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ASoC: soc-dai: add get_sdw_stream() callback 

We only have a set() operation, provide the dual get() operation to
retrieve the stream information.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200225170041.23644-3-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Pierre-Louis Bossart 2020-02-25 11:00:40 -06:00 committed by Mark Brown
parent f5e056e1e4
commit 36d73c4a9e
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1 changed files with 21 additions and 0 deletions
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21
include/sound/soc-dai.h
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@ -202,6 +202,8 @@ struct snd_soc_dai_ops {
int (*set_sdw_stream)(struct snd_soc_dai *dai,
void *stream, int direction);
void *(*get_sdw_stream)(struct snd_soc_dai *dai, int direction);
/*
* DAI digital mute - optional.
* Called by soc-core to minimise any pops.
@ -423,4 +425,23 @@ static inline int snd_soc_dai_set_sdw_stream(struct snd_soc_dai *dai,
return -ENOTSUPP;
}
/**
* snd_soc_dai_get_sdw_stream() - Retrieves SDW stream from DAI
* @dai: DAI
* @direction: Stream direction(Playback/Capture)
*
* This routine only retrieves that was previously configured
* with snd_soc_dai_get_sdw_stream()
*
* Returns pointer to stream or NULL;
*/
static inline void *snd_soc_dai_get_sdw_stream(struct snd_soc_dai *dai,
int direction)
{
if (dai->driver->ops->get_sdw_stream)
return dai->driver->ops->get_sdw_stream(dai, direction);
else
return NULL;
}
#endif