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ALSA: pcm: add IEC958 channel status helper for hw_params

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Add IEC958 channel status helper that gets the audio properties from
snd_pcm_hw_params instead of snd_pcm_runtime. This is needed to
produce the channel status bits already in audio stream configuration
phase.

Signed-off-by: Jyri Sarha <[email protected]>
Reviewed-by: Takashi Iwai <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
This commit is contained in:
Jyri Sarha 2016-03-31 16:35:58 +03:00 • committed by Mark Brown
commit 4a4436573a
2 changed files with 49 additions and 17 deletions
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2
include/sound/pcm_iec958.h
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@ -6,4 +6,6 @@
int snd_pcm_create_iec958_consumer(struct snd_pcm_runtime *runtime, u8 *cs,
size_t len);
int snd_pcm_create_iec958_consumer_hw_params(struct snd_pcm_hw_params *params,
u8 *cs, size_t len);
#endif