linux/sound
Mark Brown da18396f94 ASoC: core: Allow digital mute for capture
Help avoid noise from the power up of the capture path propagating through
into the start of the recording (especially noise caused by the ramp of
microphone biases) by keeping the capture muted until after we've finished
powering things up with DAPM in the same manner we do for playback. This
allows us to take advantage of soft mute support in the hardware more
effectively and is more consistent.

The core code using the existing digital mute operation is updated to take
advantage of this. Some additional cases in the soc-pcm code and suspend
will need separate handling but these are less practically relevant than
the main runtime stream start/stop case.

Rather than refactor the digital mute function in every single driver a
new operation is added for drivers taking advantage of this functionality,
the old operation should be phased out over time.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by Vinod Koul <vinod.koul@intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
2013-02-08 11:08:44 +00:00
..
aoa sound/aoa: Adapt to new i2c probing scheme 2012-07-11 18:22:48 +10:00
arm ALSA: pxa27x: fix ac97 warm reset 2013-01-08 11:27:35 +00:00
atmel ALSA: atmel: remove __dev* attributes 2012-12-07 07:22:12 +01:00
core Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2012-12-13 12:00:02 -08:00
drivers ALSA: drivers: remove __dev* attributes 2012-12-07 07:34:32 +01:00
firewire ALSA: firewire-speakers: remove __dev* attributes 2012-12-07 07:29:30 +01:00
i2c ALSA: Fix typo in drivers sound 2012-11-04 09:20:58 +01:00
isa ALSA: Remove the rest of __devinit* in comments 2012-12-07 07:41:56 +01:00
mips ALSA: mips: remove __dev* attributes 2012-12-07 07:29:45 +01:00
oss sound: oss/pas2: Fix possible access out of array 2013-01-04 10:38:27 +01:00
parisc ALSA: parisc/harmony: remove __dev* attributes 2012-12-07 07:30:11 +01:00
pci ALSA: hda/hdmi - Work around "alsactl restore" errors 2013-01-15 14:55:16 +01:00
pcmcia ALSA: pdaudiocf: Remove superfluous pm_message_t argument from suspend 2012-07-03 08:23:08 +02:00
ppc ALSA: ppc: remove __dev* attributes 2012-12-07 07:33:30 +01:00
sh ALSA: sh: remove __dev* attributes 2012-12-07 07:33:47 +01:00
soc ASoC: core: Allow digital mute for capture 2013-02-08 11:08:44 +00:00
sparc ALSA: sparc: remove __dev* attributes 2012-12-07 07:34:04 +01:00
spi ALSA: at73c213: remove __dev* attributes 2012-12-07 07:34:13 +01:00
synth
usb ALSA: usb-audio: selector map for M-Audio FT C400 2013-01-14 10:06:11 +01:00
ac97_bus.c
Kconfig sound: remove reference to feature-removal-schedule.txt 2012-12-17 17:15:12 -08:00
last.c ALSA: Remove the last mention of SNDRV_MAIN_OBJECT_FILE 2012-09-03 10:07:23 +02:00
Makefile
sound_core.c sound: remove reference to feature-removal-schedule.txt 2012-12-17 17:15:12 -08:00
sound_firmware.c sound_firmware: don't pass crap to filp_close() 2012-07-29 21:24:22 +04:00