linux_dsm_epyc7002/sound
Takashi Iwai 41438f1314 ALSA: hda - Make single_cmd option to stop the fallback mechanism
HD-audio driver has a mechanism to fall back to the single cmd mode as
a last resort if the CORB/RIRB communication goes wrong even after
switching to the polling mode.  The switching has worked in the past
well, but Enrico Mioso reported that his system crashes when this
happens.

Although the actual cause of the crash isn't still fully analyzed yet,
it'd be in anyway good to provide an option to turn off the fallback
mode.  Now this patch extends the behavior of the existing single_cmd
option for that.  Namely,

- The option is changed from bool to bint.
- As default, it is the mode allowing the fallback to single cmd.
- Once when either true/false value is given to the option, the driver
  explicitly turns on/off the single cmd mode, but without the
  fallback.

That is, if you want to disable the fallback, just pass single_cmd=0
option.  Passing single_cmd=1 will keep working like before.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-01-15 09:09:04 +01:00
..
aoa powerpc updates for 4.9 2016-10-07 20:19:31 -07:00
arm ALSA: arm: Fix empty menuconfig SND_ARM 2016-08-01 16:07:53 +02:00
atmel ALSA: sound/atmel/ac97c.c: remove unused variable 2015-05-20 06:18:25 +02:00
core ALSA: seq: Constify snd_rawmidi_ops 2017-01-12 12:49:55 +01:00
drivers ALSA: drivers: Constify snd_rawmidi_ops 2017-01-12 12:50:06 +01:00
firewire ALSA: oxfw: enclose identifiers referred by single function for scs1x feature 2017-01-14 09:31:57 +01:00
hda clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
i2c ALSA: ak4114: remove redundant check on err being < 0 2016-07-12 12:28:04 +02:00
isa ALSA: isa: Constify snd_rawmidi_ops 2017-01-12 12:50:16 +01:00
mips ALSA: Remove deprecated AU1X00 AC97 driver 2016-02-08 08:17:15 +01:00
oss Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
parisc ALSA: Include linux/io.h instead of asm/io.h 2015-01-28 16:49:33 +01:00
pci ALSA: hda - Make single_cmd option to stop the fallback mechanism 2017-01-15 09:09:04 +01:00
pcmcia ALSA: vx: Fix possible transfer overflow 2017-01-04 18:01:35 +01:00
ppc powerpc updates for 4.9 2016-10-07 20:19:31 -07:00
sh ktime: Cleanup ktime_set() usage 2016-12-25 17:21:22 +01:00
soc sound updates for 4.10-rc1 2016-12-14 11:14:28 -08:00
sparc dbri: move dereference after check for NULL 2016-12-06 12:18:22 -05:00
spi ALSA: at73c213: manage SSC clock 2016-01-20 09:59:27 +01:00
synth ALSA: synth: use designated initializers 2016-12-28 16:06:16 +01:00
usb ALSA: usb: Constify snd_rawmidi_ops 2017-01-12 12:50:48 +01:00
ac97_bus.c ASoC: Updates for v4.3 2015-08-31 16:25:22 +02:00
Kconfig ALSA: hda - Make snd_hda_bus_type public 2015-03-23 13:15:51 +01:00
last.c
Makefile sound: oss: Use kernel_read_file_from_path() for mod_firmware_load() 2016-07-26 10:38:03 +02:00
sound_core.c sound: fix check for error condition of register_chrdev() 2015-11-07 11:14:30 +01:00