
|
|
|
* Walks all dapm audio paths and powers widgets according to their
|
|
|
|
* stream or path usage.
|
|
|
|
*
|
|
|
|
* Returns 0 for success.
|
|
|
|
*/
|
2010-11-05 20:53:46 +07:00
|
|
|
int snd_soc_dapm_sync(struct snd_soc_dapm_context *dapm)
|
2006-10-06 23:32:18 +07:00
|
|
|
{
|
2012-03-07 17:38:26 +07:00
|
|
|
int ret;
|
|
|
|
|
2011-10-07 20:29:19 +07:00
|
|
|
/*
|
|
|
|
* Suppress early reports (eg, jacks syncing their state) to avoid
|
|
|
|
* silly DAPM runs during card startup.
|
|
|
|
*/
|
|
|
|
if (!dapm->card || !dapm->card->instantiated)
|
|
|
|
return 0;
|
|
|
|
|
2012-03-09 19:02:08 +07:00
|
|
|
mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
|
2012-03-07 17:38:26 +07:00
|
|
|
ret = dapm_power_widgets(dapm, SND_SOC_DAPM_STREAM_NOP);
|
|
|
|
mutex_unlock(&dapm->card->dapm_mutex);
|
|
|
|
return ret;
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
2008-07-07 19:35:17 +07:00
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_sync);
|
2006-10-06 23:32:18 +07:00
|
|
|
|
2010-11-05 20:53:46 +07:00
|
|
|
static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm,
|
2009-09-09 00:59:05 +07:00
|
|
|
const struct snd_soc_dapm_route *route)
|
2006-10-06 23:32:18 +07:00
|
|
|
{
|
|
|
|
struct snd_soc_dapm_path *path;
|
|
|
|
struct snd_soc_dapm_widget *wsource = NULL, *wsink = NULL, *w;
|
2010-12-14 17:18:31 +07:00
|
|
|
struct snd_soc_dapm_widget *wtsource = NULL, *wtsink = NULL;
|
ASoC: Add optional name_prefix for codec kcontrol, widget and route names
There is a need to prefix codec kcontrol, widget and internal route names in
an ASoC machine that has multiple codecs with conflicting names. The name
collision would occur when codec drivers try to registering kcontrols with
the same name or when building audio paths.
This patch introduces optional prefix_map into struct snd_soc_card. With it
machine drivers can specify a unique name prefix to each codec that have
conflicting names with anothers. Prefix to codec is matched with codec
name.
Following example illustrates a machine that has two same codec instances.
Name collision from kcontrol registration is avoided by specifying a name
prefix "foo" for the second codec. As the codec widget names are prefixed
then second audio map for that codec shows a prefixed widget name.
static const struct snd_soc_dapm_route map0[] = {
{"Spk", NULL, "MONO"},
};
static const struct snd_soc_dapm_route map1[] = {
{"Vibra", NULL, "foo MONO"},
};
static struct snd_soc_prefix_map codec_prefix[] = {
{
.dev_name = "codec.2",
.name_prefix = "foo",
},
};
static struct snd_soc_card card = {
...
.prefix_map = codec_prefix,
.num_prefixes = ARRAY_SIZE(codec_prefix),
};
Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2010-11-14 01:40:44 +07:00
|
|
|
const char *sink;
|
2009-09-09 00:59:05 +07:00
|
|
|
const char *control = route->control;
|
ASoC: Add optional name_prefix for codec kcontrol, widget and route names
There is a need to prefix codec kcontrol, widget and internal route names in
an ASoC machine that has multiple codecs with conflicting names. The name
collision would occur when codec drivers try to registering kcontrols with
the same name or when building audio paths.
This patch introduces optional prefix_map into struct snd_soc_card. With it
machine drivers can specify a unique name prefix to each codec that have
conflicting names with anothers. Prefix to codec is matched with codec
name.
Following example illustrates a machine that has two same codec instances.
Name collision from kcontrol registration is avoided by specifying a name
prefix "foo" for the second codec. As the codec widget names are prefixed
then second audio map for that codec shows a prefixed widget name.
static const struct snd_soc_dapm_route map0[] = {
{"Spk", NULL, "MONO"},
};
static const struct snd_soc_dapm_route map1[] = {
{"Vibra", NULL, "foo MONO"},
};
static struct snd_soc_prefix_map codec_prefix[] = {
{
.dev_name = "codec.2",
.name_prefix = "foo",
},
};
static struct snd_soc_card card = {
...
.prefix_map = codec_prefix,
.num_prefixes = ARRAY_SIZE(codec_prefix),
};
Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2010-11-14 01:40:44 +07:00
|
|
|
const char *source;
|
|
|
|
char prefixed_sink[80];
|
|
|
|
char prefixed_source[80];
|
2006-10-06 23:32:18 +07:00
|
|
|
int ret = 0;
|
|
|
|
|
2011-03-03 01:18:24 +07:00
|
|
|
if (dapm->codec && dapm->codec->name_prefix) {
|
ASoC: Add optional name_prefix for codec kcontrol, widget and route names
There is a need to prefix codec kcontrol, widget and internal route names in
an ASoC machine that has multiple codecs with conflicting names. The name
collision would occur when codec drivers try to registering kcontrols with
the same name or when building audio paths.
This patch introduces optional prefix_map into struct snd_soc_card. With it
machine drivers can specify a unique name prefix to each codec that have
conflicting names with anothers. Prefix to codec is matched with codec
name.
Following example illustrates a machine that has two same codec instances.
Name collision from kcontrol registration is avoided by specifying a name
prefix "foo" for the second codec. As the codec widget names are prefixed
then second audio map for that codec shows a prefixed widget name.
static const struct snd_soc_dapm_route map0[] = {
{"Spk", NULL, "MONO"},
};
static const struct snd_soc_dapm_route map1[] = {
{"Vibra", NULL, "foo MONO"},
};
static struct snd_soc_prefix_map codec_prefix[] = {
{
.dev_name = "codec.2",
.name_prefix = "foo",
},
};
static struct snd_soc_card card = {
...
.prefix_map = codec_prefix,
.num_prefixes = ARRAY_SIZE(codec_prefix),
};
Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2010-11-14 01:40:44 +07:00
|
|
|
snprintf(prefixed_sink, sizeof(prefixed_sink), "%s %s",
|
|
|
|
dapm->codec->name_prefix, route->sink);
|
|
|
|
sink = prefixed_sink;
|
|
|
|
snprintf(prefixed_source, sizeof(prefixed_source), "%s %s",
|
|
|
|
dapm->codec->name_prefix, route->source);
|
|
|
|
source = prefixed_source;
|
|
|
|
} else {
|
|
|
|
sink = route->sink;
|
|
|
|
source = route->source;
|
|
|
|
}
|
|
|
|
|
2010-12-14 17:18:31 +07:00
|
|
|
/*
|
|
|
|
* find src and dest widgets over all widgets but favor a widget from
|
|
|
|
* current DAPM context
|
|
|
|
*/
|
|
|
|
list_for_each_entry(w, &dapm->card->widgets, list) {
|
2006-10-06 23:32:18 +07:00
|
|
|
if (!wsink && !(strcmp(w->name, sink))) {
|
2010-12-14 17:18:31 +07:00
|
|
|
wtsink = w;
|
|
|
|
if (w->dapm == dapm)
|
|
|
|
wsink = w;
|
2006-10-06 23:32:18 +07:00
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (!wsource && !(strcmp(w->name, source))) {
|
2010-12-14 17:18:31 +07:00
|
|
|
wtsource = w;
|
|
|
|
if (w->dapm == dapm)
|
|
|
|
wsource = w;
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
|
|
|
}
|
2010-12-14 17:18:31 +07:00
|
|
|
/* use widget from another DAPM context if not found from this */
|
|
|
|
if (!wsink)
|
|
|
|
wsink = wtsink;
|
|
|
|
if (!wsource)
|
|
|
|
wsource = wtsource;
|
2006-10-06 23:32:18 +07:00
|
|
|
|
2012-11-19 21:39:12 +07:00
|
|
|
if (wsource == NULL) {
|
|
|
|
dev_err(dapm->dev, "ASoC: no source widget found for %s\n",
|
|
|
|
route->source);
|
2006-10-06 23:32:18 +07:00
|
|
|
return -ENODEV;
|
2012-11-19 21:39:12 +07:00
|
|
|
}
|
|
|
|
if (wsink == NULL) {
|
|
|
|
dev_err(dapm->dev, "ASoC: no sink widget found for %s\n",
|
|
|
|
route->sink);
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
2006-10-06 23:32:18 +07:00
|
|
|
|
|
|
|
path = kzalloc(sizeof(struct snd_soc_dapm_path), GFP_KERNEL);
|
|
|
|
if (!path)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
path->source = wsource;
|
|
|
|
path->sink = wsink;
|
2009-09-09 00:59:05 +07:00
|
|
|
path->connected = route->connected;
|
2006-10-06 23:32:18 +07:00
|
|
|
INIT_LIST_HEAD(&path->list);
|
|
|
|
INIT_LIST_HEAD(&path->list_source);
|
|
|
|
INIT_LIST_HEAD(&path->list_sink);
|
|
|
|
|
|
|
|
/* check for external widgets */
|
|
|
|
if (wsink->id == snd_soc_dapm_input) {
|
|
|
|
if (wsource->id == snd_soc_dapm_micbias ||
|
|
|
|
wsource->id == snd_soc_dapm_mic ||
|
2009-07-11 02:13:30 +07:00
|
|
|
wsource->id == snd_soc_dapm_line ||
|
|
|
|
wsource->id == snd_soc_dapm_output)
|
2006-10-06 23:32:18 +07:00
|
|
|
wsink->ext = 1;
|
|
|
|
}
|
|
|
|
if (wsource->id == snd_soc_dapm_output) {
|
|
|
|
if (wsink->id == snd_soc_dapm_spk ||
|
|
|
|
wsink->id == snd_soc_dapm_hp ||
|
2007-04-16 20:36:42 +07:00
|
|
|
wsink->id == snd_soc_dapm_line ||
|
|
|
|
wsink->id == snd_soc_dapm_input)
|
2006-10-06 23:32:18 +07:00
|
|
|
wsource->ext = 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* connect static paths */
|
|
|
|
if (control == NULL) {
|
2010-12-14 17:18:30 +07:00
|
|
|
list_add(&path->list, &dapm->card->paths);
|
2006-10-06 23:32:18 +07:00
|
|
|
list_add(&path->list_sink, &wsink->sources);
|
|
|
|
list_add(&path->list_source, &wsource->sinks);
|
|
|
|
path->connect = 1;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* connect dynamic paths */
|
2011-04-20 15:00:36 +07:00
|
|
|
switch (wsink->id) {
|
2006-10-06 23:32:18 +07:00
|
|
|
case snd_soc_dapm_adc:
|
|
|
|
case snd_soc_dapm_dac:
|
|
|
|
case snd_soc_dapm_pga:
|
2010-12-11 10:11:44 +07:00
|
|
|
case snd_soc_dapm_out_drv:
|
2006-10-06 23:32:18 +07:00
|
|
|
case snd_soc_dapm_input:
|
|
|
|
case snd_soc_dapm_output:
|
2011-11-27 23:21:51 +07:00
|
|
|
case snd_soc_dapm_siggen:
|
2006-10-06 23:32:18 +07:00
|
|
|
case snd_soc_dapm_micbias:
|
|
|
|
case snd_soc_dapm_vmid:
|
|
|
|
case snd_soc_dapm_pre:
|
|
|
|
case snd_soc_dapm_post:
|
2009-04-23 00:24:55 +07:00
|
|
|
case snd_soc_dapm_supply:
|
2012-01-22 04:14:48 +07:00
|
|
|
case snd_soc_dapm_regulator_supply:
|
2012-05-24 20:26:25 +07:00
|
|
|
case snd_soc_dapm_clock_supply:
|
2009-08-17 23:39:22 +07:00
|
|
|
case snd_soc_dapm_aif_in:
|
|
|
|
case snd_soc_dapm_aif_out:
|
2012-02-17 10:37:51 +07:00
|
|
|
case snd_soc_dapm_dai:
|
2012-04-05 04:12:09 +07:00
|
|
|
case snd_soc_dapm_dai_link:
|
2010-12-14 17:18:30 +07:00
|
|
|
list_add(&path->list, &dapm->card->paths);
|
2006-10-06 23:32:18 +07:00
|
|
|
list_add(&path->list_sink, &wsink->sources);
|
|
|
|
list_add(&path->list_source, &wsource->sinks);
|
|
|
|
path->connect = 1;
|
|
|
|
return 0;
|
|
|
|
case snd_soc_dapm_mux:
|
2010-12-16 22:53:39 +07:00
|
|
|
case snd_soc_dapm_virt_mux:
|
2009-01-08 18:34:29 +07:00
|
|
|
case snd_soc_dapm_value_mux:
|
2010-11-05 20:53:46 +07:00
|
|
|
ret = dapm_connect_mux(dapm, wsource, wsink, path, control,
|
2011-04-29 06:37:58 +07:00
|
|
|
&wsink->kcontrol_news[0]);
|
2006-10-06 23:32:18 +07:00
|
|
|
if (ret != 0)
|
|
|
|
goto err;
|
|
|
|
break;
|
|
|
|
case snd_soc_dapm_switch:
|
|
|
|
case snd_soc_dapm_mixer:
|
2009-01-07 03:11:51 +07:00
|
|
|
case snd_soc_dapm_mixer_named_ctl:
|
2010-11-05 20:53:46 +07:00
|
|
|
ret = dapm_connect_mixer(dapm, wsource, wsink, path, control);
|
2006-10-06 23:32:18 +07:00
|
|
|
if (ret != 0)
|
|
|
|
goto err;
|
|
|
|
break;
|
|
|
|
case snd_soc_dapm_hp:
|
|
|
|
case snd_soc_dapm_mic:
|
|
|
|
case snd_soc_dapm_line:
|
|
|
|
case snd_soc_dapm_spk:
|
2010-12-14 17:18:30 +07:00
|
|
|
list_add(&path->list, &dapm->card->paths);
|
2006-10-06 23:32:18 +07:00
|
|
|
list_add(&path->list_sink, &wsink->sources);
|
|
|
|
list_add(&path->list_source, &wsource->sinks);
|
|
|
|
path->connect = 0;
|
|
|
|
return 0;
|
|
|
|
}
|
2012-07-05 23:20:06 +07:00
|
|
|
|
|
|
|
dapm_mark_dirty(wsource, "Route added");
|
|
|
|
dapm_mark_dirty(wsink, "Route added");
|
|
|
|
|
2006-10-06 23:32:18 +07:00
|
|
|
return 0;
|
|
|
|
|
|
|
|
err:
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_warn(dapm->dev, "ASoC: no dapm match for %s --> %s --> %s\n",
|
2010-11-09 19:40:27 +07:00
|
|
|
source, control, sink);
|
2006-10-06 23:32:18 +07:00
|
|
|
kfree(path);
|
|
|
|
return ret;
|
|
|
|
}
|
2008-05-13 19:52:19 +07:00
|
|
|
|
2012-07-05 23:24:19 +07:00
|
|
|
static int snd_soc_dapm_del_route(struct snd_soc_dapm_context *dapm,
|
|
|
|
const struct snd_soc_dapm_route *route)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_path *path, *p;
|
|
|
|
const char *sink;
|
|
|
|
const char *source;
|
|
|
|
char prefixed_sink[80];
|
|
|
|
char prefixed_source[80];
|
|
|
|
|
|
|
|
if (route->control) {
|
|
|
|
dev_err(dapm->dev,
|
2012-11-19 21:39:12 +07:00
|
|
|
"ASoC: Removal of routes with controls not supported\n");
|
2012-07-05 23:24:19 +07:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (dapm->codec && dapm->codec->name_prefix) {
|
|
|
|
snprintf(prefixed_sink, sizeof(prefixed_sink), "%s %s",
|
|
|
|
dapm->codec->name_prefix, route->sink);
|
|
|
|
sink = prefixed_sink;
|
|
|
|
snprintf(prefixed_source, sizeof(prefixed_source), "%s %s",
|
|
|
|
dapm->codec->name_prefix, route->source);
|
|
|
|
source = prefixed_source;
|
|
|
|
} else {
|
|
|
|
sink = route->sink;
|
|
|
|
source = route->source;
|
|
|
|
}
|
|
|
|
|
|
|
|
path = NULL;
|
|
|
|
list_for_each_entry(p, &dapm->card->paths, list) {
|
|
|
|
if (strcmp(p->source->name, source) != 0)
|
|
|
|
continue;
|
|
|
|
if (strcmp(p->sink->name, sink) != 0)
|
|
|
|
continue;
|
|
|
|
path = p;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (path) {
|
|
|
|
dapm_mark_dirty(path->source, "Route removed");
|
|
|
|
dapm_mark_dirty(path->sink, "Route removed");
|
|
|
|
|
|
|
|
list_del(&path->list);
|
|
|
|
list_del(&path->list_sink);
|
|
|
|
list_del(&path->list_source);
|
|
|
|
kfree(path);
|
|
|
|
} else {
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_warn(dapm->dev, "ASoC: Route %s->%s does not exist\n",
|
2012-07-05 23:24:19 +07:00
|
|
|
source, sink);
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2008-05-13 19:52:19 +07:00
|
|
|
/**
|
|
|
|
* snd_soc_dapm_add_routes - Add routes between DAPM widgets
|
2010-11-05 20:53:46 +07:00
|
|
|
* @dapm: DAPM context
|
2008-05-13 19:52:19 +07:00
|
|
|
* @route: audio routes
|
|
|
|
* @num: number of routes
|
|
|
|
*
|
|
|
|
* Connects 2 dapm widgets together via a named audio path. The sink is
|
|
|
|
* the widget receiving the audio signal, whilst the source is the sender
|
|
|
|
* of the audio signal.
|
|
|
|
*
|
|
|
|
* Returns 0 for success else error. On error all resources can be freed
|
|
|
|
* with a call to snd_soc_card_free().
|
|
|
|
*/
|
2010-11-05 20:53:46 +07:00
|
|
|
int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm,
|
2008-05-13 19:52:19 +07:00
|
|
|
const struct snd_soc_dapm_route *route, int num)
|
|
|
|
{
|
2012-06-22 18:21:49 +07:00
|
|
|
int i, r, ret = 0;
|
2008-05-13 19:52:19 +07:00
|
|
|
|
2012-03-07 17:38:26 +07:00
|
|
|
mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT);
|
2008-05-13 19:52:19 +07:00
|
|
|
for (i = 0; i < num; i++) {
|
2012-06-22 18:21:49 +07:00
|
|
|
r = snd_soc_dapm_add_route(dapm, route);
|
|
|
|
if (r < 0) {
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_err(dapm->dev, "ASoC: Failed to add route %s -> %s -> %s\n",
|
|
|
|
route->source,
|
|
|
|
route->control ? route->control : "direct",
|
|
|
|
route->sink);
|
2012-06-22 18:21:49 +07:00
|
|
|
ret = r;
|
2008-05-13 19:52:19 +07:00
|
|
|
}
|
|
|
|
route++;
|
|
|
|
}
|
2012-03-07 17:38:26 +07:00
|
|
|
mutex_unlock(&dapm->card->dapm_mutex);
|
2008-05-13 19:52:19 +07:00
|
|
|
|
2012-04-14 02:25:43 +07:00
|
|
|
return ret;
|
2008-05-13 19:52:19 +07:00
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_add_routes);
|
|
|
|
|
2012-07-05 23:24:19 +07:00
|
|
|
/**
|
|
|
|
* snd_soc_dapm_del_routes - Remove routes between DAPM widgets
|
|
|
|
* @dapm: DAPM context
|
|
|
|
* @route: audio routes
|
|
|
|
* @num: number of routes
|
|
|
|
*
|
|
|
|
* Removes routes from the DAPM context.
|
|
|
|
*/
|
|
|
|
int snd_soc_dapm_del_routes(struct snd_soc_dapm_context *dapm,
|
|
|
|
const struct snd_soc_dapm_route *route, int num)
|
|
|
|
{
|
|
|
|
int i, ret = 0;
|
|
|
|
|
|
|
|
mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT);
|
|
|
|
for (i = 0; i < num; i++) {
|
|
|
|
snd_soc_dapm_del_route(dapm, route);
|
|
|
|
route++;
|
|
|
|
}
|
|
|
|
mutex_unlock(&dapm->card->dapm_mutex);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_del_routes);
|
|
|
|
|
2011-06-13 22:42:29 +07:00
|
|
|
static int snd_soc_dapm_weak_route(struct snd_soc_dapm_context *dapm,
|
|
|
|
const struct snd_soc_dapm_route *route)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *source = dapm_find_widget(dapm,
|
|
|
|
route->source,
|
|
|
|
true);
|
|
|
|
struct snd_soc_dapm_widget *sink = dapm_find_widget(dapm,
|
|
|
|
route->sink,
|
|
|
|
true);
|
|
|
|
struct snd_soc_dapm_path *path;
|
|
|
|
int count = 0;
|
|
|
|
|
|
|
|
if (!source) {
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_err(dapm->dev, "ASoC: Unable to find source %s for weak route\n",
|
2011-06-13 22:42:29 +07:00
|
|
|
route->source);
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!sink) {
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_err(dapm->dev, "ASoC: Unable to find sink %s for weak route\n",
|
2011-06-13 22:42:29 +07:00
|
|
|
route->sink);
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (route->control || route->connected)
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_warn(dapm->dev, "ASoC: Ignoring control for weak route %s->%s\n",
|
2011-06-13 22:42:29 +07:00
|
|
|
route->source, route->sink);
|
|
|
|
|
|
|
|
list_for_each_entry(path, &source->sinks, list_source) {
|
|
|
|
if (path->sink == sink) {
|
|
|
|
path->weak = 1;
|
|
|
|
count++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (count == 0)
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_err(dapm->dev, "ASoC: No path found for weak route %s->%s\n",
|
2011-06-13 22:42:29 +07:00
|
|
|
route->source, route->sink);
|
|
|
|
if (count > 1)
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_warn(dapm->dev, "ASoC: %d paths found for weak route %s->%s\n",
|
2011-06-13 22:42:29 +07:00
|
|
|
count, route->source, route->sink);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* snd_soc_dapm_weak_routes - Mark routes between DAPM widgets as weak
|
|
|
|
* @dapm: DAPM context
|
|
|
|
* @route: audio routes
|
|
|
|
* @num: number of routes
|
|
|
|
*
|
|
|
|
* Mark existing routes matching those specified in the passed array
|
|
|
|
* as being weak, meaning that they are ignored for the purpose of
|
|
|
|
* power decisions. The main intended use case is for sidetone paths
|
|
|
|
* which couple audio between other independent paths if they are both
|
|
|
|
* active in order to make the combination work better at the user
|
|
|
|
* level but which aren't intended to be "used".
|
|
|
|
*
|
|
|
|
* Note that CODEC drivers should not use this as sidetone type paths
|
|
|
|
* can frequently also be used as bypass paths.
|
|
|
|
*/
|
|
|
|
int snd_soc_dapm_weak_routes(struct snd_soc_dapm_context *dapm,
|
|
|
|
const struct snd_soc_dapm_route *route, int num)
|
|
|
|
{
|
|
|
|
int i, err;
|
|
|
|
int ret = 0;
|
|
|
|
|
2012-03-07 17:38:26 +07:00
|
|
|
mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT);
|
2011-06-13 22:42:29 +07:00
|
|
|
for (i = 0; i < num; i++) {
|
|
|
|
err = snd_soc_dapm_weak_route(dapm, route);
|
|
|
|
if (err)
|
|
|
|
ret = err;
|
|
|
|
route++;
|
|
|
|
}
|
2012-03-07 17:38:26 +07:00
|
|
|
mutex_unlock(&dapm->card->dapm_mutex);
|
2011-06-13 22:42:29 +07:00
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_weak_routes);
|
|
|
|
|
2006-10-06 23:32:18 +07:00
|
|
|
/**
|
|
|
|
* snd_soc_dapm_new_widgets - add new dapm widgets
|
2010-11-05 20:53:46 +07:00
|
|
|
* @dapm: DAPM context
|
2006-10-06 23:32:18 +07:00
|
|
|
*
|
|
|
|
* Checks the codec for any new dapm widgets and creates them if found.
|
|
|
|
*
|
|
|
|
* Returns 0 for success.
|
|
|
|
*/
|
2010-11-05 20:53:46 +07:00
|
|
|
int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm)
|
2006-10-06 23:32:18 +07:00
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *w;
|
2011-02-10 01:04:11 +07:00
|
|
|
unsigned int val;
|
2006-10-06 23:32:18 +07:00
|
|
|
|
2012-03-07 17:38:26 +07:00
|
|
|
mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT);
|
|
|
|
|
2010-12-14 17:18:31 +07:00
|
|
|
list_for_each_entry(w, &dapm->card->widgets, list)
|
2006-10-06 23:32:18 +07:00
|
|
|
{
|
|
|
|
if (w->new)
|
|
|
|
continue;
|
|
|
|
|
2011-04-29 06:37:59 +07:00
|
|
|
if (w->num_kcontrols) {
|
|
|
|
w->kcontrols = kzalloc(w->num_kcontrols *
|
|
|
|
sizeof(struct snd_kcontrol *),
|
|
|
|
GFP_KERNEL);
|
2012-03-07 17:38:26 +07:00
|
|
|
if (!w->kcontrols) {
|
|
|
|
mutex_unlock(&dapm->card->dapm_mutex);
|
2011-04-29 06:37:59 +07:00
|
|
|
return -ENOMEM;
|
2012-03-07 17:38:26 +07:00
|
|
|
}
|
2011-04-29 06:37:59 +07:00
|
|
|
}
|
|
|
|
|
2006-10-06 23:32:18 +07:00
|
|
|
switch(w->id) {
|
|
|
|
case snd_soc_dapm_switch:
|
|
|
|
case snd_soc_dapm_mixer:
|
2009-01-07 03:11:51 +07:00
|
|
|
case snd_soc_dapm_mixer_named_ctl:
|
2011-06-09 18:22:36 +07:00
|
|
|
dapm_new_mixer(w);
|
2006-10-06 23:32:18 +07:00
|
|
|
break;
|
|
|
|
case snd_soc_dapm_mux:
|
2010-12-16 22:53:39 +07:00
|
|
|
case snd_soc_dapm_virt_mux:
|
2009-01-05 14:54:57 +07:00
|
|
|
case snd_soc_dapm_value_mux:
|
2011-06-09 18:22:36 +07:00
|
|
|
dapm_new_mux(w);
|
2006-10-06 23:32:18 +07:00
|
|
|
break;
|
|
|
|
case snd_soc_dapm_pga:
|
2010-12-11 10:11:44 +07:00
|
|
|
case snd_soc_dapm_out_drv:
|
2011-06-09 18:22:36 +07:00
|
|
|
dapm_new_pga(w);
|
2006-10-06 23:32:18 +07:00
|
|
|
break;
|
2011-10-08 20:04:50 +07:00
|
|
|
default:
|
2006-10-06 23:32:18 +07:00
|
|
|
break;
|
|
|
|
}
|
2011-02-10 01:04:11 +07:00
|
|
|
|
|
|
|
/* Read the initial power state from the device */
|
|
|
|
if (w->reg >= 0) {
|
2011-06-14 01:37:36 +07:00
|
|
|
val = soc_widget_read(w, w->reg);
|
2011-02-10 01:04:11 +07:00
|
|
|
val &= 1 << w->shift;
|
|
|
|
if (w->invert)
|
|
|
|
val = !val;
|
|
|
|
|
|
|
|
if (val)
|
|
|
|
w->power = 1;
|
|
|
|
}
|
|
|
|
|
2006-10-06 23:32:18 +07:00
|
|
|
w->new = 1;
|
2011-05-01 00:45:49 +07:00
|
|
|
|
2011-10-05 18:09:12 +07:00
|
|
|
dapm_mark_dirty(w, "new widget");
|
2011-05-01 00:45:49 +07:00
|
|
|
dapm_debugfs_add_widget(w);
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
|
|
|
|
2010-11-05 20:53:46 +07:00
|
|
|
dapm_power_widgets(dapm, SND_SOC_DAPM_STREAM_NOP);
|
2012-03-07 17:38:26 +07:00
|
|
|
mutex_unlock(&dapm->card->dapm_mutex);
|
2006-10-06 23:32:18 +07:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_new_widgets);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* snd_soc_dapm_get_volsw - dapm mixer get callback
|
|
|
|
* @kcontrol: mixer control
|
2009-01-01 19:18:17 +07:00
|
|
|
* @ucontrol: control element information
|
2006-10-06 23:32:18 +07:00
|
|
|
*
|
|
|
|
* Callback to get the value of a dapm mixer control.
|
|
|
|
*
|
|
|
|
* Returns 0 for success.
|
|
|
|
*/
|
|
|
|
int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
|
|
{
|
2011-04-29 06:38:00 +07:00
|
|
|
struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
|
|
|
|
struct snd_soc_dapm_widget *widget = wlist->widgets[0];
|
2008-07-29 17:42:26 +07:00
|
|
|
struct soc_mixer_control *mc =
|
|
|
|
(struct soc_mixer_control *)kcontrol->private_value;
|
2008-07-29 21:22:24 +07:00
|
|
|
unsigned int reg = mc->reg;
|
|
|
|
unsigned int shift = mc->shift;
|
2008-07-29 17:42:26 +07:00
|
|
|
int max = mc->max;
|
2008-07-29 21:22:24 +07:00
|
|
|
unsigned int mask = (1 << fls(max)) - 1;
|
2012-07-04 01:18:17 +07:00
|
|
|
unsigned int invert = mc->invert;
|
|
|
|
|
|
|
|
if (snd_soc_volsw_is_stereo(mc))
|
|
|
|
dev_warn(widget->dapm->dev,
|
2012-11-19 21:39:12 +07:00
|
|
|
"ASoC: Control '%s' is stereo, which is not supported\n",
|
2012-07-04 01:18:17 +07:00
|
|
|
kcontrol->id.name);
|
2006-10-06 23:32:18 +07:00
|
|
|
|
|
|
|
ucontrol->value.integer.value[0] =
|
|
|
|
(snd_soc_read(widget->codec, reg) >> shift) & mask;
|
2012-07-04 01:18:17 +07:00
|
|
|
if (invert)
|
2006-10-06 23:32:18 +07:00
|
|
|
ucontrol->value.integer.value[0] =
|
2008-01-10 20:37:42 +07:00
|
|
|
max - ucontrol->value.integer.value[0];
|
2006-10-06 23:32:18 +07:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_get_volsw);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* snd_soc_dapm_put_volsw - dapm mixer set callback
|
|
|
|
* @kcontrol: mixer control
|
2009-01-01 19:18:17 +07:00
|
|
|
* @ucontrol: control element information
|
2006-10-06 23:32:18 +07:00
|
|
|
*
|
|
|
|
* Callback to set the value of a dapm mixer control.
|
|
|
|
*
|
|
|
|
* Returns 0 for success.
|
|
|
|
*/
|
|
|
|
int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
|
|
{
|
2011-04-29 06:38:00 +07:00
|
|
|
struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
|
|
|
|
struct snd_soc_dapm_widget *widget = wlist->widgets[0];
|
|
|
|
struct snd_soc_codec *codec = widget->codec;
|
2012-03-07 17:38:26 +07:00
|
|
|
struct snd_soc_card *card = codec->card;
|
2008-07-29 17:42:26 +07:00
|
|
|
struct soc_mixer_control *mc =
|
|
|
|
(struct soc_mixer_control *)kcontrol->private_value;
|
2008-07-29 21:22:24 +07:00
|
|
|
unsigned int reg = mc->reg;
|
|
|
|
unsigned int shift = mc->shift;
|
2008-07-29 17:42:26 +07:00
|
|
|
int max = mc->max;
|
2008-07-29 21:22:24 +07:00
|
|
|
unsigned int mask = (1 << fls(max)) - 1;
|
|
|
|
unsigned int invert = mc->invert;
|
2011-01-28 04:54:05 +07:00
|
|
|
unsigned int val;
|
2010-12-14 23:13:57 +07:00
|
|
|
int connect, change;
|
|
|
|
struct snd_soc_dapm_update update;
|
2011-04-29 06:38:00 +07:00
|
|
|
int wi;
|
2006-10-06 23:32:18 +07:00
|
|
|
|
2012-07-04 01:18:17 +07:00
|
|
|
if (snd_soc_volsw_is_stereo(mc))
|
|
|
|
dev_warn(widget->dapm->dev,
|
2012-11-19 21:39:12 +07:00
|
|
|
"ASoC: Control '%s' is stereo, which is not supported\n",
|
2012-07-04 01:18:17 +07:00
|
|
|
kcontrol->id.name);
|
|
|
|
|
2006-10-06 23:32:18 +07:00
|
|
|
val = (ucontrol->value.integer.value[0] & mask);
|
2012-06-19 03:41:28 +07:00
|
|
|
connect = !!val;
|
2006-10-06 23:32:18 +07:00
|
|
|
|
|
|
|
if (invert)
|
2008-01-10 20:37:42 +07:00
|
|
|
val = max - val;
|
2011-01-28 04:54:05 +07:00
|
|
|
mask = mask << shift;
|
2006-10-06 23:32:18 +07:00
|
|
|
val = val << shift;
|
|
|
|
|
2012-03-09 19:02:08 +07:00
|
|
|
mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
|
2006-10-06 23:32:18 +07:00
|
|
|
|
2011-01-28 04:54:05 +07:00
|
|
|
change = snd_soc_test_bits(widget->codec, reg, mask, val);
|
2010-12-14 23:13:57 +07:00
|
|
|
if (change) {
|
2011-04-29 06:38:00 +07:00
|
|
|
for (wi = 0; wi < wlist->num_widgets; wi++) {
|
|
|
|
widget = wlist->widgets[wi];
|
2009-12-08 01:09:03 +07:00
|
|
|
|
2011-04-29 06:38:00 +07:00
|
|
|
widget->value = val;
|
2010-12-14 23:13:57 +07:00
|
|
|
|
2011-04-29 06:38:00 +07:00
|
|
|
update.kcontrol = kcontrol;
|
|
|
|
update.widget = widget;
|
|
|
|
update.reg = reg;
|
|
|
|
update.mask = mask;
|
|
|
|
update.val = val;
|
|
|
|
widget->dapm->update = &update;
|
2010-12-14 23:13:57 +07:00
|
|
|
|
2012-03-07 17:38:27 +07:00
|
|
|
soc_dapm_mixer_update_power(widget, kcontrol, connect);
|
2011-04-29 06:38:00 +07:00
|
|
|
|
|
|
|
widget->dapm->update = NULL;
|
|
|
|
}
|
2009-12-08 01:09:03 +07:00
|
|
|
}
|
|
|
|
|
2012-03-07 17:38:26 +07:00
|
|
|
mutex_unlock(&card->dapm_mutex);
|
2010-12-14 23:13:57 +07:00
|
|
|
return 0;
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_volsw);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* snd_soc_dapm_get_enum_double - dapm enumerated double mixer get callback
|
|
|
|
* @kcontrol: mixer control
|
2009-01-01 19:18:17 +07:00
|
|
|
* @ucontrol: control element information
|
2006-10-06 23:32:18 +07:00
|
|
|
*
|
|
|
|
* Callback to get the value of a dapm enumerated double mixer control.
|
|
|
|
*
|
|
|
|
* Returns 0 for success.
|
|
|
|
*/
|
|
|
|
int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
|
|
{
|
2011-04-29 06:38:00 +07:00
|
|
|
struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
|
|
|
|
struct snd_soc_dapm_widget *widget = wlist->widgets[0];
|
2006-10-06 23:32:18 +07:00
|
|
|
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
|
2012-09-14 18:57:27 +07:00
|
|
|
unsigned int val;
|
2006-10-06 23:32:18 +07:00
|
|
|
|
|
|
|
val = snd_soc_read(widget->codec, e->reg);
|
2012-09-14 18:57:27 +07:00
|
|
|
ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & e->mask;
|
2006-10-06 23:32:18 +07:00
|
|
|
if (e->shift_l != e->shift_r)
|
|
|
|
ucontrol->value.enumerated.item[1] =
|
2012-09-14 18:57:27 +07:00
|
|
|
(val >> e->shift_r) & e->mask;
|
2006-10-06 23:32:18 +07:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_get_enum_double);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* snd_soc_dapm_put_enum_double - dapm enumerated double mixer set callback
|
|
|
|
* @kcontrol: mixer control
|
2009-01-01 19:18:17 +07:00
|
|
|
* @ucontrol: control element information
|
2006-10-06 23:32:18 +07:00
|
|
|
*
|
|
|
|
* Callback to set the value of a dapm enumerated double mixer control.
|
|
|
|
*
|
|
|
|
* Returns 0 for success.
|
|
|
|
*/
|
|
|
|
int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
|
|
{
|
2011-04-29 06:38:00 +07:00
|
|
|
struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
|
|
|
|
struct snd_soc_dapm_widget *widget = wlist->widgets[0];
|
|
|
|
struct snd_soc_codec *codec = widget->codec;
|
2012-03-07 17:38:26 +07:00
|
|
|
struct snd_soc_card *card = codec->card;
|
2006-10-06 23:32:18 +07:00
|
|
|
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
|
2009-10-05 23:23:30 +07:00
|
|
|
unsigned int val, mux, change;
|
2012-09-14 18:57:27 +07:00
|
|
|
unsigned int mask;
|
2010-12-14 23:13:57 +07:00
|
|
|
struct snd_soc_dapm_update update;
|
2011-04-29 06:38:00 +07:00
|
|
|
int wi;
|
2006-10-06 23:32:18 +07:00
|
|
|
|
2008-07-29 17:42:27 +07:00
|
|
|
if (ucontrol->value.enumerated.item[0] > e->max - 1)
|
2006-10-06 23:32:18 +07:00
|
|
|
return -EINVAL;
|
|
|
|
mux = ucontrol->value.enumerated.item[0];
|
|
|
|
val = mux << e->shift_l;
|
2012-09-14 18:57:27 +07:00
|
|
|
mask = e->mask << e->shift_l;
|
2006-10-06 23:32:18 +07:00
|
|
|
if (e->shift_l != e->shift_r) {
|
2008-07-29 17:42:27 +07:00
|
|
|
if (ucontrol->value.enumerated.item[1] > e->max - 1)
|
2006-10-06 23:32:18 +07:00
|
|
|
return -EINVAL;
|
|
|
|
val |= ucontrol->value.enumerated.item[1] << e->shift_r;
|
2012-09-14 18:57:27 +07:00
|
|
|
mask |= e->mask << e->shift_r;
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
|
|
|
|
2012-03-09 19:02:08 +07:00
|
|
|
mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
|
2011-04-29 06:38:00 +07:00
|
|
|
|
2009-10-05 23:23:30 +07:00
|
|
|
change = snd_soc_test_bits(widget->codec, e->reg, mask, val);
|
2011-04-29 06:38:00 +07:00
|
|
|
if (change) {
|
|
|
|
for (wi = 0; wi < wlist->num_widgets; wi++) {
|
|
|
|
widget = wlist->widgets[wi];
|
|
|
|
|
|
|
|
widget->value = val;
|
2009-10-05 22:24:26 +07:00
|
|
|
|
2011-04-29 06:38:00 +07:00
|
|
|
update.kcontrol = kcontrol;
|
|
|
|
update.widget = widget;
|
|
|
|
update.reg = e->reg;
|
|
|
|
update.mask = mask;
|
|
|
|
update.val = val;
|
|
|
|
widget->dapm->update = &update;
|
2009-10-05 22:24:26 +07:00
|
|
|
|
2012-03-07 17:38:27 +07:00
|
|
|
soc_dapm_mux_update_power(widget, kcontrol, mux, e);
|
2009-10-05 22:24:26 +07:00
|
|
|
|
2011-04-29 06:38:00 +07:00
|
|
|
widget->dapm->update = NULL;
|
|
|
|
}
|
|
|
|
}
|
2006-10-06 23:32:18 +07:00
|
|
|
|
2012-03-07 17:38:26 +07:00
|
|
|
mutex_unlock(&card->dapm_mutex);
|
2010-12-14 23:13:57 +07:00
|
|
|
return change;
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_double);
|
|
|
|
|
2009-10-06 21:21:04 +07:00
|
|
|
/**
|
|
|
|
* snd_soc_dapm_get_enum_virt - Get virtual DAPM mux
|
|
|
|
* @kcontrol: mixer control
|
|
|
|
* @ucontrol: control element information
|
|
|
|
*
|
|
|
|
* Returns 0 for success.
|
|
|
|
*/
|
|
|
|
int snd_soc_dapm_get_enum_virt(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
|
|
{
|
2011-04-29 06:38:00 +07:00
|
|
|
struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
|
|
|
|
struct snd_soc_dapm_widget *widget = wlist->widgets[0];
|
2009-10-06 21:21:04 +07:00
|
|
|
|
|
|
|
ucontrol->value.enumerated.item[0] = widget->value;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_get_enum_virt);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* snd_soc_dapm_put_enum_virt - Set virtual DAPM mux
|
|
|
|
* @kcontrol: mixer control
|
|
|
|
* @ucontrol: control element information
|
|
|
|
*
|
|
|
|
* Returns 0 for success.
|
|
|
|
*/
|
|
|
|
int snd_soc_dapm_put_enum_virt(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
|
|
{
|
2011-04-29 06:38:00 +07:00
|
|
|
struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
|
|
|
|
struct snd_soc_dapm_widget *widget = wlist->widgets[0];
|
|
|
|
struct snd_soc_codec *codec = widget->codec;
|
2012-03-07 17:38:26 +07:00
|
|
|
struct snd_soc_card *card = codec->card;
|
2009-10-06 21:21:04 +07:00
|
|
|
struct soc_enum *e =
|
|
|
|
(struct soc_enum *)kcontrol->private_value;
|
|
|
|
int change;
|
|
|
|
int ret = 0;
|
2011-04-29 06:38:00 +07:00
|
|
|
int wi;
|
2009-10-06 21:21:04 +07:00
|
|
|
|
|
|
|
if (ucontrol->value.enumerated.item[0] >= e->max)
|
|
|
|
return -EINVAL;
|
|
|
|
|
2012-03-09 19:02:08 +07:00
|
|
|
mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
|
2009-10-06 21:21:04 +07:00
|
|
|
|
|
|
|
change = widget->value != ucontrol->value.enumerated.item[0];
|
2011-04-29 06:38:00 +07:00
|
|
|
if (change) {
|
|
|
|
for (wi = 0; wi < wlist->num_widgets; wi++) {
|
|
|
|
widget = wlist->widgets[wi];
|
|
|
|
|
|
|
|
widget->value = ucontrol->value.enumerated.item[0];
|
|
|
|
|
2012-03-07 17:38:27 +07:00
|
|
|
soc_dapm_mux_update_power(widget, kcontrol, widget->value, e);
|
2011-04-29 06:38:00 +07:00
|
|
|
}
|
|
|
|
}
|
2009-10-06 21:21:04 +07:00
|
|
|
|
2012-03-07 17:38:26 +07:00
|
|
|
mutex_unlock(&card->dapm_mutex);
|
2009-10-06 21:21:04 +07:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_virt);
|
|
|
|
|
2009-01-05 14:54:57 +07:00
|
|
|
/**
|
|
|
|
* snd_soc_dapm_get_value_enum_double - dapm semi enumerated double mixer get
|
|
|
|
* callback
|
|
|
|
* @kcontrol: mixer control
|
|
|
|
* @ucontrol: control element information
|
|
|
|
*
|
|
|
|
* Callback to get the value of a dapm semi enumerated double mixer control.
|
|
|
|
*
|
|
|
|
* Semi enumerated mixer: the enumerated items are referred as values. Can be
|
|
|
|
* used for handling bitfield coded enumeration for example.
|
|
|
|
*
|
|
|
|
* Returns 0 for success.
|
|
|
|
*/
|
|
|
|
int snd_soc_dapm_get_value_enum_double(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
|
|
{
|
2011-04-29 06:38:00 +07:00
|
|
|
struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
|
|
|
|
struct snd_soc_dapm_widget *widget = wlist->widgets[0];
|
2009-01-08 18:34:29 +07:00
|
|
|
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
|
2009-06-07 12:49:11 +07:00
|
|
|
unsigned int reg_val, val, mux;
|
2009-01-05 14:54:57 +07:00
|
|
|
|
|
|
|
reg_val = snd_soc_read(widget->codec, e->reg);
|
|
|
|
val = (reg_val >> e->shift_l) & e->mask;
|
|
|
|
for (mux = 0; mux < e->max; mux++) {
|
|
|
|
if (val == e->values[mux])
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
ucontrol->value.enumerated.item[0] = mux;
|
|
|
|
if (e->shift_l != e->shift_r) {
|
|
|
|
val = (reg_val >> e->shift_r) & e->mask;
|
|
|
|
for (mux = 0; mux < e->max; mux++) {
|
|
|
|
if (val == e->values[mux])
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
ucontrol->value.enumerated.item[1] = mux;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_get_value_enum_double);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* snd_soc_dapm_put_value_enum_double - dapm semi enumerated double mixer set
|
|
|
|
* callback
|
|
|
|
* @kcontrol: mixer control
|
|
|
|
* @ucontrol: control element information
|
|
|
|
*
|
|
|
|
* Callback to set the value of a dapm semi enumerated double mixer control.
|
|
|
|
*
|
|
|
|
* Semi enumerated mixer: the enumerated items are referred as values. Can be
|
|
|
|
* used for handling bitfield coded enumeration for example.
|
|
|
|
*
|
|
|
|
* Returns 0 for success.
|
|
|
|
*/
|
|
|
|
int snd_soc_dapm_put_value_enum_double(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
|
|
{
|
2011-04-29 06:38:00 +07:00
|
|
|
struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
|
|
|
|
struct snd_soc_dapm_widget *widget = wlist->widgets[0];
|
|
|
|
struct snd_soc_codec *codec = widget->codec;
|
2012-03-07 17:38:26 +07:00
|
|
|
struct snd_soc_card *card = codec->card;
|
2009-01-08 18:34:29 +07:00
|
|
|
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
|
2009-10-05 23:23:30 +07:00
|
|
|
unsigned int val, mux, change;
|
2009-06-07 12:49:11 +07:00
|
|
|
unsigned int mask;
|
2010-12-14 23:13:57 +07:00
|
|
|
struct snd_soc_dapm_update update;
|
2011-04-29 06:38:00 +07:00
|
|
|
int wi;
|
2009-01-05 14:54:57 +07:00
|
|
|
|
|
|
|
if (ucontrol->value.enumerated.item[0] > e->max - 1)
|
|
|
|
return -EINVAL;
|
|
|
|
mux = ucontrol->value.enumerated.item[0];
|
|
|
|
val = e->values[ucontrol->value.enumerated.item[0]] << e->shift_l;
|
|
|
|
mask = e->mask << e->shift_l;
|
|
|
|
if (e->shift_l != e->shift_r) {
|
|
|
|
if (ucontrol->value.enumerated.item[1] > e->max - 1)
|
|
|
|
return -EINVAL;
|
|
|
|
val |= e->values[ucontrol->value.enumerated.item[1]] << e->shift_r;
|
|
|
|
mask |= e->mask << e->shift_r;
|
|
|
|
}
|
|
|
|
|
2012-03-09 19:02:08 +07:00
|
|
|
mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
|
2011-04-29 06:38:00 +07:00
|
|
|
|
2009-10-05 23:23:30 +07:00
|
|
|
change = snd_soc_test_bits(widget->codec, e->reg, mask, val);
|
2011-04-29 06:38:00 +07:00
|
|
|
if (change) {
|
|
|
|
for (wi = 0; wi < wlist->num_widgets; wi++) {
|
|
|
|
widget = wlist->widgets[wi];
|
2009-10-05 22:24:26 +07:00
|
|
|
|
2011-04-29 06:38:00 +07:00
|
|
|
widget->value = val;
|
2009-10-05 22:24:26 +07:00
|
|
|
|
2011-04-29 06:38:00 +07:00
|
|
|
update.kcontrol = kcontrol;
|
|
|
|
update.widget = widget;
|
|
|
|
update.reg = e->reg;
|
|
|
|
update.mask = mask;
|
|
|
|
update.val = val;
|
|
|
|
widget->dapm->update = &update;
|
2009-10-05 22:24:26 +07:00
|
|
|
|
2012-03-07 17:38:27 +07:00
|
|
|
soc_dapm_mux_update_power(widget, kcontrol, mux, e);
|
2011-04-29 06:38:00 +07:00
|
|
|
|
|
|
|
widget->dapm->update = NULL;
|
|
|
|
}
|
|
|
|
}
|
2009-01-05 14:54:57 +07:00
|
|
|
|
2012-03-07 17:38:26 +07:00
|
|
|
mutex_unlock(&card->dapm_mutex);
|
2010-12-14 23:13:57 +07:00
|
|
|
return change;
|
2009-01-05 14:54:57 +07:00
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_value_enum_double);
|
|
|
|
|
2009-03-01 04:14:20 +07:00
|
|
|
/**
|
|
|
|
* snd_soc_dapm_info_pin_switch - Info for a pin switch
|
|
|
|
*
|
|
|
|
* @kcontrol: mixer control
|
|
|
|
* @uinfo: control element information
|
|
|
|
*
|
|
|
|
* Callback to provide information about a pin switch control.
|
|
|
|
*/
|
|
|
|
int snd_soc_dapm_info_pin_switch(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_info *uinfo)
|
|
|
|
{
|
|
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
|
|
|
|
uinfo->count = 1;
|
|
|
|
uinfo->value.integer.min = 0;
|
|
|
|
uinfo->value.integer.max = 1;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_info_pin_switch);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* snd_soc_dapm_get_pin_switch - Get information for a pin switch
|
|
|
|
*
|
|
|
|
* @kcontrol: mixer control
|
|
|
|
* @ucontrol: Value
|
|
|
|
*/
|
|
|
|
int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
|
|
{
|
2012-02-15 08:11:15 +07:00
|
|
|
struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
|
2009-03-01 04:14:20 +07:00
|
|
|
const char *pin = (const char *)kcontrol->private_value;
|
|
|
|
|
2012-03-09 19:02:08 +07:00
|
|
|
mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
|
2009-03-01 04:14:20 +07:00
|
|
|
|
|
|
|
ucontrol->value.integer.value[0] =
|
2012-02-15 08:11:15 +07:00
|
|
|
snd_soc_dapm_get_pin_status(&card->dapm, pin);
|
2009-03-01 04:14:20 +07:00
|
|
|
|
2012-03-07 17:38:26 +07:00
|
|
|
mutex_unlock(&card->dapm_mutex);
|
2009-03-01 04:14:20 +07:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_get_pin_switch);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* snd_soc_dapm_put_pin_switch - Set information for a pin switch
|
|
|
|
*
|
|
|
|
* @kcontrol: mixer control
|
|
|
|
* @ucontrol: Value
|
|
|
|
*/
|
|
|
|
int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
|
|
{
|
2012-02-15 08:11:15 +07:00
|
|
|
struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
|
2009-03-01 04:14:20 +07:00
|
|
|
const char *pin = (const char *)kcontrol->private_value;
|
|
|
|
|
2012-03-09 19:02:08 +07:00
|
|
|
mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
|
2009-03-01 04:14:20 +07:00
|
|
|
|
|
|
|
if (ucontrol->value.integer.value[0])
|
2012-02-15 08:11:15 +07:00
|
|
|
snd_soc_dapm_enable_pin(&card->dapm, pin);
|
2009-03-01 04:14:20 +07:00
|
|
|
else
|
2012-02-15 08:11:15 +07:00
|
|
|
snd_soc_dapm_disable_pin(&card->dapm, pin);
|
2009-03-01 04:14:20 +07:00
|
|
|
|
2012-03-07 17:38:26 +07:00
|
|
|
mutex_unlock(&card->dapm_mutex);
|
2009-03-01 04:14:20 +07:00
|
|
|
|
2012-03-07 17:38:26 +07:00
|
|
|
snd_soc_dapm_sync(&card->dapm);
|
2009-03-01 04:14:20 +07:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_pin_switch);
|
|
|
|
|
2012-02-17 02:07:13 +07:00
|
|
|
static struct snd_soc_dapm_widget *
|
|
|
|
snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
|
|
|
|
const struct snd_soc_dapm_widget *widget)
|
2006-10-06 23:32:18 +07:00
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *w;
|
ASoC: Add optional name_prefix for codec kcontrol, widget and route names
There is a need to prefix codec kcontrol, widget and internal route names in
an ASoC machine that has multiple codecs with conflicting names. The name
collision would occur when codec drivers try to registering kcontrols with
the same name or when building audio paths.
This patch introduces optional prefix_map into struct snd_soc_card. With it
machine drivers can specify a unique name prefix to each codec that have
conflicting names with anothers. Prefix to codec is matched with codec
name.
Following example illustrates a machine that has two same codec instances.
Name collision from kcontrol registration is avoided by specifying a name
prefix "foo" for the second codec. As the codec widget names are prefixed
then second audio map for that codec shows a prefixed widget name.
static const struct snd_soc_dapm_route map0[] = {
{"Spk", NULL, "MONO"},
};
static const struct snd_soc_dapm_route map1[] = {
{"Vibra", NULL, "foo MONO"},
};
static struct snd_soc_prefix_map codec_prefix[] = {
{
.dev_name = "codec.2",
.name_prefix = "foo",
},
};
static struct snd_soc_card card = {
...
.prefix_map = codec_prefix,
.num_prefixes = ARRAY_SIZE(codec_prefix),
};
Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2010-11-14 01:40:44 +07:00
|
|
|
size_t name_len;
|
2012-01-22 04:14:48 +07:00
|
|
|
int ret;
|
2006-10-06 23:32:18 +07:00
|
|
|
|
|
|
|
if ((w = dapm_cnew_widget(widget)) == NULL)
|
2012-02-17 02:07:13 +07:00
|
|
|
return NULL;
|
2006-10-06 23:32:18 +07:00
|
|
|
|
2012-01-22 04:14:48 +07:00
|
|
|
switch (w->id) {
|
|
|
|
case snd_soc_dapm_regulator_supply:
|
2012-03-10 00:20:16 +07:00
|
|
|
w->regulator = devm_regulator_get(dapm->dev, w->name);
|
|
|
|
if (IS_ERR(w->regulator)) {
|
|
|
|
ret = PTR_ERR(w->regulator);
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_err(dapm->dev, "ASoC: Failed to request %s: %d\n",
|
2012-01-22 04:14:48 +07:00
|
|
|
w->name, ret);
|
2012-02-17 02:07:13 +07:00
|
|
|
return NULL;
|
2012-01-22 04:14:48 +07:00
|
|
|
}
|
2013-01-11 02:33:47 +07:00
|
|
|
|
|
|
|
if (w->invert & SND_SOC_DAPM_REGULATOR_BYPASS) {
|
|
|
|
ret = regulator_allow_bypass(w->regulator, true);
|
|
|
|
if (ret != 0)
|
|
|
|
dev_warn(w->dapm->dev,
|
|
|
|
"ASoC: Failed to unbypass %s: %d\n",
|
|
|
|
w->name, ret);
|
|
|
|
}
|
2012-01-22 04:14:48 +07:00
|
|
|
break;
|
2012-05-24 20:26:25 +07:00
|
|
|
case snd_soc_dapm_clock_supply:
|
2012-06-05 16:44:23 +07:00
|
|
|
#ifdef CONFIG_CLKDEV_LOOKUP
|
2012-06-04 14:14:13 +07:00
|
|
|
w->clk = devm_clk_get(dapm->dev, w->name);
|
2012-05-24 20:26:25 +07:00
|
|
|
if (IS_ERR(w->clk)) {
|
|
|
|
ret = PTR_ERR(w->clk);
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_err(dapm->dev, "ASoC: Failed to request %s: %d\n",
|
2012-05-24 20:26:25 +07:00
|
|
|
w->name, ret);
|
|
|
|
return NULL;
|
|
|
|
}
|
2012-06-04 14:16:20 +07:00
|
|
|
#else
|
|
|
|
return NULL;
|
|
|
|
#endif
|
2012-05-24 20:26:25 +07:00
|
|
|
break;
|
2012-01-22 04:14:48 +07:00
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
2006-10-06 23:32:18 +07:00
|
|
|
|
ASoC: Add optional name_prefix for codec kcontrol, widget and route names
There is a need to prefix codec kcontrol, widget and internal route names in
an ASoC machine that has multiple codecs with conflicting names. The name
collision would occur when codec drivers try to registering kcontrols with
the same name or when building audio paths.
This patch introduces optional prefix_map into struct snd_soc_card. With it
machine drivers can specify a unique name prefix to each codec that have
conflicting names with anothers. Prefix to codec is matched with codec
name.
Following example illustrates a machine that has two same codec instances.
Name collision from kcontrol registration is avoided by specifying a name
prefix "foo" for the second codec. As the codec widget names are prefixed
then second audio map for that codec shows a prefixed widget name.
static const struct snd_soc_dapm_route map0[] = {
{"Spk", NULL, "MONO"},
};
static const struct snd_soc_dapm_route map1[] = {
{"Vibra", NULL, "foo MONO"},
};
static struct snd_soc_prefix_map codec_prefix[] = {
{
.dev_name = "codec.2",
.name_prefix = "foo",
},
};
static struct snd_soc_card card = {
...
.prefix_map = codec_prefix,
.num_prefixes = ARRAY_SIZE(codec_prefix),
};
Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2010-11-14 01:40:44 +07:00
|
|
|
name_len = strlen(widget->name) + 1;
|
2011-03-03 01:18:24 +07:00
|
|
|
if (dapm->codec && dapm->codec->name_prefix)
|
ASoC: Add optional name_prefix for codec kcontrol, widget and route names
There is a need to prefix codec kcontrol, widget and internal route names in
an ASoC machine that has multiple codecs with conflicting names. The name
collision would occur when codec drivers try to registering kcontrols with
the same name or when building audio paths.
This patch introduces optional prefix_map into struct snd_soc_card. With it
machine drivers can specify a unique name prefix to each codec that have
conflicting names with anothers. Prefix to codec is matched with codec
name.
Following example illustrates a machine that has two same codec instances.
Name collision from kcontrol registration is avoided by specifying a name
prefix "foo" for the second codec. As the codec widget names are prefixed
then second audio map for that codec shows a prefixed widget name.
static const struct snd_soc_dapm_route map0[] = {
{"Spk", NULL, "MONO"},
};
static const struct snd_soc_dapm_route map1[] = {
{"Vibra", NULL, "foo MONO"},
};
static struct snd_soc_prefix_map codec_prefix[] = {
{
.dev_name = "codec.2",
.name_prefix = "foo",
},
};
static struct snd_soc_card card = {
...
.prefix_map = codec_prefix,
.num_prefixes = ARRAY_SIZE(codec_prefix),
};
Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2010-11-14 01:40:44 +07:00
|
|
|
name_len += 1 + strlen(dapm->codec->name_prefix);
|
|
|
|
w->name = kmalloc(name_len, GFP_KERNEL);
|
|
|
|
if (w->name == NULL) {
|
|
|
|
kfree(w);
|
2012-02-17 02:07:13 +07:00
|
|
|
return NULL;
|
ASoC: Add optional name_prefix for codec kcontrol, widget and route names
There is a need to prefix codec kcontrol, widget and internal route names in
an ASoC machine that has multiple codecs with conflicting names. The name
collision would occur when codec drivers try to registering kcontrols with
the same name or when building audio paths.
This patch introduces optional prefix_map into struct snd_soc_card. With it
machine drivers can specify a unique name prefix to each codec that have
conflicting names with anothers. Prefix to codec is matched with codec
name.
Following example illustrates a machine that has two same codec instances.
Name collision from kcontrol registration is avoided by specifying a name
prefix "foo" for the second codec. As the codec widget names are prefixed
then second audio map for that codec shows a prefixed widget name.
static const struct snd_soc_dapm_route map0[] = {
{"Spk", NULL, "MONO"},
};
static const struct snd_soc_dapm_route map1[] = {
{"Vibra", NULL, "foo MONO"},
};
static struct snd_soc_prefix_map codec_prefix[] = {
{
.dev_name = "codec.2",
.name_prefix = "foo",
},
};
static struct snd_soc_card card = {
...
.prefix_map = codec_prefix,
.num_prefixes = ARRAY_SIZE(codec_prefix),
};
Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2010-11-14 01:40:44 +07:00
|
|
|
}
|
2011-03-03 01:18:24 +07:00
|
|
|
if (dapm->codec && dapm->codec->name_prefix)
|
2012-02-17 10:37:51 +07:00
|
|
|
snprintf((char *)w->name, name_len, "%s %s",
|
ASoC: Add optional name_prefix for codec kcontrol, widget and route names
There is a need to prefix codec kcontrol, widget and internal route names in
an ASoC machine that has multiple codecs with conflicting names. The name
collision would occur when codec drivers try to registering kcontrols with
the same name or when building audio paths.
This patch introduces optional prefix_map into struct snd_soc_card. With it
machine drivers can specify a unique name prefix to each codec that have
conflicting names with anothers. Prefix to codec is matched with codec
name.
Following example illustrates a machine that has two same codec instances.
Name collision from kcontrol registration is avoided by specifying a name
prefix "foo" for the second codec. As the codec widget names are prefixed
then second audio map for that codec shows a prefixed widget name.
static const struct snd_soc_dapm_route map0[] = {
{"Spk", NULL, "MONO"},
};
static const struct snd_soc_dapm_route map1[] = {
{"Vibra", NULL, "foo MONO"},
};
static struct snd_soc_prefix_map codec_prefix[] = {
{
.dev_name = "codec.2",
.name_prefix = "foo",
},
};
static struct snd_soc_card card = {
...
.prefix_map = codec_prefix,
.num_prefixes = ARRAY_SIZE(codec_prefix),
};
Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2010-11-14 01:40:44 +07:00
|
|
|
dapm->codec->name_prefix, widget->name);
|
|
|
|
else
|
2012-02-17 10:37:51 +07:00
|
|
|
snprintf((char *)w->name, name_len, "%s", widget->name);
|
ASoC: Add optional name_prefix for codec kcontrol, widget and route names
There is a need to prefix codec kcontrol, widget and internal route names in
an ASoC machine that has multiple codecs with conflicting names. The name
collision would occur when codec drivers try to registering kcontrols with
the same name or when building audio paths.
This patch introduces optional prefix_map into struct snd_soc_card. With it
machine drivers can specify a unique name prefix to each codec that have
conflicting names with anothers. Prefix to codec is matched with codec
name.
Following example illustrates a machine that has two same codec instances.
Name collision from kcontrol registration is avoided by specifying a name
prefix "foo" for the second codec. As the codec widget names are prefixed
then second audio map for that codec shows a prefixed widget name.
static const struct snd_soc_dapm_route map0[] = {
{"Spk", NULL, "MONO"},
};
static const struct snd_soc_dapm_route map1[] = {
{"Vibra", NULL, "foo MONO"},
};
static struct snd_soc_prefix_map codec_prefix[] = {
{
.dev_name = "codec.2",
.name_prefix = "foo",
},
};
static struct snd_soc_card card = {
...
.prefix_map = codec_prefix,
.num_prefixes = ARRAY_SIZE(codec_prefix),
};
Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2010-11-14 01:40:44 +07:00
|
|
|
|
2011-10-08 20:04:50 +07:00
|
|
|
switch (w->id) {
|
|
|
|
case snd_soc_dapm_switch:
|
|
|
|
case snd_soc_dapm_mixer:
|
|
|
|
case snd_soc_dapm_mixer_named_ctl:
|
|
|
|
w->power_check = dapm_generic_check_power;
|
|
|
|
break;
|
|
|
|
case snd_soc_dapm_mux:
|
|
|
|
case snd_soc_dapm_virt_mux:
|
|
|
|
case snd_soc_dapm_value_mux:
|
|
|
|
w->power_check = dapm_generic_check_power;
|
|
|
|
break;
|
|
|
|
case snd_soc_dapm_adc:
|
|
|
|
case snd_soc_dapm_aif_out:
|
|
|
|
w->power_check = dapm_adc_check_power;
|
|
|
|
break;
|
|
|
|
case snd_soc_dapm_dac:
|
|
|
|
case snd_soc_dapm_aif_in:
|
|
|
|
w->power_check = dapm_dac_check_power;
|
|
|
|
break;
|
|
|
|
case snd_soc_dapm_pga:
|
|
|
|
case snd_soc_dapm_out_drv:
|
|
|
|
case snd_soc_dapm_input:
|
|
|
|
case snd_soc_dapm_output:
|
|
|
|
case snd_soc_dapm_micbias:
|
|
|
|
case snd_soc_dapm_spk:
|
|
|
|
case snd_soc_dapm_hp:
|
|
|
|
case snd_soc_dapm_mic:
|
|
|
|
case snd_soc_dapm_line:
|
2012-04-05 04:12:09 +07:00
|
|
|
case snd_soc_dapm_dai_link:
|
2011-10-08 20:04:50 +07:00
|
|
|
w->power_check = dapm_generic_check_power;
|
|
|
|
break;
|
|
|
|
case snd_soc_dapm_supply:
|
2012-01-22 04:14:48 +07:00
|
|
|
case snd_soc_dapm_regulator_supply:
|
2012-05-24 20:26:25 +07:00
|
|
|
case snd_soc_dapm_clock_supply:
|
2011-10-08 20:04:50 +07:00
|
|
|
w->power_check = dapm_supply_check_power;
|
|
|
|
break;
|
2012-02-17 10:37:51 +07:00
|
|
|
case snd_soc_dapm_dai:
|
|
|
|
w->power_check = dapm_dai_check_power;
|
|
|
|
break;
|
2011-10-08 20:04:50 +07:00
|
|
|
default:
|
|
|
|
w->power_check = dapm_always_on_check_power;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2010-12-14 17:18:31 +07:00
|
|
|
dapm->n_widgets++;
|
2010-11-05 20:53:46 +07:00
|
|
|
w->dapm = dapm;
|
|
|
|
w->codec = dapm->codec;
|
2011-07-05 04:10:52 +07:00
|
|
|
w->platform = dapm->platform;
|
2006-10-06 23:32:18 +07:00
|
|
|
INIT_LIST_HEAD(&w->sources);
|
|
|
|
INIT_LIST_HEAD(&w->sinks);
|
|
|
|
INIT_LIST_HEAD(&w->list);
|
2011-10-04 03:06:40 +07:00
|
|
|
INIT_LIST_HEAD(&w->dirty);
|
2010-12-14 17:18:31 +07:00
|
|
|
list_add(&w->list, &dapm->card->widgets);
|
2006-10-06 23:32:18 +07:00
|
|
|
|
|
|
|
/* machine layer set ups unconnected pins and insertions */
|
|
|
|
w->connected = 1;
|
2012-02-17 02:07:13 +07:00
|
|
|
return w;
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
|
|
|
|
2008-05-13 19:51:19 +07:00
|
|
|
/**
|
|
|
|
* snd_soc_dapm_new_controls - create new dapm controls
|
2010-11-05 20:53:46 +07:00
|
|
|
* @dapm: DAPM context
|
2008-05-13 19:51:19 +07:00
|
|
|
* @widget: widget array
|
|
|
|
* @num: number of widgets
|
|
|
|
*
|
|
|
|
* Creates new DAPM controls based upon the templates.
|
|
|
|
*
|
|
|
|
* Returns 0 for success else error.
|
|
|
|
*/
|
2010-11-05 20:53:46 +07:00
|
|
|
int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm,
|
2008-05-13 19:51:19 +07:00
|
|
|
const struct snd_soc_dapm_widget *widget,
|
|
|
|
int num)
|
|
|
|
{
|
2012-02-17 02:07:13 +07:00
|
|
|
struct snd_soc_dapm_widget *w;
|
|
|
|
int i;
|
2012-04-14 02:25:43 +07:00
|
|
|
int ret = 0;
|
2008-05-13 19:51:19 +07:00
|
|
|
|
2012-03-07 17:38:26 +07:00
|
|
|
mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT);
|
2008-05-13 19:51:19 +07:00
|
|
|
for (i = 0; i < num; i++) {
|
2012-02-17 02:07:13 +07:00
|
|
|
w = snd_soc_dapm_new_control(dapm, widget);
|
|
|
|
if (!w) {
|
2010-11-09 19:40:27 +07:00
|
|
|
dev_err(dapm->dev,
|
2012-02-17 02:07:13 +07:00
|
|
|
"ASoC: Failed to create DAPM control %s\n",
|
|
|
|
widget->name);
|
2012-04-14 02:25:43 +07:00
|
|
|
ret = -ENOMEM;
|
|
|
|
break;
|
2008-12-18 18:19:30 +07:00
|
|
|
}
|
2008-05-13 19:51:19 +07:00
|
|
|
widget++;
|
|
|
|
}
|
2012-03-07 17:38:26 +07:00
|
|
|
mutex_unlock(&dapm->card->dapm_mutex);
|
2012-04-14 02:25:43 +07:00
|
|
|
return ret;
|
2008-05-13 19:51:19 +07:00
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_new_controls);
|
|
|
|
|
2012-04-05 04:12:09 +07:00
|
|
|
static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
|
|
|
|
struct snd_kcontrol *kcontrol, int event)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_path *source_p, *sink_p;
|
|
|
|
struct snd_soc_dai *source, *sink;
|
|
|
|
const struct snd_soc_pcm_stream *config = w->params;
|
|
|
|
struct snd_pcm_substream substream;
|
2012-04-27 01:12:21 +07:00
|
|
|
struct snd_pcm_hw_params *params = NULL;
|
2012-04-05 04:12:09 +07:00
|
|
|
u64 fmt;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
BUG_ON(!config);
|
|
|
|
BUG_ON(list_empty(&w->sources) || list_empty(&w->sinks));
|
|
|
|
|
|
|
|
/* We only support a single source and sink, pick the first */
|
|
|
|
source_p = list_first_entry(&w->sources, struct snd_soc_dapm_path,
|
|
|
|
list_sink);
|
|
|
|
sink_p = list_first_entry(&w->sinks, struct snd_soc_dapm_path,
|
|
|
|
list_source);
|
|
|
|
|
|
|
|
BUG_ON(!source_p || !sink_p);
|
|
|
|
BUG_ON(!sink_p->source || !source_p->sink);
|
|
|
|
BUG_ON(!source_p->source || !sink_p->sink);
|
|
|
|
|
|
|
|
source = source_p->source->priv;
|
|
|
|
sink = sink_p->sink->priv;
|
|
|
|
|
|
|
|
/* Be a little careful as we don't want to overflow the mask array */
|
|
|
|
if (config->formats) {
|
|
|
|
fmt = ffs(config->formats) - 1;
|
|
|
|
} else {
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_warn(w->dapm->dev, "ASoC: Invalid format %llx specified\n",
|
2012-04-05 04:12:09 +07:00
|
|
|
config->formats);
|
|
|
|
fmt = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Currently very limited parameter selection */
|
2012-04-27 01:12:21 +07:00
|
|
|
params = kzalloc(sizeof(*params), GFP_KERNEL);
|
|
|
|
if (!params) {
|
|
|
|
ret = -ENOMEM;
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
snd_mask_set(hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT), fmt);
|
2012-04-05 04:12:09 +07:00
|
|
|
|
2012-04-27 01:12:21 +07:00
|
|
|
hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->min =
|
2012-04-05 04:12:09 +07:00
|
|
|
config->rate_min;
|
2012-04-27 01:12:21 +07:00
|
|
|
hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->max =
|
2012-04-05 04:12:09 +07:00
|
|
|
config->rate_max;
|
|
|
|
|
2012-04-27 01:12:21 +07:00
|
|
|
hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS)->min
|
2012-04-05 04:12:09 +07:00
|
|
|
= config->channels_min;
|
2012-04-27 01:12:21 +07:00
|
|
|
hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS)->max
|
2012-04-05 04:12:09 +07:00
|
|
|
= config->channels_max;
|
|
|
|
|
|
|
|
memset(&substream, 0, sizeof(substream));
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case SND_SOC_DAPM_PRE_PMU:
|
|
|
|
if (source->driver->ops && source->driver->ops->hw_params) {
|
|
|
|
substream.stream = SNDRV_PCM_STREAM_CAPTURE;
|
|
|
|
ret = source->driver->ops->hw_params(&substream,
|
2012-04-27 01:12:21 +07:00
|
|
|
params, source);
|
2012-04-05 04:12:09 +07:00
|
|
|
if (ret != 0) {
|
|
|
|
dev_err(source->dev,
|
2012-11-19 21:39:12 +07:00
|
|
|
"ASoC: hw_params() failed: %d\n", ret);
|
2012-04-27 01:12:21 +07:00
|
|
|
goto out;
|
2012-04-05 04:12:09 +07:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (sink->driver->ops && sink->driver->ops->hw_params) {
|
|
|
|
substream.stream = SNDRV_PCM_STREAM_PLAYBACK;
|
2012-04-27 01:12:21 +07:00
|
|
|
ret = sink->driver->ops->hw_params(&substream, params,
|
2012-04-05 04:12:09 +07:00
|
|
|
sink);
|
|
|
|
if (ret != 0) {
|
|
|
|
dev_err(sink->dev,
|
2012-11-19 21:39:12 +07:00
|
|
|
"ASoC: hw_params() failed: %d\n", ret);
|
2012-04-27 01:12:21 +07:00
|
|
|
goto out;
|
2012-04-05 04:12:09 +07:00
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case SND_SOC_DAPM_POST_PMU:
|
2013-02-06 22:44:07 +07:00
|
|
|
ret = snd_soc_dai_digital_mute(sink, 0,
|
|
|
|
SNDRV_PCM_STREAM_PLAYBACK);
|
2012-04-05 04:12:09 +07:00
|
|
|
if (ret != 0 && ret != -ENOTSUPP)
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_warn(sink->dev, "ASoC: Failed to unmute: %d\n", ret);
|
2012-04-27 01:12:21 +07:00
|
|
|
ret = 0;
|
2012-04-05 04:12:09 +07:00
|
|
|
break;
|
|
|
|
|
|
|
|
case SND_SOC_DAPM_PRE_PMD:
|
2013-02-06 22:44:07 +07:00
|
|
|
ret = snd_soc_dai_digital_mute(sink, 1,
|
|
|
|
SNDRV_PCM_STREAM_PLAYBACK);
|
2012-04-05 04:12:09 +07:00
|
|
|
if (ret != 0 && ret != -ENOTSUPP)
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_warn(sink->dev, "ASoC: Failed to mute: %d\n", ret);
|
2012-04-27 01:12:21 +07:00
|
|
|
ret = 0;
|
2012-04-05 04:12:09 +07:00
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
BUG();
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
2012-04-27 01:12:21 +07:00
|
|
|
out:
|
|
|
|
kfree(params);
|
|
|
|
return ret;
|
2012-04-05 04:12:09 +07:00
|
|
|
}
|
|
|
|
|
|
|
|
int snd_soc_dapm_new_pcm(struct snd_soc_card *card,
|
|
|
|
const struct snd_soc_pcm_stream *params,
|
|
|
|
struct snd_soc_dapm_widget *source,
|
|
|
|
struct snd_soc_dapm_widget *sink)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_route routes[2];
|
|
|
|
struct snd_soc_dapm_widget template;
|
|
|
|
struct snd_soc_dapm_widget *w;
|
|
|
|
size_t len;
|
|
|
|
char *link_name;
|
|
|
|
|
|
|
|
len = strlen(source->name) + strlen(sink->name) + 2;
|
|
|
|
link_name = devm_kzalloc(card->dev, len, GFP_KERNEL);
|
|
|
|
if (!link_name)
|
|
|
|
return -ENOMEM;
|
|
|
|
snprintf(link_name, len, "%s-%s", source->name, sink->name);
|
|
|
|
|
|
|
|
memset(&template, 0, sizeof(template));
|
|
|
|
template.reg = SND_SOC_NOPM;
|
|
|
|
template.id = snd_soc_dapm_dai_link;
|
|
|
|
template.name = link_name;
|
|
|
|
template.event = snd_soc_dai_link_event;
|
|
|
|
template.event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
|
|
|
|
SND_SOC_DAPM_PRE_PMD;
|
|
|
|
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_dbg(card->dev, "ASoC: adding %s widget\n", link_name);
|
2012-04-05 04:12:09 +07:00
|
|
|
|
|
|
|
w = snd_soc_dapm_new_control(&card->dapm, &template);
|
|
|
|
if (!w) {
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_err(card->dev, "ASoC: Failed to create %s widget\n",
|
2012-04-05 04:12:09 +07:00
|
|
|
link_name);
|
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
|
|
|
|
w->params = params;
|
|
|
|
|
|
|
|
memset(&routes, 0, sizeof(routes));
|
|
|
|
|
|
|
|
routes[0].source = source->name;
|
|
|
|
routes[0].sink = link_name;
|
|
|
|
routes[1].source = link_name;
|
|
|
|
routes[1].sink = sink->name;
|
|
|
|
|
|
|
|
return snd_soc_dapm_add_routes(&card->dapm, routes,
|
|
|
|
ARRAY_SIZE(routes));
|
|
|
|
}
|
|
|
|
|
2012-02-17 10:37:51 +07:00
|
|
|
int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm,
|
|
|
|
struct snd_soc_dai *dai)
|
2006-10-06 23:32:18 +07:00
|
|
|
{
|
2012-02-17 10:37:51 +07:00
|
|
|
struct snd_soc_dapm_widget template;
|
2006-10-06 23:32:18 +07:00
|
|
|
struct snd_soc_dapm_widget *w;
|
|
|
|
|
2012-02-17 10:37:51 +07:00
|
|
|
WARN_ON(dapm->dev != dai->dev);
|
|
|
|
|
|
|
|
memset(&template, 0, sizeof(template));
|
|
|
|
template.reg = SND_SOC_NOPM;
|
|
|
|
|
|
|
|
if (dai->driver->playback.stream_name) {
|
|
|
|
template.id = snd_soc_dapm_dai;
|
|
|
|
template.name = dai->driver->playback.stream_name;
|
|
|
|
template.sname = dai->driver->playback.stream_name;
|
|
|
|
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_dbg(dai->dev, "ASoC: adding %s widget\n",
|
2012-02-17 10:37:51 +07:00
|
|
|
template.name);
|
|
|
|
|
|
|
|
w = snd_soc_dapm_new_control(dapm, &template);
|
|
|
|
if (!w) {
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_err(dapm->dev, "ASoC: Failed to create %s widget\n",
|
2012-02-17 10:37:51 +07:00
|
|
|
dai->driver->playback.stream_name);
|
|
|
|
}
|
|
|
|
|
|
|
|
w->priv = dai;
|
|
|
|
dai->playback_widget = w;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (dai->driver->capture.stream_name) {
|
|
|
|
template.id = snd_soc_dapm_dai;
|
|
|
|
template.name = dai->driver->capture.stream_name;
|
|
|
|
template.sname = dai->driver->capture.stream_name;
|
|
|
|
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_dbg(dai->dev, "ASoC: adding %s widget\n",
|
2012-02-17 10:37:51 +07:00
|
|
|
template.name);
|
|
|
|
|
|
|
|
w = snd_soc_dapm_new_control(dapm, &template);
|
|
|
|
if (!w) {
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_err(dapm->dev, "ASoC: Failed to create %s widget\n",
|
2012-02-17 10:37:51 +07:00
|
|
|
dai->driver->capture.stream_name);
|
|
|
|
}
|
|
|
|
|
|
|
|
w->priv = dai;
|
|
|
|
dai->capture_widget = w;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *dai_w, *w;
|
|
|
|
struct snd_soc_dai *dai;
|
|
|
|
struct snd_soc_dapm_route r;
|
|
|
|
|
|
|
|
memset(&r, 0, sizeof(r));
|
|
|
|
|
|
|
|
/* For each DAI widget... */
|
|
|
|
list_for_each_entry(dai_w, &card->widgets, list) {
|
|
|
|
if (dai_w->id != snd_soc_dapm_dai)
|
2006-10-06 23:32:18 +07:00
|
|
|
continue;
|
2012-02-17 10:37:51 +07:00
|
|
|
|
|
|
|
dai = dai_w->priv;
|
|
|
|
|
|
|
|
/* ...find all widgets with the same stream and link them */
|
|
|
|
list_for_each_entry(w, &card->widgets, list) {
|
|
|
|
if (w->dapm != dai_w->dapm)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (w->id == snd_soc_dapm_dai)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (!w->sname)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (dai->driver->playback.stream_name &&
|
|
|
|
strstr(w->sname,
|
|
|
|
dai->driver->playback.stream_name)) {
|
|
|
|
r.source = dai->playback_widget->name;
|
|
|
|
r.sink = w->name;
|
|
|
|
dev_dbg(dai->dev, "%s -> %s\n",
|
|
|
|
r.source, r.sink);
|
|
|
|
|
|
|
|
snd_soc_dapm_add_route(w->dapm, &r);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (dai->driver->capture.stream_name &&
|
|
|
|
strstr(w->sname,
|
|
|
|
dai->driver->capture.stream_name)) {
|
|
|
|
r.source = w->name;
|
|
|
|
r.sink = dai->capture_widget->name;
|
|
|
|
dev_dbg(dai->dev, "%s -> %s\n",
|
|
|
|
r.source, r.sink);
|
|
|
|
|
|
|
|
snd_soc_dapm_add_route(w->dapm, &r);
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-02-17 10:37:51 +07:00
|
|
|
return 0;
|
|
|
|
}
|
2011-07-25 17:15:15 +07:00
|
|
|
|
2012-03-07 23:32:59 +07:00
|
|
|
static void soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream,
|
|
|
|
int event)
|
2006-10-06 23:32:18 +07:00
|
|
|
{
|
2012-02-17 06:03:27 +07:00
|
|
|
|
2012-03-07 23:32:59 +07:00
|
|
|
struct snd_soc_dapm_widget *w_cpu, *w_codec;
|
|
|
|
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
|
|
|
|
struct snd_soc_dai *codec_dai = rtd->codec_dai;
|
2012-02-17 06:03:27 +07:00
|
|
|
|
2012-03-07 23:32:59 +07:00
|
|
|
if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
|
|
|
|
w_cpu = cpu_dai->playback_widget;
|
|
|
|
w_codec = codec_dai->playback_widget;
|
|
|
|
} else {
|
|
|
|
w_cpu = cpu_dai->capture_widget;
|
|
|
|
w_codec = codec_dai->capture_widget;
|
|
|
|
}
|
2006-10-06 23:32:18 +07:00
|
|
|
|
2012-03-07 23:32:59 +07:00
|
|
|
if (w_cpu) {
|
2012-02-17 10:43:20 +07:00
|
|
|
|
2012-03-07 23:32:59 +07:00
|
|
|
dapm_mark_dirty(w_cpu, "stream event");
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case SND_SOC_DAPM_STREAM_START:
|
|
|
|
w_cpu->active = 1;
|
|
|
|
break;
|
|
|
|
case SND_SOC_DAPM_STREAM_STOP:
|
|
|
|
w_cpu->active = 0;
|
|
|
|
break;
|
|
|
|
case SND_SOC_DAPM_STREAM_SUSPEND:
|
|
|
|
case SND_SOC_DAPM_STREAM_RESUME:
|
|
|
|
case SND_SOC_DAPM_STREAM_PAUSE_PUSH:
|
|
|
|
case SND_SOC_DAPM_STREAM_PAUSE_RELEASE:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (w_codec) {
|
|
|
|
|
|
|
|
dapm_mark_dirty(w_codec, "stream event");
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case SND_SOC_DAPM_STREAM_START:
|
|
|
|
w_codec->active = 1;
|
|
|
|
break;
|
|
|
|
case SND_SOC_DAPM_STREAM_STOP:
|
|
|
|
w_codec->active = 0;
|
|
|
|
break;
|
|
|
|
case SND_SOC_DAPM_STREAM_SUSPEND:
|
|
|
|
case SND_SOC_DAPM_STREAM_RESUME:
|
|
|
|
case SND_SOC_DAPM_STREAM_PAUSE_PUSH:
|
|
|
|
case SND_SOC_DAPM_STREAM_PAUSE_RELEASE:
|
|
|
|
break;
|
|
|
|
}
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
|
|
|
|
2012-03-07 23:32:59 +07:00
|
|
|
dapm_power_widgets(&rtd->card->dapm, event);
|
2010-11-05 20:53:46 +07:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* snd_soc_dapm_stream_event - send a stream event to the dapm core
|
|
|
|
* @rtd: PCM runtime data
|
|
|
|
* @stream: stream name
|
|
|
|
* @event: stream event
|
|
|
|
*
|
|
|
|
* Sends a stream event to the dapm core. The core then makes any
|
|
|
|
* necessary widget power changes.
|
|
|
|
*
|
|
|
|
* Returns 0 for success else error.
|
|
|
|
*/
|
2012-03-07 23:32:59 +07:00
|
|
|
void snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream,
|
|
|
|
int event)
|
2010-11-05 20:53:46 +07:00
|
|
|
{
|
2012-03-07 17:38:26 +07:00
|
|
|
struct snd_soc_card *card = rtd->card;
|
2010-11-05 20:53:46 +07:00
|
|
|
|
2012-03-09 19:02:08 +07:00
|
|
|
mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
|
2012-03-07 23:32:59 +07:00
|
|
|
soc_dapm_stream_event(rtd, stream, event);
|
2012-03-07 17:38:26 +07:00
|
|
|
mutex_unlock(&card->dapm_mutex);
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2008-07-07 19:35:17 +07:00
|
|
|
* snd_soc_dapm_enable_pin - enable pin.
|
2010-11-05 20:53:46 +07:00
|
|
|
* @dapm: DAPM context
|
2008-07-07 19:35:17 +07:00
|
|
|
* @pin: pin name
|
2006-10-06 23:32:18 +07:00
|
|
|
*
|
2009-06-06 17:26:15 +07:00
|
|
|
* Enables input/output pin and its parents or children widgets iff there is
|
2008-07-07 19:35:17 +07:00
|
|
|
* a valid audio route and active audio stream.
|
|
|
|
* NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to
|
|
|
|
* do any widget power switching.
|
2006-10-06 23:32:18 +07:00
|
|
|
*/
|
2010-11-05 20:53:46 +07:00
|
|
|
int snd_soc_dapm_enable_pin(struct snd_soc_dapm_context *dapm, const char *pin)
|
2006-10-06 23:32:18 +07:00
|
|
|
{
|
2010-11-05 20:53:46 +07:00
|
|
|
return snd_soc_dapm_set_pin(dapm, pin, 1);
|
2008-07-07 19:35:17 +07:00
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_enable_pin);
|
2006-10-06 23:32:18 +07:00
|
|
|
|
2010-03-16 02:23:37 +07:00
|
|
|
/**
|
|
|
|
* snd_soc_dapm_force_enable_pin - force a pin to be enabled
|
2010-11-05 20:53:46 +07:00
|
|
|
* @dapm: DAPM context
|
2010-03-16 02:23:37 +07:00
|
|
|
* @pin: pin name
|
|
|
|
*
|
|
|
|
* Enables input/output pin regardless of any other state. This is
|
|
|
|
* intended for use with microphone bias supplies used in microphone
|
|
|
|
* jack detection.
|
|
|
|
*
|
|
|
|
* NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to
|
|
|
|
* do any widget power switching.
|
|
|
|
*/
|
2010-11-05 20:53:46 +07:00
|
|
|
int snd_soc_dapm_force_enable_pin(struct snd_soc_dapm_context *dapm,
|
|
|
|
const char *pin)
|
2010-03-16 02:23:37 +07:00
|
|
|
{
|
2011-04-27 23:34:31 +07:00
|
|
|
struct snd_soc_dapm_widget *w = dapm_find_widget(dapm, pin, true);
|
2010-03-16 02:23:37 +07:00
|
|
|
|
2011-04-27 23:34:31 +07:00
|
|
|
if (!w) {
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_err(dapm->dev, "ASoC: unknown pin %s\n", pin);
|
2011-04-27 23:34:31 +07:00
|
|
|
return -EINVAL;
|
2011-04-06 09:38:14 +07:00
|
|
|
}
|
|
|
|
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_dbg(w->dapm->dev, "ASoC: force enable pin %s\n", pin);
|
2011-04-27 23:34:31 +07:00
|
|
|
w->connected = 1;
|
|
|
|
w->force = 1;
|
2011-10-05 04:28:08 +07:00
|
|
|
dapm_mark_dirty(w, "force enable");
|
2010-03-16 02:23:37 +07:00
|
|
|
|
2011-04-27 23:34:31 +07:00
|
|
|
return 0;
|
2010-03-16 02:23:37 +07:00
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_force_enable_pin);
|
|
|
|
|
2008-07-07 19:35:17 +07:00
|
|
|
/**
|
|
|
|
* snd_soc_dapm_disable_pin - disable pin.
|
2010-11-05 20:53:46 +07:00
|
|
|
* @dapm: DAPM context
|
2008-07-07 19:35:17 +07:00
|
|
|
* @pin: pin name
|
|
|
|
*
|
2009-06-06 17:26:15 +07:00
|
|
|
* Disables input/output pin and its parents or children widgets.
|
2008-07-07 19:35:17 +07:00
|
|
|
* NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to
|
|
|
|
* do any widget power switching.
|
|
|
|
*/
|
2010-11-05 20:53:46 +07:00
|
|
|
int snd_soc_dapm_disable_pin(struct snd_soc_dapm_context *dapm,
|
|
|
|
const char *pin)
|
2008-07-07 19:35:17 +07:00
|
|
|
{
|
2010-11-05 20:53:46 +07:00
|
|
|
return snd_soc_dapm_set_pin(dapm, pin, 0);
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
2008-07-07 19:35:17 +07:00
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_disable_pin);
|
2006-10-06 23:32:18 +07:00
|
|
|
|
2008-09-24 17:23:11 +07:00
|
|
|
/**
|
|
|
|
* snd_soc_dapm_nc_pin - permanently disable pin.
|
2010-11-05 20:53:46 +07:00
|
|
|
* @dapm: DAPM context
|
2008-09-24 17:23:11 +07:00
|
|
|
* @pin: pin name
|
|
|
|
*
|
|
|
|
* Marks the specified pin as being not connected, disabling it along
|
|
|
|
* any parent or child widgets. At present this is identical to
|
|
|
|
* snd_soc_dapm_disable_pin() but in future it will be extended to do
|
|
|
|
* additional things such as disabling controls which only affect
|
|
|
|
* paths through the pin.
|
|
|
|
*
|
|
|
|
* NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to
|
|
|
|
* do any widget power switching.
|
|
|
|
*/
|
2010-11-05 20:53:46 +07:00
|
|
|
int snd_soc_dapm_nc_pin(struct snd_soc_dapm_context *dapm, const char *pin)
|
2008-09-24 17:23:11 +07:00
|
|
|
{
|
2010-11-05 20:53:46 +07:00
|
|
|
return snd_soc_dapm_set_pin(dapm, pin, 0);
|
2008-09-24 17:23:11 +07:00
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_nc_pin);
|
|
|
|
|
2008-05-01 00:27:40 +07:00
|
|
|
/**
|
2008-07-07 19:35:17 +07:00
|
|
|
* snd_soc_dapm_get_pin_status - get audio pin status
|
2010-11-05 20:53:46 +07:00
|
|
|
* @dapm: DAPM context
|
2008-07-07 19:35:17 +07:00
|
|
|
* @pin: audio signal pin endpoint (or start point)
|
2008-05-01 00:27:40 +07:00
|
|
|
*
|
2008-07-07 19:35:17 +07:00
|
|
|
* Get audio pin status - connected or disconnected.
|
2008-05-01 00:27:40 +07:00
|
|
|
*
|
2008-07-07 19:35:17 +07:00
|
|
|
* Returns 1 for connected otherwise 0.
|
2008-05-01 00:27:40 +07:00
|
|
|
*/
|
2010-11-05 20:53:46 +07:00
|
|
|
int snd_soc_dapm_get_pin_status(struct snd_soc_dapm_context *dapm,
|
|
|
|
const char *pin)
|
2008-05-01 00:27:40 +07:00
|
|
|
{
|
2011-04-27 23:34:31 +07:00
|
|
|
struct snd_soc_dapm_widget *w = dapm_find_widget(dapm, pin, true);
|
2008-05-01 00:27:40 +07:00
|
|
|
|
2011-04-27 23:34:31 +07:00
|
|
|
if (w)
|
|
|
|
return w->connected;
|
2011-04-20 04:25:11 +07:00
|
|
|
|
2008-05-01 00:27:40 +07:00
|
|
|
return 0;
|
|
|
|
}
|
2008-07-07 19:35:17 +07:00
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_get_pin_status);
|
2008-05-01 00:27:40 +07:00
|
|
|
|
2010-05-08 03:11:40 +07:00
|
|
|
/**
|
|
|
|
* snd_soc_dapm_ignore_suspend - ignore suspend status for DAPM endpoint
|
2010-11-05 20:53:46 +07:00
|
|
|
* @dapm: DAPM context
|
2010-05-08 03:11:40 +07:00
|
|
|
* @pin: audio signal pin endpoint (or start point)
|
|
|
|
*
|
|
|
|
* Mark the given endpoint or pin as ignoring suspend. When the
|
|
|
|
* system is disabled a path between two endpoints flagged as ignoring
|
|
|
|
* suspend will not be disabled. The path must already be enabled via
|
|
|
|
* normal means at suspend time, it will not be turned on if it was not
|
|
|
|
* already enabled.
|
|
|
|
*/
|
2010-11-05 20:53:46 +07:00
|
|
|
int snd_soc_dapm_ignore_suspend(struct snd_soc_dapm_context *dapm,
|
|
|
|
const char *pin)
|
2010-05-08 03:11:40 +07:00
|
|
|
{
|
2011-04-27 23:34:31 +07:00
|
|
|
struct snd_soc_dapm_widget *w = dapm_find_widget(dapm, pin, false);
|
2010-05-08 03:11:40 +07:00
|
|
|
|
2011-04-27 23:34:31 +07:00
|
|
|
if (!w) {
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_err(dapm->dev, "ASoC: unknown pin %s\n", pin);
|
2011-04-27 23:34:31 +07:00
|
|
|
return -EINVAL;
|
2010-05-08 03:11:40 +07:00
|
|
|
}
|
|
|
|
|
2011-04-27 23:34:31 +07:00
|
|
|
w->ignore_suspend = 1;
|
|
|
|
|
|
|
|
return 0;
|
2010-05-08 03:11:40 +07:00
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_ignore_suspend);
|
|
|
|
|
2011-11-24 02:42:04 +07:00
|
|
|
static bool snd_soc_dapm_widget_in_card_paths(struct snd_soc_card *card,
|
|
|
|
struct snd_soc_dapm_widget *w)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_path *p;
|
|
|
|
|
|
|
|
list_for_each_entry(p, &card->paths, list) {
|
|
|
|
if ((p->source == w) || (p->sink == w)) {
|
|
|
|
dev_dbg(card->dev,
|
|
|
|
"... Path %s(id:%d dapm:%p) - %s(id:%d dapm:%p)\n",
|
|
|
|
p->source->name, p->source->id, p->source->dapm,
|
|
|
|
p->sink->name, p->sink->id, p->sink->dapm);
|
|
|
|
|
|
|
|
/* Connected to something other than the codec */
|
|
|
|
if (p->source->dapm != p->sink->dapm)
|
|
|
|
return true;
|
|
|
|
/*
|
|
|
|
* Loopback connection from codec external pin to
|
|
|
|
* codec external pin
|
|
|
|
*/
|
|
|
|
if (p->sink->id == snd_soc_dapm_input) {
|
|
|
|
switch (p->source->id) {
|
|
|
|
case snd_soc_dapm_output:
|
|
|
|
case snd_soc_dapm_micbias:
|
|
|
|
return true;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* snd_soc_dapm_auto_nc_codec_pins - call snd_soc_dapm_nc_pin for unused pins
|
|
|
|
* @codec: The codec whose pins should be processed
|
|
|
|
*
|
|
|
|
* Automatically call snd_soc_dapm_nc_pin() for any external pins in the codec
|
|
|
|
* which are unused. Pins are used if they are connected externally to the
|
|
|
|
* codec, whether that be to some other device, or a loop-back connection to
|
|
|
|
* the codec itself.
|
|
|
|
*/
|
|
|
|
void snd_soc_dapm_auto_nc_codec_pins(struct snd_soc_codec *codec)
|
|
|
|
{
|
|
|
|
struct snd_soc_card *card = codec->card;
|
|
|
|
struct snd_soc_dapm_context *dapm = &codec->dapm;
|
|
|
|
struct snd_soc_dapm_widget *w;
|
|
|
|
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_dbg(codec->dev, "ASoC: Auto NC: DAPMs: card:%p codec:%p\n",
|
2011-11-24 02:42:04 +07:00
|
|
|
&card->dapm, &codec->dapm);
|
|
|
|
|
|
|
|
list_for_each_entry(w, &card->widgets, list) {
|
|
|
|
if (w->dapm != dapm)
|
|
|
|
continue;
|
|
|
|
switch (w->id) {
|
|
|
|
case snd_soc_dapm_input:
|
|
|
|
case snd_soc_dapm_output:
|
|
|
|
case snd_soc_dapm_micbias:
|
2012-11-19 21:39:12 +07:00
|
|
|
dev_dbg(codec->dev, "ASoC: Auto NC: Checking widget %s\n",
|
2011-11-24 02:42:04 +07:00
|
|
|
w->name);
|
|
|
|
if (!snd_soc_dapm_widget_in_card_paths(card, w)) {
|
2011-11-28 02:42:20 +07:00
|
|
|
dev_dbg(codec->dev,
|
2011-11-24 02:42:04 +07:00
|
|
|
"... Not in map; disabling\n");
|
|
|
|
snd_soc_dapm_nc_pin(dapm, w->name);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2006-10-06 23:32:18 +07:00
|
|
|
/**
|
|
|
|
* snd_soc_dapm_free - free dapm resources
|
2011-08-26 20:33:52 +07:00
|
|
|
* @dapm: DAPM context
|
2006-10-06 23:32:18 +07:00
|
|
|
*
|
|
|
|
* Free all dapm widgets and resources.
|
|
|
|
*/
|
2010-11-05 20:53:46 +07:00
|
|
|
void snd_soc_dapm_free(struct snd_soc_dapm_context *dapm)
|
2006-10-06 23:32:18 +07:00
|
|
|
{
|
2010-11-05 20:53:46 +07:00
|
|
|
snd_soc_dapm_sys_remove(dapm->dev);
|
2011-05-01 00:45:50 +07:00
|
|
|
dapm_debugfs_cleanup(dapm);
|
2010-11-05 20:53:46 +07:00
|
|
|
dapm_free_widgets(dapm);
|
2010-12-14 17:18:32 +07:00
|
|
|
list_del(&dapm->list);
|
2006-10-06 23:32:18 +07:00
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_free);
|
|
|
|
|
2010-11-05 20:53:46 +07:00
|
|
|
static void soc_dapm_shutdown_codec(struct snd_soc_dapm_context *dapm)
|
2009-06-22 19:16:51 +07:00
|
|
|
{
|
2012-07-06 22:57:05 +07:00
|
|
|
struct snd_soc_card *card = dapm->card;
|
2009-06-22 19:16:51 +07:00
|
|
|
struct snd_soc_dapm_widget *w;
|
|
|
|
LIST_HEAD(down_list);
|
|
|
|
int powerdown = 0;
|
|
|
|
|
2012-07-06 22:57:05 +07:00
|
|
|
mutex_lock(&card->dapm_mutex);
|
|
|
|
|
2010-12-14 17:18:31 +07:00
|
|
|
list_for_each_entry(w, &dapm->card->widgets, list) {
|
|
|
|
if (w->dapm != dapm)
|
|
|
|
continue;
|
2009-06-22 19:16:51 +07:00
|
|
|
if (w->power) {
|
2011-01-15 20:14:30 +07:00
|
|
|
dapm_seq_insert(w, &down_list, false);
|
2009-06-26 21:36:56 +07:00
|
|
|
w->power = 0;
|
2009-06-22 19:16:51 +07:00
|
|
|
powerdown = 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* If there were no widgets to power down we're already in
|
|
|
|
* standby.
|
|
|
|
*/
|
|
|
|
if (powerdown) {
|
2012-02-22 22:52:56 +07:00
|
|
|
if (dapm->bias_level == SND_SOC_BIAS_ON)
|
|
|
|
snd_soc_dapm_set_bias_level(dapm,
|
|
|
|
SND_SOC_BIAS_PREPARE);
|
2011-01-15 20:14:30 +07:00
|
|
|
dapm_seq_run(dapm, &down_list, 0, false);
|
2012-02-22 22:52:56 +07:00
|
|
|
if (dapm->bias_level == SND_SOC_BIAS_PREPARE)
|
|
|
|
snd_soc_dapm_set_bias_level(dapm,
|
|
|
|
SND_SOC_BIAS_STANDBY);
|
2009-06-22 19:16:51 +07:00
|
|
|
}
|
2012-07-06 22:57:05 +07:00
|
|
|
|
|
|
|
mutex_unlock(&card->dapm_mutex);
|
2010-03-18 03:15:21 +07:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* snd_soc_dapm_shutdown - callback for system shutdown
|
|
|
|
*/
|
|
|
|
void snd_soc_dapm_shutdown(struct snd_soc_card *card)
|
|
|
|
{
|
|
|
|
struct snd_soc_codec *codec;
|
|
|
|
|
2012-11-09 01:03:12 +07:00
|
|
|
list_for_each_entry(codec, &card->codec_dev_list, card_list) {
|
2010-11-05 20:53:46 +07:00
|
|
|
soc_dapm_shutdown_codec(&codec->dapm);
|
2012-02-22 22:52:56 +07:00
|
|
|
if (codec->dapm.bias_level == SND_SOC_BIAS_STANDBY)
|
|
|
|
snd_soc_dapm_set_bias_level(&codec->dapm,
|
|
|
|
SND_SOC_BIAS_OFF);
|
2010-11-05 20:53:46 +07:00
|
|
|
}
|
2009-06-22 19:16:51 +07:00
|
|
|
}
|
|
|
|
|
2006-10-06 23:32:18 +07:00
|
|
|
/* Module information */
|
2008-10-12 19:17:36 +07:00
|
|
|
MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk");
|
2006-10-06 23:32:18 +07:00
|
|
|
MODULE_DESCRIPTION("Dynamic Audio Power Management core for ALSA SoC");
|
|
|
|
MODULE_LICENSE("GPL");
|