Commit Graph

1795 Commits

Author SHA1 Message Date
Takashi Iwai
0fcd9f4b3c ALSA: control: Embed struct device
This patch embeds a struct device for the control device into the card
object and avoid the device creation at registration time.

Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-02-02 14:42:41 +01:00
Takashi Iwai
4b440be667 ALSA: Add a helper to initialize device
Introduce a new helper function snd_device_initialize() to initialize
the device object for sound devices.

Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-02-02 14:42:33 +01:00
Takashi Iwai
23c18d4bfd ALSA: control: Provide a helper to look for the preferred subdevice
Instead of open-coding the search over the control file loop, provide
a helper function for the preferred subdevice assigned to the current
process.

Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-02-02 14:21:21 +01:00
Takashi Iwai
92b7952da8 ALSA: Allow to pass the device object to snd_register_device*()
This is a preliminary patch for the further work on embedding struct
device into each sound device instance.  It changes
snd_register_device*() helpers to receive the device object directly
for skipping creating a device there.

Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-02-02 14:21:07 +01:00
Takashi Iwai
d832f3dcb6 Merge branch 'topic/ak411x-fix' into for-next 2015-01-28 22:32:10 +01:00
Takashi Iwai
1781e78c63 ALSA: ak411x: Fix race of reinit() calls
Protect the call with a mutex, as this may be called in parallel
(either from the PCM rate change and the clock change).

Acked-by: Jaroslav Kysela <perex@perex.cz>
Tested-by: Pavel Hofman <pavel.hofman@ivitera.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-28 22:30:18 +01:00
Takashi Iwai
1293617cdd ALSA: ak411x: Add PM helper functions
Define snd_ak4114_suspend() and snd_ak4114_resume() functions to
handle PM properly, stopping and restarting the work at PM.
Currently only ice1712/juli.c deals with the PM and ak4114, so fix the
calls there appropriately.

The same PM functions are defined in ak4113.c, too, although they
aren't currently called yet (ice1712/quartet.c may be enhanced to
support PM later).

Acked-by: Jaroslav Kysela <perex@perex.cz>
Tested-by: Pavel Hofman <pavel.hofman@ivitera.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-28 22:30:12 +01:00
Takashi Iwai
4161b4505f ALSA: ak411x: Fix stall in work callback
When ak4114 work calls its callback and the callback invokes
ak4114_reinit(), it stalls due to flush_delayed_work().  For avoiding
this, control the reentrance by introducing a refcount.  Also
flush_delayed_work() is replaced with cancel_delayed_work_sync().

The exactly same bug is present in ak4113.c and fixed as well.

Reported-by: Pavel Hofman <pavel.hofman@ivitera.com>
Acked-by: Jaroslav Kysela <perex@perex.cz>
Tested-by: Pavel Hofman <pavel.hofman@ivitera.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-28 22:29:20 +01:00
Peter Rosin
f66f898e95 ALSA: pcm: Add snd_interval_ranges() and snd_pcm_hw_constraint_ranges()
Add helper functions to allow drivers to specify several disjoint
ranges for a variable. In particular, there is a codec (PCM512x) that
has a hole in its supported range of rates, due to PLL and divider
restrictions.

This is like snd_pcm_hw_constraint_list(), but for ranges instead of
points.

Signed-off-by: Peter Rosin <peda@axentia.se>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-28 19:27:15 +00:00
Takashi Iwai
6cbbfe1c8d ALSA: Include linux/io.h instead of asm/io.h
Nowadays it's recommended.  Replace all in a shot.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-28 16:49:33 +01:00
Thomas Niederprüm
f04b1e760a ASoC: sta32x: add device tree binding.
make the sta32x driver usable with device tree configs.  Code is heavily based
on the sta350 driver.

Signed-off-by: Thomas Niederprüm <niederp@physik.uni-kl.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-27 17:13:25 +00:00
Lars-Peter Clausen
47e039413c ASoC: Add support for allocating AC'97 device before registering it
In some cases it is necessary to before additional operations after the
device has been initialized and before the device is registered. This can
for example be resetting the device.

This patch introduces a new function snd_soc_alloc_ac97_codec() which is
similar to snd_soc_new_ac97_codec() except that it does not register the
device. Any users of snd_soc_alloc_ac97_codec() are responsible for calling
device_add() manually.

Fixes: 6794f709b7 ("ASoC: ac97: Drop delayed device registration")
Reported-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Tested-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
2015-01-26 19:14:20 +00:00
Clemens Ladisch
1001fb810b ALSA: seq: increase the maximum number of queues
Queues are used both for scheduling playback events and for assigning
timestamps to recorded events, so it is easy to need quite a lot of
them, especially on a multi-user system.  Additionally, the actual
queue objects are allocated dynamically, so it does not really make
sense to have a low limit.  Increase it to something still sane.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-26 13:57:29 +01:00
Clemens Ladisch
a55bdf1ec5 ALSA: seq: remove unused callback_all field
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-26 13:56:58 +01:00
Clemens Ladisch
1f2fb11025 ALSA: seq: remove unused symbols
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-26 13:54:55 +01:00
Lars-Peter Clausen
96da4e5b2e ASoC: Remove codec field from snd_soc_dapm_widget
There are no more users of this field left so it can finally be removed.
New users should use snd_soc_dapm_to_codec(w->dapm);

The reason why it is removed is because it doesn't fit to well anymore in
the componentized ASoC hierarchy, where DAPM works on the snd_soc_component
level. And the alternative of snd_soc_dapm_to_codec(w->dapm) typically
generates the same amount of code, so there is really no reason to keep it.

For automatic conversion the following coccinelle semantic patch can be used:
// <smpl>
@@
struct snd_soc_dapm_widget *w;
@@
-w->codec
+snd_soc_dapm_to_codec(w->dapm)
// </smpl>

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-15 11:57:34 +00:00
Jyri Sarha
f9911803e8 ASoC: simple-card: Enable and disable DAI clocks as needed
Call clk_prepare_enable() and clk_disable_unprepare() for cpu dai
clock and codec dai clock in dai statup and shutdown callbacks. This
to make sure the related clock are enabled when the audio device is
used.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-15 11:45:52 +00:00
Qais Yousef
7b617289b6 ALSA: compress_driver.h: include sound/core.h explicitly
Fixes the following compilation error:

   include/sound/compress_driver.h: In function ‘snd_compr_drain_notify’:
   include/sound/compress_driver.h:177:2: error: implicit declaration of function ‘snd_BUG_ON’ [-Werror=implicit-function-declaration]
     if (snd_BUG_ON(!stream))

snd_BUG_ON() is defined in sound/core.h but the file is not included explicitly,
so include it.

Signed-off-by: Qais Yousef <qais.yousef@imgtec.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-13 16:50:31 +01:00
Kuninori Morimoto
cfcefe0126 ASoC: rsnd: add recovery support for under/over flow error on SRC
L/R channel will be switched if under/over flow error happen on
Renesas R-Car sound device by the HW bugs. Then, HW restart is required
for salvage. This patch add salvage support for SRC.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-12 12:59:32 +00:00
Oder Chiou
277880a356 ASoC: rt5677: Add the MICBIAS VDD setting in the platform data
The patch adds the MICBIAS VDD setting in the platform data. It can be set to
1V8 or 3V3 in the MICBIAS VDD.

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-08 18:36:02 +00:00
Lars-Peter Clausen
ce64c8b9cf ASoC: Add helper function for changing the DAI link format
For some setups it is necessary to change the DAI link format at runtime.
This patch factors out the code that does the initial static DAI link format
configuration into a separate helper function which can be used board
drivers as well.

This allows board drivers that have to change the DAI link format at runtime
to reuse it instead of having to manually change the format on all DAIs.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-07 18:01:57 +00:00
Lars-Peter Clausen
adc2ae0bb6 ALSA: pcm: Remove unused functions declaration
Remove function declarations for functions that don't have a matching
implementation.

For snd_pcm_build_linear_format the implementation was removed in
64d27f96cb ("[ALSA] Support 3-bytes 24bit format in PCM OSS
emulation"). All the others never had one (as far as git history goes).

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-03 20:59:57 +01:00
Lars-Peter Clausen
bb814c396a ALSA: emu10k1: Remove always NULL parameters
The various PCM and hwdep allocation functions in this driver take a pointer
to a pointer of a PCM/hwdep where if this parameter is provided the newly
allocated object is stored. All callers pass NULL though, so remove the
parameter.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-02 16:32:45 +01:00
Lars-Peter Clausen
fa60c06569 ALSA: wss: Remove (almost) always NULL parameters
Most callers of snd_wss_pcm(), snd_wss_timer() and snd_cs4236_pcm() pass
NULL as the last parameter, some callers pass a pointer but never use it
after the function has been called and only a few callers pass a pointer and
actually use it. The later is only the case for snd_wss_pcm() for
snd_cs4236_pcm() and it is possible to get the same PCM object by accessing
the pcm field of the snd_wss struct that was passed as the first parameter.

This function removes the last parameters from the functions mentioned above
and updates the callers which used it to use chip->pcm instead. This allows
us to slightly simplify the functions since they don't have to check and set
the last parameter anymore which makes the code slightly shorter and
cleaner.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-02 16:30:08 +01:00
Lars-Peter Clausen
92533f1888 ASoC: sb16: Simplify snd_sb16dsp_pcm()
All callers of snd_sb16dsp_pcm() always pass the pcm field of the first
parameter as the last parameter. Simplify the function by moving this inside
the function itself. This makes the code a bit shorter and cleaner.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-02 16:28:35 +01:00
Lars-Peter Clausen
8c77629996 ALSA: sb8: Remove always NULL parameters
snd_sb8dsp_pcm() and snd_sb8dsp_midi() take a pointer to a pointer of a
PCM/MIDI where if this parameter is provided the newly allocated object is
stored. All callers pass NULL though, so remove the parameter. This makes
the code a bit cleaner and shorter.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-02 16:28:21 +01:00
Lars-Peter Clausen
db5abb3c49 ALSA: gus: Remove always NULL parameters
snd_gf1_pcm_new() and snd_gf1_rawmidi_new() take a pointer to a pointer of a
PCM/MIDI where if this parameter is provided the newly allocated object is
stored. All callers pass NULL though, so remove the parameter. This makes
the code a bit cleaner and shorter.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-02 16:27:42 +01:00
Lars-Peter Clausen
4b8ab88518 ALSA: es1688: Remove almost always NULL parameter
snd_es1688_pcm() takes a pointer to a pointer of a PCM where if this
parameter is provided the newly allocated PCM is stored. This PCM is also
available from the pcm field of the snd_es1688 struct that got passed to the
same function. This patch updates all callers which passed a pointer to use
that field instead and then removes the parameter from the function. This
makes the code a bit shorter and cleaner.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-02 16:27:03 +01:00
Lars-Peter Clausen
7f60541883 ALSA: ad1816a: Remove always NULL parameters
snd_ad1816a_pcm() and snd_ad1816a_timer() take a pointer to a pointer of a
PCM/timer where if this parameter is provided the newly allocated object is
stored. All callers pass NULL though, so remove the parameter. This makes
the code a bit cleaner and shorter.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-02 16:26:20 +01:00
Libin Yang
48d882978e ALSA: pcm: add SNDRV_PCM_TRIGGER_DRAIN trigger
Add SNDRV_PCM_TRIGGER_DRAIN trigger for pcm drain.

Some audio devices require notification of drain events
in order to properly drain and shutdown an audio stream.

Signed-off-by: Libin Yang <libin.yang@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-12-31 17:10:08 +01:00
Takashi Iwai
240491e143 Merge branch 'topic/pcm-params' into for-next 2014-12-30 16:42:07 +01:00
Lars-Peter Clausen
757b037650 ALSA: pcm: Replace custom ld2 function with __fls
__fls has the same semantics as ld2, so there is no need to re-implement it.
Furthermore a lot of architectures have custom implementations of __fls that
are able to use special hardware instructions to compute the result. This
makes the code slightly shorter and faster.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-12-30 16:41:56 +01:00
Lars-Peter Clausen
599ee3291a ALSA: pcm: Use __ffs() instead of ffs() in snd_mask_min()
The difference between __ffs and ffs is that ffs will return a one based
index whereas __ffs will return a zero based index. Furthermore ffs will
check if the passed value is zero and return zero in that case, whereas
__ffs behavior is undefined if the passed parameter is 0.

Since we already check if the mask is 0 before calling ffs and also subtract
1 from the result __ffs is the better choice.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-12-30 16:41:55 +01:00
Lars-Peter Clausen
cd9978f1d3 ALSA: pcm: Simplify params_period_bytes()
The hw_params struct has a parameter that contains the period size in bytes.
This can be used instead of deriving the value from other parameters. This
is similar to e.g. params_buffer_bytes()

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-12-30 16:41:55 +01:00
Lars-Peter Clausen
89827ca9dd ALSA: pcm: Add kernel doc for params_*() functions
Add kernel doc for the remaining undocumented params_*() functions.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-12-30 16:41:54 +01:00
Lars-Peter Clausen
744c2ad2f9 ALSA: pcm: Convert params_* mask helpers to static inline functions
Use static inline functions instead of macros for the remaining params_*()
helpers that have not been converted yet. This is slightly cleaner and
offers better type safety.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-12-30 16:41:54 +01:00
Lars-Peter Clausen
b3a8c862cd ALSA: pcm: Remove unused SNDRV_PCM_IOCTL1_{FALSE,TRUE} defines
Both SNDRV_PCM_IOCTL1_FALSE and SNDRV_PCM_IOCTL1_TRUE are unused and have in
fact never been used (at least as far as the git history goes).

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-12-30 16:41:54 +01:00
Lars-Peter Clausen
26c0d8a415 ALSA: pcm_params: Remove unused add/sub functions
Those two functions are not used anywhere and also their name is a bit to
generic to be in a global header, so remove them.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-12-30 16:41:54 +01:00
Lars-Peter Clausen
62f64a880a ALSA: pcm: Fix kerneldoc for params_*() functions
Fix a copy and paste error in the kernel doc description for the params_*()
functions.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-12-30 16:41:11 +01:00
Lars-Peter Clausen
86d7500326 ASoC: dapm: Simplify fully route card handling
For legacy reasons the ASoC framework assumes that a CODEC INPUT or OUTPUT
widget that is not explicitly connected to a external source or sink is
potentially connected to a source or a sink and hence the framework treats
the widget itself as source (for INPUT) or sink (for OUTPUT). For this
reason a INPUT or OUTPUT widget that is really not connected needs to be
explicitly marked as so.

Setting the card's fully_routed flag will cause the ASoC core, once that all
widgets and routes have been registered, to go through the list of all
widgets and mark all INPUT and OUTPUT that are not externally connected as
non-connected. This essentially negates the default behaviour of treating
INPUT or OUTPUT widgets without external routes as sources or sinks.

This patch takes a different approach while getting the same result. Instead
of first marking INPUT and OUTPUT widgets as sinks/sources and then later
marking them as non-connected, just never mark them as a sink or a source if
the fully_routed flag is set on a card.

This requires a lot less code and also results in a slightly faster card
initialization since there is no need to iterate over all widgets and check
whether the INPUT and OUTPUT widgets are connected or not.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-12-22 12:44:59 +00:00
Linus Torvalds
bae41e45b7 sound updates for 3.19-rc1
This became a fairly large pull request.  In addition to the usual
 driver updates / fixes, there have been a high amount of cleanups in
 ASoC area, as well as control API helpers and kernel documentations
 fixes touching through the whole tree.
 
 In the driver side, the biggest changes are the support for new Intel
 SoC found on new x86 machines, and the updates of FireWire dice and
 oxfw drivers.
 
 Some remarkable items are below:
 
 * ALSA core
  - PCM mmap code cleanup, removal of arch-dependent codes
  - PCM xrun injection support
  - PCM hwptr tracepoint support
  - Refactoring of snd_pcm_action(), simplification of PCM locking
  - Robustified sequecner auto-load functionality
  - New control API helpers and lots of cleanups along with them
  - Lots of kerneldoc fixes and cleanups
 
 * USB-audio
  - The mixer resume code was largely rewritten, and the devices with
    quirks are resumed properly.
  - New hardware support: Focusrite Scarlett, Digidesign Mbox1,
    Denon/Marantz DACs, Zoom R16/24
 
 * FireWire
  - DICE driver updates with better duplex and sync support, including
    MIDI support
  - New OXFW driver for Oxford Semiconductor FW970/971 chipset,
    including the previous LaCie Speakers device.  Fullduplex and MIDI
    support included as well as DICE driver.
 
 * HD-audio
  - Refactoring the driver-caps quirk handling in snd-hda-intel
  - More consistent control names representing the topology better
  - Fixups: HP mute LED with ALC268 codec, Ideapad S210 built-in mic
    fix, ASUS Z99He laptop EAPD
 
 * ASoC
  - Conversion of AC'97 drivers to use regmap, bringing us closer to
    the removal of the ASoC level I/O code
  - Clean up a lot of old drivers that were open coding things that
    have subsequently been implemented in the core
  - Some DAPM performance improvements
  - Removal of the now seldom used CODEC mutex
  - Lots of updates for the newer Intel SoC support, including support
    for the DSP and some Cherrytrail and Braswell machine drivers
  - Support for Samsung boards using rt5631 as the CODEC
  - Removal of the obsolete AFEB9260 machine driver
  - Driver support for the TI TS3A227E headset driver used in some
    Chrombeooks
 
 * Others
  - ASIHPI driver update and cleanups
  - Lots of dev_*() printk conversions
  - Lots of trivial cleanups for the codes spotted by Coccinelle
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Merge tag 'sound-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "This became a fairly large pull request.  In addition to the usual
  driver updates / fixes, there have been a high amount of cleanups in
  ASoC area, as well as control API helpers and kernel documentations
  fixes touching through the whole tree.

  In the driver side, the biggest changes are the support for new Intel
  SoC found on new x86 machines, and the updates of FireWire dice and
  oxfw drivers.

  Some remarkable items are below:

  ALSA core:
   - PCM mmap code cleanup, removal of arch-dependent codes
   - PCM xrun injection support
   - PCM hwptr tracepoint support
   - Refactoring of snd_pcm_action(), simplification of PCM locking
   - Robustified sequecner auto-load functionality
   - New control API helpers and lots of cleanups along with them
   - Lots of kerneldoc fixes and cleanups

  USB-audio:
   - The mixer resume code was largely rewritten, and the devices with
     quirks are resumed properly.
   - New hardware support: Focusrite Scarlett, Digidesign Mbox1,
     Denon/Marantz DACs, Zoom R16/24

  FireWire:
   - DICE driver updates with better duplex and sync support, including
     MIDI support
   - New OXFW driver for Oxford Semiconductor FW970/971 chipset,
     including the previous LaCie Speakers device.  Fullduplex and MIDI
     support included as well as DICE driver.

  HD-audio:
   - Refactoring the driver-caps quirk handling in snd-hda-intel
   - More consistent control names representing the topology better
   - Fixups: HP mute LED with ALC268 codec, Ideapad S210 built-in mic
     fix, ASUS Z99He laptop EAPD

  ASoC:
   - Conversion of AC'97 drivers to use regmap, bringing us closer to
     the removal of the ASoC level I/O code
   - Clean up a lot of old drivers that were open coding things that
     have subsequently been implemented in the core
   - Some DAPM performance improvements
   - Removal of the now seldom used CODEC mutex
   - Lots of updates for the newer Intel SoC support, including support
     for the DSP and some Cherrytrail and Braswell machine drivers
   - Support for Samsung boards using rt5631 as the CODEC
   - Removal of the obsolete AFEB9260 machine driver
   - Driver support for the TI TS3A227E headset driver used in some
     Chrombeooks

  Others:
   - ASIHPI driver update and cleanups
   - Lots of dev_*() printk conversions
   - Lots of trivial cleanups for the codes spotted by Coccinelle"

* tag 'sound-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (594 commits)
  ALSA: pcxhr: NULL dereference on probe failure
  ALSA: lola: NULL dereference on probe failure
  ALSA: hda - Add "eapd" model string for AD1986A codec
  ALSA: hda - Add EAPD fixup for ASUS Z99He laptop
  ALSA: oxfw: Add hwdep interface
  ALSA: oxfw: Add support for capture/playback MIDI messages
  ALSA: oxfw: add support for capturing PCM samples
  ALSA: oxfw: Add support AMDTP in-stream
  ALSA: oxfw: Add support for Behringer/Mackie devices
  ALSA: oxfw: Change the way to start stream
  ALSA: oxfw: Add proc interface for debugging purpose
  ALSA: oxfw: Change the way to make PCM rules/constraints
  ALSA: oxfw: Add support for AV/C stream format command to get/set supported stream formation
  ALSA: oxfw: Change the way to name card
  ALSA: dice: Add support for MIDI capture/playback
  ALSA: dice: Add support for capturing PCM samples
  ALSA: dice: Support for non SYT-Match sampling clock source mode
  ALSA: dice: Add support for duplex streams with synchronization
  ALSA: dice: Change the way to start stream
  ALSA: jack: Add dummy snd_jack_set_key() definition
  ...
2014-12-11 13:20:50 -08:00
Linus Torvalds
413fd0e3fb fbdev changes for 3.19
* support for mx6sl and mx6sx
 * OMAP HDMI audio rewrite to make it finally work
 * OMAP video PLL work to prepare for new DRA7xx SoCs
 * simplefb DT related improvements
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Merge tag 'fbdev-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux

Pull fbdev updates from Tomi Valkeinen:
 - support for mx6sl and mx6sx
 - OMAP HDMI audio rewrite to make it finally work
 - OMAP video PLL work to prepare for new DRA7xx SoCs
 - simplefb DT related improvements

* tag 'fbdev-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (81 commits)
  video: uvesafb: Deletion of an unnecessary check before the function call "platform_device_put"
  video: fbdev-VIA: Deletion of an unnecessary check before the function call "framebuffer_release"
  video: fbdev-MMP: Deletion of an unnecessary check before the function call "mmp_unregister_path"
  video: mx3fb: Deletion of an unnecessary check before the function call "backlight_device_unregister"
  video: fbdev-OMAP2: Deletion of unnecessary checks before the function call "i2c_put_adapter"
  video: fbdev-SIS: Deletion of unnecessary checks before the function call "pci_dev_put"
  video: smscufx: Deletion of unnecessary checks before the function call "vfree"
  video: udlfb: Deletion of unnecessary checks before the function call "vfree"
  video: uvesafb: Deletion of an unnecessary check before the function call "uvesafb_free"
  video: fbdev-LCDC: Deletion of an unnecessary check before the function call "vfree"
  video: fbdev: arkfb: suppress build warning
  video: fbdev: s3fb: suppress build warning
  video: fbdev: vt8623fb: suppress build warning
  OMAPDSS: hdmi5: Fix bit field for IEC958_AES2_CON_SOURCE
  OMAPDSS: hdmi: Remove __exit qualifier from hdmi_uninit_output()
  OMAPDSS: hdmi5: Change hdmi_wp idlemode to to no_idle for audio playback
  OMAPDSS: Remove all references to obsolete HDMI audio callbacks
  ASoC: omap: Remove obsolete HDMI audio code and Kconfig options
  OMAPDSS: hdmi5: Register ASoC platform device for omap hdmi audio
  OMAPDSS: hdmi5: Remove callbacks for the old ASoC DAI driver
  ...
2014-12-11 12:46:32 -08:00
Takashi Iwai
bf35df66f1 ALSA: jack: Add dummy snd_jack_set_key() definition
For fixing a build error with CONFIG_SND_JACK=n
  sound/soc/codecs/ts3a227e.c:223:2: error: implicit declaration of function ‘snd_jack_set_key’ [-Werror=implicit-function-declaration]

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-12-08 15:44:47 +01:00
Takashi Iwai
e5edba464c ASoC: Updates for v3.19
Lots and lots of changes this time around, the usual set of driver
 updates and a huge bulk of cleanups from Lars-Peter.  Probably the most
 interesting thing for most users is the Intel driver updates which will
 (with some more machine integration work) enable support for newer x86
 laptops.
 
  - Conversion of AC'97 drivers to use regmap, bringing us closer to the
    removal of the ASoC level I/O code.
  - Clean up a lot of old drivers that were open coding things that have
    subsequently been implemented in the core.
  - Some DAPM performance improvements.
  - Removal of the now seldom used CODEC mutex.
  - Lots of updates for the newer Intel SoC support, including support
    for the DSP and some Cherrytrail and Braswell machine drivers.
  - Support for Samsung boards using rt5631 as the CODEC.
  - Removal of the obsolete AFEB9260 machine driver.
  - Driver support for the TI TS3A227E headset driver used in some
    Chrombeooks.
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Merge tag 'asoc-v3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Updates for v3.19

Lots and lots of changes this time around, the usual set of driver
updates and a huge bulk of cleanups from Lars-Peter.  Probably the most
interesting thing for most users is the Intel driver updates which will
(with some more machine integration work) enable support for newer x86
laptops.

 - Conversion of AC'97 drivers to use regmap, bringing us closer to the
   removal of the ASoC level I/O code.
 - Clean up a lot of old drivers that were open coding things that have
   subsequently been implemented in the core.
 - Some DAPM performance improvements.
 - Removal of the now seldom used CODEC mutex.
 - Lots of updates for the newer Intel SoC support, including support
   for the DSP and some Cherrytrail and Braswell machine drivers.
 - Support for Samsung boards using rt5631 as the CODEC.
 - Removal of the obsolete AFEB9260 machine driver.
 - Driver support for the TI TS3A227E headset driver used in some
   Chrombeooks.
2014-12-08 15:04:02 +01:00
Mark Brown
45cbdda46b Merge remote-tracking branches 'asoc/topic/twl6040', 'asoc/topic/uda134x', 'asoc/topic/uda1380' and 'asoc/topic/wl1273' into asoc-next 2014-12-08 13:12:21 +00:00
Mark Brown
4c90877646 Merge remote-tracking branches 'asoc/topic/rt5645', 'asoc/topic/rt5670', 'asoc/topic/rt5677', 'asoc/topic/samsung' and 'asoc/topic/sgtl5000' into asoc-next 2014-12-08 13:12:09 +00:00
Mark Brown
6e6d57d07a Merge remote-tracking branches 'asoc/topic/rcar', 'asoc/topic/rockchip', 'asoc/topic/rt286' and 'asoc/topic/rt5631' into asoc-next 2014-12-08 13:12:07 +00:00
Mark Brown
c9098c6120 Merge remote-tracking branches 'asoc/topic/multi-codec', 'asoc/topic/mxs-saif', 'asoc/topic/mxs-sgtl5000', 'asoc/topic/omap' and 'asoc/topic/pxa' into asoc-next 2014-12-08 13:12:05 +00:00
Mark Brown
cfdf59b4a1 Merge remote-tracking branches 'asoc/topic/codec-mutex', 'asoc/topic/compress' and 'asoc/topic/cq93vc' into asoc-next 2014-12-08 13:11:52 +00:00
Mark Brown
0a7e4ca1aa Merge remote-tracking branches 'asoc/topic/ac97', 'asoc/topic/ad193x', 'asoc/topic/adau1373' and 'asoc/topic/adau17x1' into asoc-next 2014-12-08 13:11:45 +00:00
Mark Brown
941725f5fa Merge remote-tracking branch 'asoc/topic/core' into asoc-next 2014-12-08 13:11:44 +00:00
Mark Brown
3ee3f45463 Merge remote-tracking branch 'asoc/topic/cache' into asoc-next 2014-12-08 13:11:44 +00:00
Kuninori Morimoto
6cfad78961 ASoC: rsnd: rename SSI function name of PIO
Current R-Car sound SSI PIO/DMA mode are using interrupt.
it is no longer "xxx_pio_xxx", rename it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-12-07 13:46:38 +00:00
Jyri Sarha
50211be802 ASoC: omap-hdmi-audio: Add platform device for OMAP HDMI audio support
The platform device should only be registered from OMAPDSS HDMI
driver. The platform driver registers and unregisters all ASoC
components needed for OMAP HDMI audio.

The hdmi audio driver implements cpu-dai component using the callbacks
provided by OMAPDSS and registers the component under DSS HDMI
device. Omap-pcm is registered for platform component also under DSS
HDMI device. Dummy codec is used as as codec component. The hdmi audio
driver implements also the card and registers it under its own
platform device.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-12-01 11:09:23 +02:00
Takashi Iwai
5031466387 Merge branch 'for-linus' into for-next
The commit [7a2e9ddc: ALSA: usb-audio: Add native DSD support for
Denon/Marantz DACs] requires the new format definition that has
landed only in for-next branch.
2014-11-28 18:30:19 +01:00
Jean-Francois Moine
c362effe5c ASoC: Remove 'const' from the device_node pointers
As Russell King's explained it, there should not be pointers to
struct device_node:

"struct device_node is a ref-counted structure.  That means if you
 store a reference to it, you should "get" it, and you should "put"
 it once you've done.  The act of "put"ing the pointed-to structure
 involves writing to that structure, so it is totally unappropriate
 to store a device_node structure as a const pointer.  It forces you
 to have to cast it back to a non-const pointer at various points
 in time to use various OF function calls."

[This isn't quite the application here, we're not geting or putting the
pointer though we did add some other users who call non-const OF
functions -- broonie]

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-25 22:26:34 +00:00
Lars-Peter Clausen
e874bf5f76 ASoC: Disable regmap helpers if regmap is disabled
If regmap is disabled there will be no users of the ASoC regmap helpers.
Furthermore regmap_exit() will no be defined causing the following compile
error:
	sound/soc/soc-core.c: In function 'snd_soc_component_exit_regmap':
	sound/soc/soc-core.c:2645:2: error: implicit declaration of function
		'regmap_exit' [-Werror=implicit-function-declaration]

So disable the helpers if regmap is disabled.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Fixes: 20feb88198 ASoC: Add helper functions for deferred regmap setup")
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-25 21:15:31 +00:00
Jean-Francois Moine
93b0f3eeeb ASoC: core: add multi-codec support in DT
This patch exports a core function which handles the DT description
of multi-codec links (as: "sound-dai = <&hdmi 0>, <&spdif_codec>;")
and creates a CODEC component array in the DAI link.

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-25 13:21:14 +00:00
Bard Liao
2d4e2d0205 ASoC: rt5645: multiple JD mode support
There are 3 JD modes in RT5645. This patch configure register
values according to platform data.

Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-25 12:09:48 +00:00
Lars-Peter Clausen
a6e4599f8d ASoC: uda134x: Remove is_powered_on_standby from platform data
According to its documentation the is_powered_on_standby field of the
uda134x platform data is supposed to prevent the the driver from shutting
down the ADC and DAC in standby mode. This behavior was broken in commit
commit f0fba2ad1b ("ASoC: multi-component - ASoC Multi-Component Support")
almost 5 years ago and all the flag does now is cause the driver to go to
SND_SOC_BIAS_ON in probe, just for the ASoC core to put it back into
SND_SOC_BIAS_STANDBY right after probe.

Apparently the intended behavior has not been missed, so just remove
is_powered_on_standby from the platform data struct.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-24 18:04:49 +00:00
Jussi Laako
d42472ecff ALSA: pcm: Add big-endian DSD sample formats and fix XMOS DSD sample format
This patch fixes XMOS DSD sample format to DSD_U32_BE and also adds
DSD_U16_BE and DSD_U32_BE sample formats.

Signed-off-by: Jussi Laako <jussi@sonarnerd.net>
Acked-by: Jurgen Kramer <gtmkramer@xs4all.nl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-11-21 15:13:28 +01:00
Takashi Iwai
a69862d8d0 Merge branch 'for-linus' into test/usb-resume 2014-11-20 21:46:04 +01:00
Mark Brown
e975cec295 Merge branch 'topic/regmap' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-ac97 2014-11-19 10:48:20 +00:00
Lars-Peter Clausen
20feb88198 ASoC: Add helper functions for deferred regmap setup
Some drivers (most notably the AC'97 drivers) do not have access to their
regmap struct when the component/codec is registered. For those drivers the
automatic regmap setup will not work and needs to be done manually,
typically from the component/CODEC drivers probe callback.

This patch adds a set of helper function to handle deferred regmap
initialization as well as early regmap tear-down.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-19 10:46:03 +00:00
Lars-Peter Clausen
358a8bb562 ASoC: ac97: Push snd_ac97 pointer to the driver level
Now that the ASoC core no longer needs a handle to the AC'97 device that is
associated with a CODEC we can remove it from the snd_soc_codec struct and
push it into the individual driver state structs like we do for other
communication buses. Doing so creates a clean separation between the AC'97
bus support and the ASoC core.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-18 15:38:03 +00:00
Lars-Peter Clausen
bc26321404 ASoC: Rename snd_soc_dai_driver struct ac97_control field to bus_control
Setting the ac97_control field on a CPU DAI tells the ASoC core that this
DAI in addition to audio data also transports control data to the CODEC.
This causes the core to suspend the DAI after the CODEC and resume it before
the CODEC so communication to the CODEC is still possible. This is not
necessarily something that is specific to AC'97 and can be used by other
buses with the same requirement. This patch renames the flag from
ac97_control to bus_control to make this explicit.

While we are at it also change the type from int to bool.

The following semantich patch was used for automatic conversion of the
drivers:
// <smpl>
@@
identifier drv;
@@
struct snd_soc_dai_driver drv = {
-	.ac97_control
+	.bus_control
	=
-	1
+	true
};
// </smpl>

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-18 15:38:03 +00:00
Lars-Peter Clausen
6794f709b7 ASoC: ac97: Drop delayed device registration
We have all the information and dependencies we need to initialize and
register the device available in snd_soc_new_ac97_codec(). So there is no
need to delay the device registration until after the card itself as been
registered.

This makes the code significantly simpler and also makes it possible to use
the AC'97 device in the CODECs probe function. The later will be required to
be able to convert the AC'97 CODEC drivers to regmap.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-18 15:37:58 +00:00
Lars-Peter Clausen
ca005f324e ASoC: ac97: Drop support for setting platform data via the CPU DAI
This has no users since commit f0fba2ad1b ("ASoC: multi-component - ASoC
Multi-Component Support") which was almost 5 years ago. Given that this runs
after CODEC probe functions have been run it also doesn't seem to be that
useful.

So drop it altogether to make the code simpler.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-18 15:37:58 +00:00
Lars-Peter Clausen
eda1a701fd ASoC: ac97: Use static ac97_bus
We always pass soc_ac97_ops to snd_soc_new_ac97_codec(). So instead of
allocating a snd_ac97_bus in snd_soc_new_ac97_codec() just use a static one
that gets initialized when snd_soc_set_ac97_ops() is called.

Also drop the device number parameter from snd_soc_new_ac97_codec(). We
currently only support one device per bus and all drivers pass 0 for the
device number. And if we should ever support multiple devices per bus it
wouldn't be up to individual AC'97 device drivers to pick their number, but
rather either the AC'97 adapter driver or the core code will assign them.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-18 15:37:46 +00:00
Lars-Peter Clausen
336b8423e2 ASoC: Move AC'97 support to its own file
Currently the AC'97 support is splattered all throughout soc-core.c. Some
parts are #ifdef'd some parts are not. This patch moves the AC'97 support to
its own file, this should make the code a bit more clearer and also makes it
possible to easily not compile it into the kernel when not needed.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-18 15:26:06 +00:00
Lars-Peter Clausen
bd6b87c104 ASoC: Remove CODEC mutex
The CODEC mutex is now unused and can be removed.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-10 19:08:31 +00:00
Takashi Iwai
1fb8510cdb ALSA: pcm: Add snd_pcm_stop_xrun() helper
Add a new helper function snd_pcm_stop_xrun() to the standard sequnce
lock/snd_pcm_stop(XRUN)/unlock by a single call, and replace the
existing open codes with this helper.

The function checks the PCM running state to prevent setting the wrong
state, too, for more safety.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-11-09 18:20:40 +01:00
Lars-Peter Clausen
427d204c86 ASoC: Remove snd_soc_cache_sync() implementation
This function has no more non regmap user, which means we can remove the
implementation of the function and associated functions and structure
fields.

For convenience we keep a static inline version of the function that
forwards calls to regcache_sync() unconditionally.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-09 09:06:30 +00:00
Bard Liao
bb656add19 ASoC: rt5645: Add JD function support
rt5645 codec support jack detection function. The patch will set
related registers if JD function is used.

Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-06 12:33:49 +00:00
Takashi Iwai
ea9d0d771f ASoC: dpcm: Fix race between FE/BE updates and trigger
DPCM can update the FE/BE connection states totally asynchronously
from the FE's PCM state.  Most of FE/BE state changes are protected by
mutex, so that they won't race, but there are still some actions that
are uncovered.  For example, suppose to switch a BE while a FE's
stream is running.  This would call soc_dpcm_runtime_update(), which
sets FE's runtime_update flag, then sets up and starts BEs, and clears
FE's runtime_update flag again.

When a device emits XRUN during this operation, the PCM core triggers
snd_pcm_stop(XRUN).  Since the trigger action is an atomic ops, this
isn't blocked by the mutex, thus it kicks off DPCM's trigger action.
It eventually updates and clears FE's runtime_update flag while
soc_dpcm_runtime_update() is running concurrently, and it results in
confusion.

Usually, for avoiding such a race, we take a lock.  There is a PCM
stream lock for that purpose.  However, as already mentioned, the
trigger action is atomic, and we can't take the lock for the whole
soc_dpcm_runtime_update() or other operations that include the lengthy
jobs like hw_params or prepare.

This patch provides an alternative solution.  This adds a way to defer
the conflicting trigger callback to be executed at the end of FE/BE
state changes.  For doing it, two things are introduced:

- Each runtime_update state change of FEs is protected via PCM stream
  lock.
- The FE's trigger callback checks the runtime_update flag.  If it's
  not set, the trigger action is executed there.  If set, mark the
  pending trigger action and returns immediately.
- At the exit of runtime_update state change, it checks whether the
  pending trigger is present.  If yes, it executes the trigger action
  at this point.

Reported-and-tested-by: Qiao Zhou <zhouqiao@marvell.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
2014-11-04 17:18:32 +00:00
Takashi Iwai
2b30d411db ALSA: pcm: Add xrun_injection proc entry
This patch adds a new proc entry for PCM substreams to inject an
XRUN.  When a PCM substream is running and any value is written to its
xrun_injection proc file, the driver triggers XRUN.  This is a useful
feature for debugging XRUN and error handling code paths.

Note that this entry is enabled only when CONFIG_SND_PCM_XRUN_DEBUG is
set.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-11-04 14:09:16 +01:00
Lars-Peter Clausen
313665b983 ASoC: Remove card field from snd_soc_dai struct
The card field of the snd_soc_dai field is very rarely used. We can use
dai->component->card instead and remove the card field from the snd_soc_dai
struct.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-04 11:53:53 +00:00
Mark Brown
ff1b1c3fef Merge branch 'topic/dapm' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-core 2014-11-04 11:53:49 +00:00
Lars-Peter Clausen
2a374b78f5 ASoC: Remove platform field from snd_soc_dai
Typically a DAI does not need direct access to the platform. Currently the
only user of this field is in a platform driver where we have a more direct
way of getting a pointer to the platform. This patch updates the driver to
use the more direct way and then removes the platform field from the
snd_soc_dai struct.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-03 12:17:07 +00:00
Lars-Peter Clausen
dd63a9c295 ASoC: Remove snd_soc_platform_driver suspend/resume callbacks
Those are unused and new drivers should use device driver suspend/resume.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-03 12:17:07 +00:00
Takashi Iwai
85926e0fe8 ALSA: pcm: Convert params_*() with static inline functions
... and add proper kerneldoc comments.
There is no big reason to keep them as macros.  Static inline
functions are safer in general, and suitable for kerneldoc, too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-10-30 15:42:32 +01:00
Takashi Iwai
30b771cf8c ALSA: pcm: More kerneldoc updates
Add proper kerneldoc comments to the exported functions.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-10-30 15:42:27 +01:00
Takashi Iwai
f213d8f79a ALSA: pcm: Use static inline for snd_pcm_lib_alloc_vmalloc_buffer()
... instead of #if 0 hack.  It's more straightforward and obvious.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-10-30 13:48:29 +01:00
Takashi Iwai
e83280f96f ALSA: doc: Fix enum snd_jack_types comments
Follow the proper kerneldoc rule, and complete enum item comments.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-10-29 08:20:46 +01:00
Vinod Koul
859b2e374a ALSA: compress: fix documentation errors
Some structure documentation was not right so fix it now

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-10-28 17:40:27 +01:00
Takashi Iwai
7b366d5f16 ALSA: jack: Fix kerneldoc comments
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-10-28 15:47:30 +01:00
Lars-Peter Clausen
c1b4d1c777 ASoC: Use generic control handlers for S8 control
Commit f227b88f0f ("ASoC: core: Add signed register volume control logic")
added support for signed control to the generic volsw control handler.
This makes it possible to use them for the S8 control as well, rather than
having to use a custom control handler implementation.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-10-28 00:20:51 +00:00
Lars-Peter Clausen
92a99ea439 ASoC: dapm: Use more aggressive caching
Currently we cache the number of input and output paths going to/from a
widget only within a power update sequence. But not in between power update
sequences.

But we know how changes to the DAPM graph affect the number of input (form a
source) and output (to a sink) paths of a widget and only need to
recalculate them if a operation has been performed that might have changed
them.
	* Adding/removing or connecting/disconnecting a path means that the for
	  the source of the path the number of output paths can change and for
	  the sink the number of input paths can change.
	* Connecting/disconnecting a widget has the same effect has connecting/
	  disconnecting all paths of the widget. So for the widget itself the
	  number of inputs and outputs can change, for all sinks of the widget
	  the number of inputs can change and for all sources of the widget the
	  number of outputs can change.
	* Activating/Deactivating a stream can either change the number of
	  outputs on the sources of the widget associated with the stream or the
	  number of inputs on the sinks.

Instead of always invalidating all cached numbers of input and output paths
for each power up or down sequence this patch restructures the code to only
invalidate the cached numbers when a operation that might change them has
been performed. This can greatly reduce the number of DAPM power checks for
some very common operations.

Since per DAPM operation typically only either change the number of inputs
or outputs the number of path checks is reduced by at least 50%. The number
of neighbor checks is also reduced about the same percentage, but since the
number of neighbors encountered when walking from sink to source is not the
same as when walking from source to sink the actual numbers will slightly
vary from card to card (e.g. for a mixer we see 1 neighbor when walking from
source to sink, but the number of inputs neighbors when walking from source
to sink).

Bigger improvements can be observed for widgets with multiple connected
inputs and output (e.g. mixers probably being the most widespread form of
this). Previously we had to re-calculate the number of inputs and outputs
on all input and output paths. With this change we only have to re-calculate
the number of outputs on the input path that got changed and the number of
inputs on the output paths.

E.g. imagine the following example:

	A --> B ----.
	            v
	M --> N --> Z <-- S <-- R
	            |
	            v
	            X

Widget Z has multiple input paths, if any change was made that cause Z to be
marked as dirty the power state of Z has to be re-computed. This requires to
know the number of inputs and outputs of Z, which requires to know the
number of inputs and outputs of all widgets on all paths from or to Z.
Previously this meant re-computing all inputs and outputs of all the path
going into or out of Z. With this patch in place only paths that actually
have changed need to be re-computed.

If the system is idle (or the part of the system affected by the changed
path) the number of path checks drops to either 0 or 1, regardless of how
large or complex the DAPM context is. 0 if there is no connected sink and no
connected source. 1 if there is either a connected source or sink, but not
both. The number of neighbor checks again will scale accordingly and will be
a constant number that is the number of inputs or outputs of the widget for
which we did the path check.

When loading a state file or switching between different profiles typically
multiple mixer and mux settings are changed, so we see the benefit of this
patch multiplied for these kinds of operations.

Testing with the ADAU1761 shows the following changes in DAPM stats for
changing a single Mixer switch for a Mixer with 5 inputs while the DAPM
context is idle.

         Power  Path  Neighbour
Before:  2      12    30
After:   2       1     2

For the same switch, but with a active playback stream the stat changed are
as follows.

         Power  Path  Neighbour
Before:  10     20    54
After:   10      7    21

Cumulative numbers for switching the audio profile which changes 7 controls
while the system is idle:

         Power  Path  Neighbour
Before:  16      80   170
After:   16       7    23

Cumulative numbers for switching the audio profile which changes 7 controls
while playback is active:

         Power  Path  Neighbour
Before:  51     123   273
After:   51      29   109

Starting (or stopping) the playback stream:

         Power  Path  Neighbour
Before:  34     34    117
After:   34     17    69

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-10-28 00:19:59 +00:00
Lars-Peter Clausen
8be4da29cf ASoC: dapm: Mark endpoints instead of IO widgets dirty during suspend/resume
The state of endpoint widgets is affected by that card's power state.
Endpoint widgets that do no have the ignore_suspend flag set will be
considered inactive during suspend. So they have to be re-checked and marked
dirty after the card's power state changes. Currently the input and output
widgets are marked dirty instead, this works most of the time since
typically a path from one endpoint to another will go via a input or output
widget. But marking the endpoints dirty is technically more correct and will
also work for odd corner cases.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-10-28 00:19:59 +00:00
Lars-Peter Clausen
c1862c8bae ASoC: dapm: Add a flag to mark paths connected to supply widgets
Supply widgets do not count towards the input and output widgets of their
neighbors and for supply widgets themselves we do not care for the number
of input or output paths. This means that a path that connects to a supply
widget effectively behaves the same as a path that as the weak property set.
This patch adds a new path flag that gets set to true when the path is
connected to at least one supply widget. If a path with the flag set is
encountered in is_connected_{input,output}_ep() is is skipped in the same
way that weak paths are skipped. This slightly brings down the number of
path checks.

Since both the weak and the supply flag are implemented as bitfields which
are stored in the same word there is no runtime overhead due to checking
both rather than just one and also the size of the path struct is not
increased by this patch. Another advantage is that we do not have to handle
supply widgets in is_connected_{input,output}_ep() anymore since it will
never be called for supply widgets. The only exception is from
dapm_widget_power_read_file() where a check is added to special case supply
widgets.

Testing with the ADAU1761, which has a handful of supply widgets, shows the
following changes in the DAPM stats for a playback stream start.

         Power  Path  Neighbour
Before:  34     78    117
After:   34     48    117

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-10-28 00:19:59 +00:00
Lars-Peter Clausen
6dd98b0a3e ASoC: dapm: Introduce toplevel widget categories
DAPM widgets can be classified into four categories:
	* supply: Supply widgets do not affect the power state of their
		non-supply widget neighbors and unlike other widgets a
		supply widget is not powered up when it is on an active
		path, but when at least on of its neighbors is powered up.
	* source: A source is a widget that receives data from outside the
		DAPM graph or generates data. This can for example be a
		microphone, the playback DMA or a signal generator. A source
		widget will be considered powered up if there is an active
		path to a sink widget.
	* sink: A sink is a widget that transmits data to somewhere outside
		of the DAPM graph. This can e.g. be a speaker or the capture
		DMA. A sink widget will be considered powered up if there is
		an active path from a source widget.
	* normal: Normal widgets are widgets not covered by the categories
		above. A normal widget will be considered powered up if it
		is on an active path between a source widget and a sink
		widget.

The way the number of input and output paths for a widget is calculated
depends on its category. There are a bunch of factors which decide which
category a widget is. Currently there is no formal classification of these
categories and we calculate the category of the widget based on these
factors whenever we want to know it. This is at least once for every widget
during each power update sequence. The factors which determine the category
of the widgets are mostly static though and if at all change rather seldom.
This patch introduces three new per widget flags, one for each of non-normal
widgets categories. Instead of re-computing the category each time we want
to know them the flags will be checked. For the majority of widgets the
category is solely determined by the widget id, which means it never changes
and only has to be set once when the widget is created. The only widgets
with dynamic categories are:

	snd_soc_dapm_dai_out: Is considered a sink iff the capture stream is
		active, otherwise normal.
	snd_soc_dapm_dai_in: Is considered a source iff the playback stream
		is active, otherwise normal.
	snd_soc_dapm_input: Is considered a sink iff it has no outgoing
		paths, otherwise normal.
	snd_soc_dapm_output: Is considered a source iff it has no incoming
		paths, otherwise normal.
	snd_soc_dapm_line: Is considered a sink iff it has no outgoing paths
		and is considered a source iff it has no incoming paths,
		otherwise normal.

For snd_soc_dapm_dai_out/snd_soc_dapm_dai_in widgets the category will be
updated when a stream is started or stopped. For the other dynamic widgets
the category will be updated when a path connecting to it is added or
removed.

Introducing those new widget categories allows to make
is_connected_{output,input}_ep, which are among the hottest paths of the
DAPM algorithm, more generic and significantly shorter.

The before and after sizes for is_connected_{output,input}_ep are:

On ARM (defconfig + CONFIG_SND_SOC):
	function                                     old     new   delta
	is_connected_output_ep                       480     340    -140
	is_connected_input_ep                        456     352    -104

On amd64 (defconfig + CONFIG_SND_SOC):
	function                                     old     new   delta
	is_connected_output_ep                       579     427    -152
	is_connected_input_ep                        563     427    -136

Which is about a 25%-30% decrease, other architectures are expected to have
similar numbers. At the same time the size of the snd_soc_dapm_widget struct
does not change since the new flags are stored in the same word as the
existing flags.

Note: that since the per widget 'ext' flag was only used to decide whether a
snd_soc_dapm_input or snd_soc_dapm_output widget was a source or a sink it
is now unused and can be removed.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-10-28 00:19:59 +00:00
Lars-Peter Clausen
130897ac5a ASoC: dapm: Remove path 'walked' flag
The 'walked' flag was used to avoid walking paths that have already been
walked. But since we started caching the number of inputs and outputs of a
path we never actually get into a situation where we try to walk a path that
has the 'walked' flag set.

There are two cases in which we can end up walking a path multiple times
within a single run of is_connected_output_ep() or is_connected_input_ep().

1) If a path splits up and rejoins later:

	     .--> C ---v
	A -> B         E --> F
	     '--> D ---^

When walking from A to F we'll end up at E twice, once via C and once via D.
But since we do a depth first search we'll fully discover the path and
initialize the number of outputs/inputs of the widget the first time we get
there. The second time we get there we'll use the cached value and not
bother to check any of the paths again. So we'll never see a path where
'walked' is set in this case.

2) If there is a circle:

	A --> B <-- C <-.--> F
	      '--> D ---'

When walking from A to F we'll end up twice at B. But since there is a
circle the 'walking' flag will still be set on B once we get there the
second time. This means we won't look at any of it's outgoing paths. So in
this case we won't ever see a path where 'walked' is set either.

So it is safe to remove the flag. This on one hand means we remove some
always true checks from one of the hottest paths of the DAPM algorithm and
on the other hand means we do not have to do the tedious clearing of the
flag after checking the number inputs or outputs of a widget.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-10-22 12:11:38 +01:00
Oder Chiou
5e3363ad1b ASoC: rt5677: add GPIO IRQ support
This allows to enable Mic Jack detection feature

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Modified-by: Anatol Pomozov <anatol.pomozov@gmail.com>
Signed-off-by: Anatol Pomozov <anatol.pomozov@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-10-22 11:43:14 +01:00
Takashi Iwai
930352862e Merge branch 'topic/enum-info-cleanup' into for-next
this is a series of patches to just convert the plain info callback
for enum ctl elements to snd_ctl_elem_info().  Also, it includes the
extension of snd_ctl_elem_info(), for catching the unexpected string
cut-off and handling the zero items.
2014-10-22 12:19:57 +02:00
Anatol Pomozov
40eb90a18e ASoC: rt5677: Add option to configure gpio as floating/pullup/pulldown
gpio_config is array of 6 elements that allows to set GPIO as
floating, pullup, pulldown.

Sponsored: Google ChromeOS
Signed-off-by: Anatol Pomozov <anatol.pomozov@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-10-20 12:22:20 +01:00
Takashi Iwai
b566762a67 Merge branch 'topic/seq-autoload' into for-next 2014-10-20 08:45:52 +02:00
Linus Torvalds
52d589a01d Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma
Pull slave-dmaengine updates from Vinod Koul:
 "For dmaengine contributions we have:
   - designware cleanup by Andy
   - my series moving device_control users to dmanegine_xxx APIs for
     later removal of device_control API
   - minor fixes spread over drivers mainly mv_xor, pl330, mmp, imx-sdma
     etc"

* 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma: (60 commits)
  serial: atmel: add missing dmaengine header
  dmaengine: remove FSLDMA_EXTERNAL_START
  dmaengine: freescale: remove FSLDMA_EXTERNAL_START control method
  carma-fpga: move to fsl_dma_external_start()
  carma-fpga: use dmaengine_xxx() API
  dmaengine: freescale: add and export fsl_dma_external_start()
  dmaengine: add dmaengine_prep_dma_sg() helper
  video: mx3fb: use dmaengine_terminate_all() API
  serial: sh-sci: use dmaengine_terminate_all() API
  net: ks8842: use dmaengine_terminate_all() API
  mtd: sh_flctl: use dmaengine_terminate_all() API
  mtd: fsmc_nand: use dmaengine_terminate_all() API
  V4L2: mx3_camer: use dmaengine_pause() API
  dmaengine: coh901318: use dmaengine_terminate_all() API
  pata_arasan_cf: use dmaengine_terminate_all() API
  dmaengine: edma: check for echan->edesc => NULL in edma_dma_pause()
  dmaengine: dw: export probe()/remove() and Co to users
  dmaengine: dw: enable and disable controller when needed
  dmaengine: dw: always export dw_dma_{en,dis}able
  dmaengine: dw: introduce dw_dma_on() helper
  ...
2014-10-18 18:11:04 -07:00
Takashi Iwai
68ab61084d ALSA: seq: bind seq driver automatically
Currently the sequencer module binding is performed independently from
the card module itself.  The reason behind it is to keep the sequencer
stuff optional and allow the system running without it (e.g. for using
PCM or rawmidi only).  This works in most cases, but a remaining
problem is that the binding isn't done automatically when a new driver
module is probed.  Typically this becomes visible when a hotplug
driver like usb audio is used.

This patch tries to address this and other potential issues.  First,
the seq-binder (seq_device.c) tries to load a missing driver module at
creating a new device object.  This is done asynchronously in a workq
for avoiding the deadlock (modprobe call in module init path).

This action, however, should be enabled only when the sequencer stuff
was already initialized, i.e. snd-seq module was already loaded.  For
that, a new function, snd_seq_autoload_init() is introduced here; this
clears the blocking of autoloading, and also tries to load all pending
driver modules.

Reported-by: Adam Goode <agoode@chromium.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-10-18 20:25:12 +02:00
Takashi Iwai
8df22a4d6f ASoC: Updates for v3.18
- More componentisation work from Lars-Peter, this time mainly
    cleaning up the suspend and bias level transition callbacks.
  - Real system support for the Intel drivers and a bunch of fixes and
    enhancements for the associated CODEC drivers, this is going to need
    a lot quirks over time due to the lack of any firmware description of
    the boards.
  - Jack detect support for simple card from Dylan Reid.
  - A bunch of small fixes and enhancements for the Freescale drivers.
  - New drivers for Analog Devices SSM4567, Cirrus Logic CS35L32, Everest
    Semiconductor ES8328 and Freescale cards using the ASRC in newer i.MX
    processors.
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Merge tag 'asoc-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next

ASoC: Updates for v3.18

 - More componentisation work from Lars-Peter, this time mainly
   cleaning up the suspend and bias level transition callbacks.
 - Real system support for the Intel drivers and a bunch of fixes and
   enhancements for the associated CODEC drivers, this is going to need
   a lot quirks over time due to the lack of any firmware description of
   the boards.
 - Jack detect support for simple card from Dylan Reid.
 - A bunch of small fixes and enhancements for the Freescale drivers.
 - New drivers for Analog Devices SSM4567, Cirrus Logic CS35L32, Everest
   Semiconductor ES8328 and Freescale cards using the ASRC in newer i.MX
   processors.
2014-10-06 14:01:11 +02:00
Mark Brown
7370780cfd Merge remote-tracking branches 'asoc/topic/rt5645', 'asoc/topic/rt5677', 'asoc/topic/samsung', 'asoc/topic/sgtl5000' and 'asoc/topic/sh' into asoc-next 2014-10-06 12:49:03 +01:00
Mark Brown
565fefdf31 Merge remote-tracking branches 'asoc/topic/davinci', 'asoc/topic/dmic', 'asoc/topic/drivers', 'asoc/topic/es8328' and 'asoc/topic/fsl' into asoc-next 2014-10-06 12:48:57 +01:00
Mark Brown
64fdf13c8b Merge remote-tracking branch 'asoc/topic/dapm' into asoc-next 2014-10-06 12:48:52 +01:00
Mark Brown
97c53e26f0 Merge remote-tracking branch 'asoc/topic/core' into asoc-next 2014-10-06 12:48:52 +01:00
Mark Brown
5bcaca4b5b Merge remote-tracking branch 'asoc/topic/component' into asoc-next 2014-10-06 12:48:51 +01:00
Subhransu S. Prusty
5dc0158a27 ASoC: Export dapm_kcontrol_get_value
The DSP driver needs to know widget control value in its event handler for
widgets like mixers. This is required in the subsequent patches

Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-10-02 19:13:12 +01:00
Oder Chiou
f3fa1bbd83 ASoC: rt5645: Add headset detect function
Add headset detect function

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-10-01 19:28:44 +01:00
Anatol Pomozov
6f67c38005 ASoC: rt5677: Add dts properties for input/output differential configuration
Signed-off-by: Anatol Pomozov <anatol.pomozov@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-09-29 19:46:20 +01:00
Lars-Peter Clausen
0bd2ac3dae ASoC: Remove CODEC pointer from snd_soc_dapm_context
The only remaining user of the CODEC pointer in the DAPM struct is to
initialize the CODEC pointer in the widget struct. The later is scheduled
for removal, but has still a few users left. For now use
dapm->component->codec to initialize it.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-09-29 18:25:52 +01:00
Takashi Iwai
7639913f72 Merge branch 'topic/hda-jack-rework' into for-next
This is a merge of rework of HD-audio jack event handling code.
It extends the jack table to allow multiple callbacks.
2014-09-22 10:12:16 +02:00
Takashi Iwai
db0a5214b8 ALSA: vx: Use nonatomic PCM ops
Rewrite VXpocket and VX222 drivers to use the new PCM nonatomic ops.
The former irq tasklet is replaced with a threaded irq handler, and
the tasklet for the PCM delayed start is simply merged into the normal
PCM trigger, as well as the replacement of spinlock with mutex.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-09-15 15:52:03 +02:00
Takashi Iwai
998052b745 Merge branch 'for-linus' into for-next
Merging for-linus branch for syncing the latest STAC/IDT codec
changes to be affected by the upcoming hda-jack rewrites.
2014-09-11 13:43:49 +02:00
Andy Shevchenko
3d598f47e8 dmaengine: dw: move dw_dmac.h to where it belongs to
There is a common storage for platform data related structures and definitions
inside kernel source tree. The patch moves file from include/linux to
include/linux/platform_data and renames it acoordingly. The users are also
updated.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
[For the arch/avr32/.* and .*sound/atmel.*]
Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2014-09-11 11:48:12 +05:30
Jurgen Kramer
d4288d3fac ALSA: pcm: add new DSD sampleformat for native DSD playback on XMOS based devices
XMOS based USB DACs with native DSD support expose this feature via a USB
alternate setting. The audio format is either 32-bit raw or a 32-bit PCM format.
To utilize this feature on linux this patch introduces a new 32-bit DSD
sampleformat DSD_U32_LE.
A follow up patch will add a quirk for XMOS based devices to utilize the new format.
Further patches will add support to alsa-lib.

Signed-off-by: Jurgen Kramer <gtmkramer@xs4all.nl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-09-08 17:11:00 +02:00
Lars-Peter Clausen
0634814fe0 ASoC: Remove table based DAPM/control setup support from snd_soc_platform_driver
There are no users left and new users should rather use the component_driver
struct embedded in the snd_soc_platform_driver struct to do this. E.g.:

static const struct snd_soc_platform_driver foobar_driver = {
	.component_driver = {
		.dapm_widgets = ...,
		.num_dapm_widgets = ...,
		...,
	},
	...
};

instead of

static const struct snd_soc_platform_driver foobar_driver = {
	.dapm_widgets = ...,
	.num_dapm_widgets = ...,
	...
};

This also allows us to remove the steal_sibling_dai_widgets hack.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-09-06 14:46:30 +01:00
Lars-Peter Clausen
c815dbb477 ASoC: Add snd_soc_component_{get,set}_drvdata()
Add Add snd_soc_component_{get,set}_drvdata() similar to
snd_soc_codec_{get,set}_drvdata() and snd_soc_platform_{get,set}_drvdata().
Also update them to use the new functions internally.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Reviewed-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-09-06 14:42:47 +01:00
Lars-Peter Clausen
86dbf2ac6f ASoC: Add support for automatically going to BIAS_OFF on suspend
There is a substantial amount of drivers that in go to SND_SOC_BIAS_OFF on
suspend and go back to SND_SOC_BIAS_SUSPEND on resume (Often this is even
the only thing done in the suspend and resume handlers). This patch
introduces a new suspend_bias_off flag, which when set by a driver will let
the ASoC core automatically put the device's DAPM context at the
SND_SOC_BIAS_OFF level during suspend. Once the device is resumed the DAPM
context will go back to SND_SOC_BIAS_STANDBY (if the context is idle,
otherwise to SND_SOC_BIAS_ON).

This will allow us to remove a fair bit of duplicated code from the drivers.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-09-04 20:10:25 +01:00
Takashi Iwai
7af142f752 ALSA: pcm: Uninline snd_pcm_stream_lock() and _unlock()
The previous commit for the non-atomic PCM ops added more codes to
snd_pcm_stream_lock() and its variants.  Since they are inlined
functions, it resulted in a significant code size bloat.  For reducing
the size bloat, this patch changes the inline functions to the normal
function calls.  The export of rwlock and rwsem are removed as well,
since they are referred only in pcm_native.c now.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-09-03 14:04:18 +02:00
Takashi Iwai
257f8cce5d ALSA: pcm: Allow nonatomic trigger operations
Currently, many PCM operations are performed in a critical section
protected by spinlock, typically the trigger and pointer callbacks are
assumed to be atomic.  This is basically because some trigger action
(e.g. PCM stop after drain or xrun) is done in the interrupt handler.
If a driver runs in a threaded irq, however, this doesn't have to be
atomic.  And many devices want to handle trigger in a non-atomic
context due to lengthy communications.

This patch tries all PCM calls operational in non-atomic context.
What it does is very simple: replaces the substream spinlock with the
corresponding substream mutex when pcm->nonatomic flag is set.  The
driver that wants to use the non-atomic PCM ops just needs to set the
flag and keep the rest as is.  (Of course, it must not handle any PCM
ops in irq context.)

Note that the code doesn't check whether it's atomic-safe or not, but
trust in 100% that the driver sets pcm->nonatomic correctly.

One possible problem is the case where linked PCM substreams have
inconsistent nonatomic states.  For avoiding this, snd_pcm_link()
returns an error if one tries to link an inconsistent PCM substream.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-09-03 14:04:08 +02:00
Jarkko Nikula
b792346fa8 ASoC: Remove unused cache_only from struct snd_soc_codec
There are no real users for cache_only in "struct snd_soc_codec" so remove
it and needless debugfs node.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-08-28 19:05:57 +01:00
Bard Liao
2d15d97461 ASoC: rt5677: Add DMIC2 clock selection
There are two pins can be used for rt5677's DMIC2 clock. This patch
add the select options for it.

Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-08-27 16:54:39 +01:00
Lars-Peter Clausen
75af7c0819 ASoC: Remove support for legacy snd_soc_platform IO
There were never any actual users of this in upstream and by we have with
regmap a replacement in place, which should be used by new drivers.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-08-19 10:59:47 -05:00
Lars-Peter Clausen
886f569225 ASoC: Automatically initialize regmap for all components
So far regmap is only automatically initialized for CODECs. Now that we have the
infrastructure in place to let components have DAPM widgets and controls that
want to use the generic regmap based IO also make sure to automatically
initialize regmap for all components.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-08-19 10:59:47 -05:00
Lars-Peter Clausen
57bf772687 ASoC: Pass component instead of DAPM context to AUX dev init callback
Given that the component is the containing structure it makes more sense to pass
the component rather than the DAPM context to the AUX dev init callback.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-08-19 10:59:46 -05:00
Lars-Peter Clausen
65d9361f0c ASoC: Move AUX dev support to the component level
This patch makes it possible to register arbitrary components as a AUX dev
for a card. This was previously only possible for CODEC components. With
componentization having made it possible for components to have DAPM contexts
and controls there is no reason why AUX devs should be artificially limited to
snd_soc_codec devices.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-08-19 10:59:45 -05:00
Lars-Peter Clausen
61aca5646b ASoC: Add component level probe/remove support
Now that we have a unified probe and remove path make sure to call them for all
components. soc_{probe,remove}_component are responsible for setting up the DAPM
context for the component, initialize the component prefix, manage the debugfs
entries as well as do the registration of table based controls and DAPM
elements. They also call the component drivers probe and remove callbacks. This
patch makes these things available for generic snd_soc_component drivers rather
than only having them for snd_soc_codec and snd_soc_platform drivers.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-08-19 10:59:45 -05:00
Lars-Peter Clausen
f1d45cc3ae ASoC: Consolidate platform and CODEC probe/remove
The platform and CODEC probe and remove code is now largely identical. This
patch consolidates it at the component level.

The resulting code is slightly larger due to all the boiler plate code setting
up the indirection for the table based control and DAPM registration.  Once all
drivers have been update to no longer use the snd_soc_codec_driver and
snd_soc_platform_driver specific fields for this the indirection can be removed
again.

This patch contains two noteworthy hacks that are only meant to be temporary to
be able to update drivers and the core in separate incremental patches.

The first hack is related to that some DPCM platforms expect that the DAPM
widgets for the DAIs of a snd_soc_component are created in the DAPM context of
the snd_soc_platform that has the same parent device. For handling this the
steal_sibling_dai_widgets attribute is introduced. It gets set for
snd_soc_platforms that register DAPM elements. When creating the DAI widgets for
a component this flag is checked and if it is found on one of the siblings the
component will not create any DAI widgets in its own DAPM context. If the
attribute is set on a platform it will look for siblings components and create
DAI widgets for them in its own context. The fix for this will be to update
the offending drivers to only register a single component rather than two.

The second hack deals with the fact that the ASoC card suspend and resume code
still needs a list of CODECs that have been registered for the card. To handle
this the generic probe and remove path have a check to see if the component is
CODEC and if yes add/remove it to the card's CODEC list. While it is possible to
clean up the suspend/resume code to not need the CODEC list anymore this is a
bit of a chicken and egg problem since it will become easier to clean up the
suspend/resume code once there is a unified component layer.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-08-19 10:59:45 -05:00
Lars-Peter Clausen
81c7cfd1b2 ASoC: Move debugfs registration to the component level
The debugfs registration is mostly identical between platforms and CODECs. This
patches consolidates the two implementations at the component level.

Unfortunately there are still a couple of CODEC specific debugfs files that are
related to legacy ASoC IO that need to be registered. For this a new callback is
added to the component struct that will be initialized when a CODEC is
registered and will be used to register the CODEC specific files. Once there are
no drivers left using legacy IO this can be removed again.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-08-19 10:59:45 -05:00
Subhransu S. Prusty
4d61b39bc1 ASoC: core: fix .info for SND_SOC_BYTES_TLV
Commit 7523a271 - "ASoC: core: add a helper for extended byte controls using
TLV" introduced support for TLV byte controls but had a typo for the info
function, so fix the same

Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-08-18 08:59:12 -05:00
Sylwester Nawrocki
8ad9f9efcc ASoC: Drop const from struct snd_soc_dai_link *of_node members
Dropping the const qualifiers prevents "passing argument 1 of ‘of_node_put’
discards ‘const’ qualifier from pointer target type" type warnings when
compiling the code dropping reference to cpu_of_node, codec_of_node or
platform_of_node with with an of_node_put() function call.

This lets us to avoid casting to struct device_node * or caching variables
internally in drivers just to be able to properly drop a reference to the
OF node on clean up paths.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-08-16 17:02:54 -05:00
Takashi Iwai
e9e3bdffe3 ASoC: Updates for v3.17
This has been a pretty exciting release in terms of the framework, we've
 finally got support for multiple CODECs attached to a single DAI link
 which has been something there's been interest in as long as I've been
 working on ASoC.  A big thanks to Benoit and Misael for their work on
 this.
 
 Otherwise it's been a fairly standard release for development, including
 more componentisation work from Lars-Peter and a good selection of both
 CODEC and CPU drivers.
 
  - Support for multiple CODECs attached to a single DAI, enabling
    systems with for example multiple DAC/speaker drivers on a single
    link, contributed by Benoit Cousson based on work from Misael Lopez
    Cruz.
  - Support for byte controls larger than 256 bytes based on the use of
    TLVs contributed by Omair Mohammed Abdullah.
  - More componentisation work from Lars-Peter Clausen.
  - The remainder of the conversions of CODEC drivers to params_width()
  - Drivers for Cirrus Logic CS4265, Freescale i.MX ASRC blocks, Realtek
    RT286 and RT5670, Rockchip RK3xxx I2S controllers and Texas Instruments
    TAS2552.
  - Lots of updates and fixes, especially to the DaVinci, Intel,
    Freescale, Realtek, and rcar drivers.
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Merge tag 'asoc-v3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Updates for v3.17

This has been a pretty exciting release in terms of the framework, we've
finally got support for multiple CODECs attached to a single DAI link
which has been something there's been interest in as long as I've been
working on ASoC.  A big thanks to Benoit and Misael for their work on
this.

Otherwise it's been a fairly standard release for development, including
more componentisation work from Lars-Peter and a good selection of both
CODEC and CPU drivers.

 - Support for multiple CODECs attached to a single DAI, enabling
   systems with for example multiple DAC/speaker drivers on a single
   link, contributed by Benoit Cousson based on work from Misael Lopez
   Cruz.
 - Support for byte controls larger than 256 bytes based on the use of
   TLVs contributed by Omair Mohammed Abdullah.
 - More componentisation work from Lars-Peter Clausen.
 - The remainder of the conversions of CODEC drivers to params_width()
 - Drivers for Cirrus Logic CS4265, Freescale i.MX ASRC blocks, Realtek
   RT286 and RT5670, Rockchip RK3xxx I2S controllers and Texas Instruments
   TAS2552.
 - Lots of updates and fixes, especially to the DaVinci, Intel,
   Freescale, Realtek, and rcar drivers.
2014-08-04 18:28:21 +02:00
Mark Brown
e99a866c4c Merge remote-tracking branches 'asoc/topic/tlv320aic3x', 'asoc/topic/width', 'asoc/topic/wm0010', 'asoc/topic/wm8904' and 'asoc/topic/wm8962' into asoc-next 2014-08-04 16:32:18 +01:00
Mark Brown
c5e64c7636 Merge remote-tracking branches 'asoc/topic/tlv', 'asoc/topic/tlv320aic23', 'asoc/topic/tlv320aic31xx' and 'asoc/topic/tlv320aic32x4' into asoc-next 2014-08-04 16:32:12 +01:00
Mark Brown
3510a69495 Merge remote-tracking branches 'asoc/topic/sigmadsp', 'asoc/topic/sirf', 'asoc/topic/spdif', 'asoc/topic/tas2552' and 'asoc/topic/tas5086' into asoc-next 2014-08-04 16:32:07 +01:00
Mark Brown
c1bd940afd Merge remote-tracking branches 'asoc/topic/rt5670', 'asoc/topic/rt5677', 'asoc/topic/s6000', 'asoc/topic/samsung' and 'asoc/topic/sh-fsi' into asoc-next 2014-08-04 16:32:01 +01:00
Mark Brown
a6ce305207 Merge remote-tracking branches 'asoc/topic/intel', 'asoc/topic/kirkwood', 'asoc/topic/max98090' and 'asoc/topic/mc13783' into asoc-next 2014-08-04 16:31:45 +01:00
Mark Brown
2fd5373467 Merge remote-tracking branch 'asoc/topic/rcar' into asoc-next 2014-08-04 16:31:20 +01:00
Mark Brown
7196be58ca Merge remote-tracking branch 'asoc/topic/core' into asoc-next 2014-08-04 16:31:17 +01:00
Mark Brown
a1cb98ac8b Merge remote-tracking branch 'asoc/topic/component' into asoc-next 2014-08-04 16:31:15 +01:00
Nicolin Chen
d7821953cf ASoC: wm8962: Let CODEC driver enable and disable its own MCLK
snd_soc_open() will trigger pm_runtime resume() which will then enable
the regulator and initialization. So we should make sure the MCLK is
enabled before this resume().

Previously we let the machine driver get the clock and enable it in
its probe(). However, considering about power saving, it'll be better
to enable it when it's going to be used and disable it after using.

So this patch just simply adds clk_get() and clk_enable() to WM8962
driver. Meanwhile, it marks clock pointer to NULL if no clock assigned
to it so it will not break any current function.

Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-07-31 20:51:26 +01:00
Lars-Peter Clausen
0f2780ad4c ASoC: Add function to register component controls
We have now everything in place to actual let a component register controls. Add
a function which allows to do so.

Also update snd_soc_add_codec_controls() and snd_soc_platform_controls() to use
this new function internally. And while we are at it also change the
num_controls parameter of those two functions from int to unsigned int.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-07-22 23:15:57 +01:00
Lars-Peter Clausen
00200107a2 ASoC: Move card field form platform/codec to component
Both the snd_soc_codec and snd_soc_platform struct do have a pointer to the
parent card and both handle this pointer in mostly the same way. This patch
moves the card field to the component level which will allow further code
consolidation between platforms and CODECS.

Since there are only a handful of users of the snd_soc_codec struct's card field
(and none of the snd_soc_platform's) these are update in this patch as well,
which allows it to be removed from the snd_soc_codec struct.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-07-22 23:15:57 +01:00
Lars-Peter Clausen
9898e1ccf5 ASoC: Remove per card platform list
The platform_dev_list was added in commit f0fba2ad1b ("ASoC: multi-component -
ASoC Multi-Component Support") and while platforms are added and remove from
that list it is otherwise unused. This patch removes it again.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-07-22 23:15:57 +01:00
Dan Murphy
5df7f71d5c ASoC: tas2552: Support TI TAS2552 Amplifier
Support the TI TAS2552 Class D amplifier.

The TAS2552 is a high efficiency Class-D audio
power amplifier with advanced battery current
management and an integrated Class-G boost
The device constantly measures the
current and voltage across the load and provides a
digital stream of this information.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-07-17 17:57:05 +01:00
Benoit Cousson
93e6958a36 ASoC: pcm: Add soc_dai_hw_params helper
Add a function helper to factorize the hw_params code.

Suggested by Lars-Peter Clausen <lars@metafoo.de>

Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
Tested-by: Lars-Peter Clausen <lars@metafoo.de>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-07-16 23:06:27 +01:00
Benoit Cousson
88bd870f02 ASoC: core: Add initial support for DAI multicodec
DAI link assumes a one to one mapping between CPU DAI and CODEC. In
some cases, the same CPU DAI can be connected to several codecs.
This is the case for example, if you connect two mono codecs to the
same I2S link in order to have a stereo card.
The current ASoC implementation does not allow such setup.

Add support for DAI links composed of a single CPU DAI and multiple
CODECs. Sound cards have to pass the CODECs array in the corresponding
DAI link through a new 'snd_soc_dai_link_component' struct. Each CODEC in
this array is described in the same manner single CODEC DAIs are
(either DT/OF node or codec_name).

Multi-codec links are not supported in the case of CODEC to CODEC links.
Just print a warning if it happens.

Based on an original code done by Misael.

Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
Signed-off-by: Misael Lopez Cruz <misael.lopez@ti.com>
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Tested-by: Lars-Peter Clausen <lars@metafoo.de>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-07-16 22:58:49 +01:00
Omair Mohammed Abdullah
7523a27168 ASoC: core: add a helper for extended byte controls using TLV
ALSA supports arbitrary length TLVs for each kcontrol that can be used
to pass metadata about the control (e.g. volumes, enum information). The
same transport mechanism is now used for arbitrary length data by
defining a new helper.

Signed-off-by: Omair Mohammed Abdullah <omair.m.abdullah@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-07-16 22:43:59 +01:00
Takashi Iwai
0cea76f339 ALSA: control: Define SNDRV_CTL_TLV_OP_* constants
Instead of hard-coded magic numbers, define constants for op_flag to
tlv callbacks.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-07-15 16:31:01 +02:00
Mark Brown
0ac8a52d45 ALSA: Provide a CLOCK_MONOTONIC_RAW timestamp type
For applications which need to synchronise with external timebases such
as broadcast TV applications the kernel monotonic time is not optimal as
it includes adjustments from NTP and so may still include discontinuities
due to that. A raw monotonic time which does not include any adjustments
is available in the kernel from getrawmonotonic() so provide userspace with
a new timestamp type SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW which provides
timestamps based on this as an option.

[dropped tstamp_type assignment code, as it's no longer needed -- tiwai]

Reported-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
Acked-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-07-10 16:58:13 +02:00
Richard Fitzgerald
1e4c0d7c9a ASoC: add SOC_VALUE_ENUM_EXT
Adds an equivalent of SOC_ENUM_EXT for value enums

Strictly speaking SOC_ENUM_EXT can also be used to define
a value enum since the only difference is the get and set
functions. But this doesn't look good in code because it is
inconsistent with the normal control definitions. Adding a
specific SOC_VALUE_ENUM_EXT is better for code clarity.

Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-07-07 16:36:38 +02:00
Bard Liao
07cf7cbadb ASoC: add RT286 CODEC driver
This patch adds Realtek ALC286 codec driver.

ALC286 is a dual mode codec, which can run as HD-A or I2S mode.
It is controlled by HD-A verb commands via I2C protocol.
The following is the I/O difference between ALC286 and general I2S codecs.
1. A HD-A verb command contains three parts, NID, VID, and PID.
   And an I2S command contains only two parts: address and data.
2. Not only the register address is written, but the read command also
   includes the entire write command.
3. rt286 uses different registers for read and write the same bits.

We map verb command to regmap structure. However, we read most registers from
cache to prevent the asymmetry read/write issue in rt286.

Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Gustaw Lewandowski <gustaw.lewandowski@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-07-04 18:50:51 +01:00
Bard Liao
5e8351de74 ASoC: add RT5670 CODEC driver
This patch adds a minimum support of Realtek ALC5670 codec.

Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-07-02 20:49:25 +01:00
Kuninori Morimoto
d9288d0ba1 ASoC: rsnd: SSI + DMA can select BUSIF
Sound data needs to be sent to R-Car sound SSI when playback.
But, there are 2 interfaces for it.
1st is SSITDR/SSIRDR which are mapped on SSI.
2nd is SSIn_BUSIF which are mapped on SSIU.

2nd SSIn_BUSIF is used when DMA transfer,
and it is always used if sound data came from via SRC.
But, we can use it when SSI+DMA case too.
(Current driver is assuming 1st SSITDR/SSIRDR for it)

2nd SSIn_BUSIF can be used as FIFO.
This is very helpful/useful for SSI+DMA.

But DMA address / DMA ID are not same between 1st/2nd cases.
This patch care about these settings.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-28 14:41:19 +01:00
Lars-Peter Clausen
88a8fe3df6 ASoC: dapm: Remove platform field from widget and dapm context struct
The platform field in the snd_soc_dapm_widget and snd_soc_dapm_context structs
is now unused can be removed. New code that wants to get the platform for a
widget or dapm context should use snd_soc_dapm_to_platform(w->dapm) or
snd_soc_dapm_to_platform(dapm).

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-21 21:36:09 +01:00
Lars-Peter Clausen
9420d97b3f ASoC: dapm: Remove DAI DAPM context
The DAI DAPM context was added in commit be09ad90 ("ASoC: core: Add platform DAI
widget mapping") and the only user was removed again in commit ae10e7e8f ("ASoC:
core: Only add platform DAI widgets once."). Now that we have a per component
DAPM context it is unlikely that we'll need the DAI DAPM context again.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-21 21:36:08 +01:00
Lars-Peter Clausen
14e8bdebfb ASoC: Add component level stream_event() and seq_notifier() support
This patch adds stream_event() and seq_notifier() callbacks similar to those
found in the snd_soc_codec_driver and snd_soc_platform driver struct to the
snd_soc_component_driver struct. This is meant to unify the handling of these
callbacks across different types of components and will eventually allow their
removal from the CODEC and platfrom driver structs.

The new callbacks are slightly different from the old ones in that they take a
snd_soc_component as a parameter rather than a snd_soc_dapm_context. This was
done since otherwise casting from the DAPM context to the component would
typically be the first thing to do in the callback. And the interface becomes
slightly cleaner by passing a snd_soc_component to all callbacks in the
snd_soc_component_driver struct.

The patch also already removes the stream_event() callback from the
snd_soc_codec_driver and snd_soc_platform_driver structs as it is currently
unused.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-21 21:34:15 +01:00
Lars-Peter Clausen
bc9af9fa9b ASoC: Use component DAPM context for platforms
The snd_soc_platform dapm field is not accessed outside of the ASoC core. Switch
it over to using the snd_soc_component DAPM context.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-21 21:34:15 +01:00
Lars-Peter Clausen
ce0fc93ae5 ASoC: Add DAPM support at the component level
This patch adds full DAPM support at the component level. Previously there was
only full DAPM support for CODECs and partial DAPM support (e.g. no Mixers nor
MUXs) for platforms. Having DAPM support at the component level will allow all
types of components to use DAPM and also help in consolidating the DAPM support
between CODECs and platforms.

Since the DAPM context is directly embedded into the snd_soc_codec and
snd_soc_platform struct and the 'dapm' field is directly referenced in a lot of
drivers moving the field just right now is not possible without causing code
churn. The approach this patch takes is to add two new fields to the component
struct. One field which is the pointer to the actual DAPM context used by the
component and one DAPM context that will be used as the default if no other
context was specified. For CODECs and platforms the pointer is initialized to
point to the CODEC or platform DAPM context. All generic code when referencing
a component's DAPM struct will go via the pointer. This will make it possible to
eventually seamlessly move the DAPM context from snd_soc_codec and
snd_soc_platform struct over once all direct references have been eliminated.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-21 21:34:15 +01:00
Lars-Peter Clausen
68f831c272 ASoC: Add a set_bias_level() callback to the DAPM context struct
Currently the DAPM code directly looks at the CODEC driver struct to get a
handle to the set_bias_level() callback. This patch adds a new set_bias_level()
callback to the DAPM context struct. The DAPM code will use this new callback
instead of the CODEC callback. For CODECs the new callback is set up to call the
CODEC specific set_bias_level callback(). Not looking directly at the CODEC
driver struct will allow non CODEC DAPM contexts to implement a set_bias_level()
callback.

This is also similar to how the seq_notifier() and stream_event() callbacks are
currently handled.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-21 21:34:15 +01:00
Lars-Peter Clausen
7df3788410 ASoC: Auto disconnect pins from all DAPM contexts
Currently only pins in CODEC DAPM contexts are automatically marked as
non-connected if the card has the fully_routed flag set. This makes sense since
widgets which qualify for auto-disconnection are only found in CODEC DAPM
contexts. But with componentisation this is going to change, so consider all
widgets for auto-disconnection.

Also it is probably faster to walk the widgets list only once rather than once
for each CODEC.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-21 21:06:56 +01:00
Lars-Peter Clausen
f4333203ec ASoC: Move name and id from CODEC/platform to component
The component struct already has a name and id field which are initialized to
the same values as the same fields in the CODEC and platform structs. So remove
them from the CODEC and platform structs and used the ones from the component
struct instead.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-21 21:04:24 +01:00
Lars-Peter Clausen
94f99c875c ASoC: Move name_prefix from CODEC to component
Move the name_prefix from the CODEC struct to the component struct. This will
eventually allow to specify prefixes for all types of components. It is also
necessary to make the DAPM code component type independent (i.e. a DAPM context
does not need to know whether it belongs to a CODEC or a platform or something
else).

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-21 21:03:22 +01:00
Lars-Peter Clausen
07f4d9d74a ALSA: control: Protect user controls against concurrent access
The user-control put and get handlers as well as the tlv do not protect against
concurrent access from multiple threads. Since the state of the control is not
updated atomically it is possible that either two write operations or a write
and a read operation race against each other. Both can lead to arbitrary memory
disclosure. This patch introduces a new lock that protects user-controls from
concurrent access. Since applications typically access controls sequentially
than in parallel a single lock per card should be fine.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Jaroslav Kysela <perex@perex.cz>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-06-18 15:12:33 +02:00
Thomas Gleixner
26204e048d ALSA: core: Use ktime_get_ts()
do_posix_clock_monotonic_gettime() is a leftover from the initial
posix timer implementation which maps to ktime_get_ts().

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-06-12 12:58:16 +02:00
Takashi Iwai
8743dcd663 ASoC: Final updates for v3.16
A few more updates from the last week of development, nothing too
 exciting.  Highlights include:
 
 - GPIO descriptor support for jacks
 - More updates and fixes to the Freescale SSI, Intel and rsnd drivers.
 - New drivers for Analog Devices ADAU1361, ADAU1381, ADAU1761 and
   ADAU1781, and Realtek RT5677.
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Merge tag 'asoc-v3.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next

ASoC: Final updates for v3.16

A few more updates from the last week of development, nothing too
exciting.  Highlights include:

- GPIO descriptor support for jacks
- More updates and fixes to the Freescale SSI, Intel and rsnd drivers.
- New drivers for Analog Devices ADAU1361, ADAU1381, ADAU1761 and
  ADAU1781, and Realtek RT5677.
2014-06-03 11:51:14 +02:00
Mark Brown
770b65c3da Merge remote-tracking branches 'asoc/topic/rl6231' and 'asoc/topic/rt5677' into asoc-next 2014-06-03 10:39:55 +01:00
Mark Brown
440a528558 Merge remote-tracking branches 'asoc/topic/omap' and 'asoc/topic/rcar' into asoc-next 2014-06-03 10:39:53 +01:00
Mark Brown
9713d5d0c4 Merge remote-tracking branches 'asoc/topic/gpio' and 'asoc/topic/intel' into asoc-next 2014-06-03 10:39:50 +01:00
Mark Brown
b8139d0afd Merge remote-tracking branch 'asoc/topic/core' into asoc-next 2014-06-03 10:39:43 +01:00
Oder Chiou
0e826e8672 ASoC: add RT5677 CODEC driver
This patch adds the Realtek ALC5677 codec driver.

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-01 20:18:21 +01:00
Mark Brown
15f78ea67f Merge branches 'topic/rt5640', 'topic/rt5645' and 'topic/rt5651' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-rl6231 2014-06-01 20:04:24 +01:00
Lars-Peter Clausen
24089e04cb ASoC: Add helper functions to cast from DAPM context to CODEC/platform
This is useful if we have a pointer to a DAPM context and know that it is a
CODEC or platform DAPM context and want to get a pointer to the CODEC or
platform.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-01 19:16:47 +01:00
Jarkko Nikula
e667487b67 ASoC: jack: Fix multiple definition of `snd_soc_jack_add_gpiods'
Commit f025d3b9c6 ("ASoC: jack: Add support for GPIO descriptor defined
jack pins") caused build error when CONFIG_GPIOLIB is not set:

sound/include/sound/soc.h:470: multiple definition of `snd_soc_jack_add_gpiods'
sound/soc/soc-core.o:sound/include/sound/soc.h:470: first defined here
make[2]: *** [sound/soc/snd-soc-core.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [sound/soc] Error 2
make: *** [sound] Error 2

Fix this by marking snd_soc_jack_add_gpiods() as static inline in soc.h.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-27 12:05:30 +01:00
Jarkko Nikula
83ad152d03 ASoC: jack: Clarify GPIO descriptor lookup in struct snd_soc_jack_gpio doc
Clarify struct snd_soc_jack_gpio documentation for the idx and name fields.
Because name is passed as connection ID to gpiod_get_index() when using GPIO
descriptor defined jack pins it is not only used as a label in debugfs but
also as function name lookup in systems that support functions names for
GPIOs.

Clarify also idx since the index is within the function of the GPIO consumer
device and not within the device itself only.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-27 12:03:44 +01:00
Jyri Sarha
87c1936426 ASoC: omap-pcm: Move omap-pcm under include/sound
Make including the omap-pcm.h outside sound/soc/omap more convenient.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-26 15:32:32 +01:00
Jarkko Nikula
f025d3b9c6 ASoC: jack: Add support for GPIO descriptor defined jack pins
Allow jack GPIO pins be defined also using GPIO descriptor-based interface
in addition to legacy GPIO numbers. This is done by adding two new fields to
struct snd_soc_jack_gpio: idx and gpiod_dev.

Legacy GPIO numbers are used only when GPIO consumer device gpiod_dev is
NULL and otherwise idx is the descriptor index within the GPIO consumer
device.

New function snd_soc_jack_add_gpiods() is added for typical cases where all
GPIO descriptor jack pins belong to same GPIO consumer device. For other
cases the caller must set the gpiod_dev in struct snd_soc_jack_gpio before
calling snd_soc_jack_add_gpios().

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-26 15:26:00 +01:00
Jarkko Nikula
50dfb69d1b ASoC: jack: Basic GPIO descriptor conversion
This patch does basic GPIO descriptor conversion to soc-jack. Even the GPIOs
are still passed and requested using legacy GPIO numbers the driver
internals are converted to use GPIO descriptor API.

Motivation for this is to prepare soc-jack so that it will allow registering
jack GPIO pins using both GPIO descriptors and legacy GPIO numbers.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-26 15:23:14 +01:00
Takashi Iwai
038b8455db ALSA: Remove deprecated snd_card_create()
Now all calls have been fixed, let's get rid of the old definition.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-05-23 09:57:55 +02:00
Takashi Iwai
0c1d121016 ASoC: Updates for v3.16
Lots of cleanup work going on in the core this release but very little
 visible to external users except for the new drivers that have been
 added.
 
  - Support for specifying aux CODECs in DT.
  - Removal of the deprecated mux and enum macros.
  - More moves towards full componentisation.
  - Removal of some unused I/O code.
  - Lots of cleanups, fixes and enhancements to the davinci, Freescale,
    Haswell and Realtek drivers.
  - Several drivers exposed directly in Kconfig for use with simple-card.
  - New drivers for Cirrus CS42L56, Realtek RT5639, RT5642 and RT5651 and
    ST STA350.
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Merge tag 'asoc-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next

ASoC: Updates for v3.16

Lots of cleanup work going on in the core this release but very little
visible to external users except for the new drivers that have been
added.

 - Support for specifying aux CODECs in DT.
 - Removal of the deprecated mux and enum macros.
 - More moves towards full componentisation.
 - Removal of some unused I/O code.
 - Lots of cleanups, fixes and enhancements to the davinci, Freescale,
   Haswell and Realtek drivers.
 - Several drivers exposed directly in Kconfig for use with simple-card.
 - New drivers for Cirrus CS42L56, Realtek RT5639, RT5642 and RT5651 and
   ST STA350.
2014-05-22 17:50:00 +02:00
Mark Brown
04f87446c2 Merge remote-tracking branches 'asoc/topic/rt5651', 'asoc/topic/samsung', 'asoc/topic/sgtl5000', 'asoc/topic/sh', 'asoc/topic/simple', 'asoc/topic/sirf', 'asoc/topic/sta350' and 'asoc/topic/tlv320dac33' into asoc-next 2014-05-22 00:24:00 +01:00
Mark Brown
6f821c6449 Merge remote-tracking branches 'asoc/topic/nuc900', 'asoc/topic/omap', 'asoc/topic/pxa', 'asoc/topic/rcar', 'asoc/topic/rt5640' and 'asoc/topic/rt5645' into asoc-next 2014-05-22 00:23:57 +01:00
Mark Brown
0c5dacf2ca Merge remote-tracking branches 'asoc/topic/cs42l56', 'asoc/topic/cs42xx8' and 'asoc/topic/davinci' into asoc-next 2014-05-22 00:23:49 +01:00
Mark Brown
e3ac3f2510 Merge remote-tracking branch 'asoc/topic/enum' into asoc-next 2014-05-22 00:23:44 +01:00
Mark Brown
566d4eeff8 Merge remote-tracking branch 'asoc/topic/dt' into asoc-next 2014-05-22 00:23:43 +01:00
Mark Brown
6bf88ab2ec Merge remote-tracking branch 'asoc/topic/dapm' into asoc-next 2014-05-22 00:23:42 +01:00
Kuninori Morimoto
bff58ea4f4 ASoC: rsnd: add DVC support
This patch adds DVC (Digital Volume Controller)
support which is member of CMD unit.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-13 19:06:16 +01:00
Lars-Peter Clausen
797f283b61 ASoC: Remove runtime field from DAI
This was initially removed in commit 6423c1875 ("ASoC: Remove runtime field from
DAI"), but was, presumably by accident, brought back in commit f0fba2ad1 ("ASoC:
multi-component - ASoC Multi-Component Support"). But has never been
initialized to anything but NULL ever since. This commit removes it again.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-12 22:08:36 +01:00
Lars-Peter Clausen
94986198f5 ASoC: dapm: Handle SND_SOC_DAPM_REG() generically
Commit commit de9ba98b6d ("ASoC: dapm: Make widget power register settings more
flexible") added generic support for on_val/off_val in the DAPM core. With this
in place there is no need anymore for having a special event callback for
SND_SOC_DAPM_REG() widgets.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-12 21:48:08 +01:00
Kuninori Morimoto
29e69fd2cd ASoC: rsnd: remove compatibility code
Now, all platform is using new style rsnd_dai_platform_info.
Keeping compatibility is no longer needed.
We can cleanup code.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-08 12:17:59 +01:00
Lars-Peter Clausen
db88a8e3ca ASoC: Remove unused num_dai field from CODEC
Commit d191bd8de8 ("ASoC: snd_soc_codec includes snd_soc_component") removed the
last user of the num_dai field. Also remove the field itself.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-07 10:21:26 +01:00
Lars-Peter Clausen
af0881ffbd ASoC: Remove unused 'list' field form card
The global card list was removed in commit b19e6e7b7 ("ASoC: core: Use driver
core probe deferral"). The 'list' field of the snd_soc_card struct has been
unused since then. This patch removes the field.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-07 10:21:25 +01:00
Lars-Peter Clausen
24faf76568 ASoC: Remove card's DAI list
Commit f0fba2ad1 ("ASoC: multi-component - ASoC Multi-Component Support") added
a per card list that keeps track of all the DAIs that have been registered with
the card, but the list has never been used. This patch removes it again.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-07 10:21:25 +01:00
Mark Brown
387f837b3d Merge branch 'topic/component' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-core 2014-05-07 10:21:22 +01:00
Brian Austin
272b5edd3b ASoC: Add support for CS42L56 CODEC
This patch adds support for the Cirrus Logic Low Power Stereo I2C CODEC

Signed-off-by: Brian Austin <brian.austin@cirrus.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-05 18:20:22 -07:00
Daniel Mack
7c2fcccc32 ASoC: sta350: add support for bits in miscellaneous registers
Add support for RPDNEN, NSHHPEN, BRIDGOFF, CPWMEN and PNDLSL, and add DT
bindings to access them.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-05 12:52:59 -07:00
Oder Chiou
1319b2f6a5 ASoC: rt5645: Add codec driver
This patch adds the Realtek ALC5645 codec driver. It is the base
version that because the jack detect function is not implemented to
it, the headphone and AMIC1 are not workable. We will fill up the
further functions later.

Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-03 10:36:10 -07:00
Vinod Koul
d98812082c ASoC: add SND_SOC_BYTES_EXT
we need _EXT version for SND_SOC_BYTES so that DSPs can use this to pass data
for DSP modules

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-02 13:44:24 -07:00
Mark Brown
f29b542183 Merge branch 'asoc-dt' into asoc-omap 2014-05-01 10:57:03 -07:00
Sebastian Reichel
3ca041ed04 ASoC: dt: Allow Aux Codecs to be specified using DT
This patch adds support for specifying auxiliary codecs and
codec configuration via device tree phandles.

This change adds new fields to snd_soc_aux_dev and snd_soc_codec_conf
and adds support for the changes to SoC core methods.

Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-01 10:56:45 -07:00
Jyri Sarha
389cb8348c ASoC: core: Update snd_soc_of_parse_daifmt() interface
Adds struct device_node **bitclkmaster and struct device_node **framemaster
function parameters. With the new syntax bitclock-master and frame-master
properties can explicitly indicate the dai-link bit-clock and frame masters
with a phandle. This patch also makes the minimal changes to simple-card
for it to work with the updated snd_soc_of_parse_daifmt(). Simple-card appears
to be the only user of snd_soc_of_parse_daifmt() for now.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Acked-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-23 13:14:27 +01:00
Lars-Peter Clausen
907fe36a2c ASoC: Move standard kcontrol helpers to the component level
After moving the IO layer inside ASoC to the component level we can now easily
move the standard control helpers also to the component level. This allows to
reuse the same standard helper control implementations for other components.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-22 13:38:21 +01:00