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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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3
include/sound/uapi/asound.h
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@ -426,7 +426,8 @@ struct snd_pcm_hw_params {
unsigned int rate_num; /* R: rate numerator */
unsigned int rate_den; /* R: rate denominator */
snd_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */
unsigned char reserved[64]; /* reserved for future */
unsigned char sync[16]; /* R: synchronization ID (perfect sync - one clock source) */
unsigned char reserved[48]; /* reserved for future */
};
enum {