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author | Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2015-02-13 15:14:06 -0600 |
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committer | Takashi Iwai <tiwai@suse.de> | 2015-02-20 17:30:05 +0100 |
commit | 3179f62001880e588e229db3006a59ad87b7792a (patch) | |
tree | 342328adea518d1ad55279634cee3a406fdb81cb /include | |
parent | 5442a73a009231598fb5ea065c4e3f9daa30d8cc (diff) | |
download | linux-3179f62001880e588e229db3006a59ad87b7792a.tar.gz linux-3179f62001880e588e229db3006a59ad87b7792a.tar.bz2 linux-3179f62001880e588e229db3006a59ad87b7792a.zip |
ALSA: core: add .get_time_info
Introduce more generic .get_time_info to retrieve
system timestamp and audio timestamp in single routine.
Backwards compatibility is preserved with same functionality
as with .wall_clock method (to be removed in following commits
to avoid breaking git bisect)
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include')
-rw-r--r-- | include/sound/pcm.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h index 60f0e48f7905..04f2d492ae57 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -76,6 +76,10 @@ struct snd_pcm_ops { snd_pcm_uframes_t (*pointer)(struct snd_pcm_substream *substream); int (*wall_clock)(struct snd_pcm_substream *substream, struct timespec *audio_ts); + int (*get_time_info)(struct snd_pcm_substream *substream, + struct timespec *system_ts, struct timespec *audio_ts, + struct snd_pcm_audio_tstamp_config *audio_tstamp_config, + struct snd_pcm_audio_tstamp_report *audio_tstamp_report); int (*copy)(struct snd_pcm_substream *substream, int channel, snd_pcm_uframes_t pos, void __user *buf, snd_pcm_uframes_t count); |