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pcm: implement snd_pcm_hw_params_get_sync() and obsolete snd_pcm_info_get_sync()

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Use the new clock source mechanism to get information about
similar PCM clock sources for PCM streams.

Link: https://lore.kernel.org/linux-sound/20240625172836.589380-1-perex@perex.cz/
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2024-08-20 15:33:45 +02:00
parent 9b6dfb3eb6
commit b154d9145f
3 changed files with 32 additions and 5 deletions
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4
include/pcm.h
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@ -508,6 +508,9 @@ typedef union _snd_pcm_sync_id {
unsigned int id32[4];
} snd_pcm_sync_id_t;
/** synchronization ID size (see snd_pcm_hw_params_get_sync) */
#define SND_PCM_HW_PARAMS_SYNC_SIZE 16
/** Infinite wait for snd_pcm_wait() */
#define SND_PCM_WAIT_INFINITE (-1)
/** Wait for next i/o in snd_pcm_wait() */
@ -747,6 +750,7 @@ int snd_pcm_hw_params_get_rate_numden(const snd_pcm_hw_params_t *params,
unsigned int *rate_den);
int snd_pcm_hw_params_get_sbits(const snd_pcm_hw_params_t *params);
int snd_pcm_hw_params_get_fifo_size(const snd_pcm_hw_params_t *params);
const unsigned char * snd_pcm_hw_params_get_sync(const snd_pcm_hw_params_t *params);
#if 0
typedef struct _snd_pcm_hw_strategy snd_pcm_hw_strategy_t;