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pcm: add helper functions to query timestamping capabilities

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extend support to link, link_estimated and link_synchronized
timestamp. wall-clock is deprecated

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Pierre-Louis Bossart 2015-07-01 15:40:54 -05:00 • committed by Takashi Iwai
parent 4dc44bb34a
commit 6cb31b4444
2 changed files with 36 additions and 2 deletions
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3
include/pcm.h
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@ -668,7 +668,8 @@ int snd_pcm_hw_params_is_half_duplex(const snd_pcm_hw_params_t *params);
int snd_pcm_hw_params_is_joint_duplex(const snd_pcm_hw_params_t *params);
int snd_pcm_hw_params_can_sync_start(const snd_pcm_hw_params_t *params);
int snd_pcm_hw_params_can_disable_period_wakeup(const snd_pcm_hw_params_t *params);
int snd_pcm_hw_params_supports_audio_wallclock_ts(const snd_pcm_hw_params_t *params);
int snd_pcm_hw_params_supports_audio_wallclock_ts(const snd_pcm_hw_params_t *params); /* deprecated, use audio_ts_type */
int snd_pcm_hw_params_supports_audio_ts_type(const snd_pcm_hw_params_t *params, int type);
int snd_pcm_hw_params_get_rate_numden(const snd_pcm_hw_params_t *params,
unsigned int *rate_num,
unsigned int *rate_den);