A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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ASoC: Add a shutdown callback

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Ensure that the audio subsystem is powered down cleanly when the system
shuts down by providing a shutdown operation. This ensures that all the
components have been returned to an off state cleanly which should avoid
audio issues from partially charged capacitors or noise on digital inputs
if the system is restarted quickly.

Signed-off-by: Mark Brown <[email protected]>
Tested-by: Ben Dooks <[email protected]>
This commit is contained in:
Mark Brown 2009-06-22 13:16:51 +01:00
commit 517374704d
3 changed files with 46 additions and 0 deletions
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1
include/sound/soc-dapm.h
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@ -279,6 +279,7 @@ int snd_soc_dapm_add_routes(struct snd_soc_codec *codec,
/* dapm events */
int snd_soc_dapm_stream_event(struct snd_soc_codec *codec, char *stream,
int event);
void snd_soc_dapm_shutdown(struct snd_soc_device *socdev);
/* dapm sys fs - used by the core */
int snd_soc_dapm_sys_add(struct device *dev);