On 04/16/2018 10:23 AM, Vinod Koul wrote:
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 | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+)
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h index 58acd00cae19..0997d4593f6d 100644 --- a/include/sound/soc-dai.h +++ b/include/sound/soc-dai.h @@ -168,6 +168,8 @@ 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.
@@ -359,4 +361,23 @@ 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 source/sink ports.
same issue as in v2, what is the convention here? How do you map playback/capture to source/sink?
- 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