From: Shreyas NC shreyas.nc@intel.com
SoundWire stream needs to be propagated to all the DAIs(cpu, codec). So, add a snd_soc_dai_set_sdw_stream() API for the same.
Signed-off-by: Shreyas NC shreyas.nc@intel.com Signed-off-by: Vinod Koul vinod.koul@intel.com --- include/sound/soc-dai.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+)
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h index 8ad11669e4d8..e654427b6885 100644 --- a/include/sound/soc-dai.h +++ b/include/sound/soc-dai.h @@ -170,6 +170,8 @@ struct snd_soc_dai_ops { unsigned int rx_num, unsigned int *rx_slot); int (*set_tristate)(struct snd_soc_dai *dai, int tristate);
+ int (*set_sdw_stream)(struct snd_soc_dai *dai, + void *stream, int direction); /* * DAI digital mute - optional. * Called by soc-core to minimise any pops. @@ -358,4 +360,25 @@ static inline void *snd_soc_dai_get_drvdata(struct snd_soc_dai *dai) return dev_get_drvdata(dai->dev); }
+/** + * snd_soc_dai_set_sdw_stream() - Configures a DAI for SDW stream operation + * @dai: DAI + * @stream: STREAM + * @direction: Stream direction(Playback/Capture) + * SoundWire subsystem doesn't have a notion of direction and we reuse + * the ASoC stream direction to configure sink/source ports. + * Playback maps to source on the TX and sink on Rx. Vice-versa for Capture. + * + * This should be invoked with NULL to clear the stream set previously. + * Returns 0 on success, a negative error code otherwise. + */ +static inline int snd_soc_dai_set_sdw_stream(struct snd_soc_dai *dai, + void *stream, int direction) +{ + if (dai->driver->ops->set_sdw_stream) + return dai->driver->ops->set_sdw_stream(dai, stream, direction); + else + return -ENOTSUPP; +} + #endif