diff options
| author | Libin Yang <libin.yang@intel.com> | 2014-12-31 22:09:54 +0800 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2014-12-31 17:10:08 +0100 |
| commit | 48d882978eb0a15547093b4542a82b5c22548041 (patch) | |
| tree | 814d122dc9b7d6076ecb49229ba27b3bd94d3401 /include/sound | |
| parent | 0d02e1292715d00674a49626146e3a854b504cb1 (diff) | |
| download | linux-48d882978eb0a15547093b4542a82b5c22548041.tar.bz2 | |
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>
Diffstat (limited to 'include/sound')
| -rw-r--r-- | include/sound/pcm.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h index 3652c9439af9..bf32cea2202e 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -106,6 +106,7 @@ struct snd_pcm_ops { #define SNDRV_PCM_TRIGGER_PAUSE_RELEASE 4 #define SNDRV_PCM_TRIGGER_SUSPEND 5 #define SNDRV_PCM_TRIGGER_RESUME 6 +#define SNDRV_PCM_TRIGGER_DRAIN 7 #define SNDRV_PCM_POS_XRUN ((snd_pcm_uframes_t)-1) |