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pcm: Add sw_params API functions to get/set timestamp type

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For obtaining / changing the timestamp type, add the corresponding
sw_params accessor API functions together with the public definitions
of timestamp types.

This patch only adds the functions and defines but doesn't bring the
functional changes yet.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2014-07-10 14:26:37 +02:00
parent 5250a8e212
commit 0d393c29a2
4 changed files with 64 additions and 0 deletions
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src/pcm/pcm_local.h
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@ -202,6 +202,7 @@ struct _snd_pcm {
unsigned int period_time; /* period duration */
snd_interval_t periods;
snd_pcm_tstamp_t tstamp_mode; /* timestamp mode */
snd_pcm_tstamp_type_t tstamp_type; /* timestamp type */
unsigned int period_step;
snd_pcm_uframes_t avail_min; /* min avail frames for wakeup */
int period_event;