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-rw-r--r--include/sound/soc-dai.h28
1 files changed, 25 insertions, 3 deletions
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h
index 8ad11669e4d8..e6f8c40ed43c 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.
@@ -294,8 +296,8 @@ struct snd_soc_dai {
struct snd_soc_dai_driver *driver;
/* DAI runtime info */
- unsigned int capture_active:1; /* stream is in use */
- unsigned int playback_active:1; /* stream is in use */
+ unsigned int capture_active; /* stream usage count */
+ unsigned int playback_active; /* stream usage count */
unsigned int probed:1;
unsigned int active;
@@ -313,7 +315,6 @@ struct snd_soc_dai {
unsigned int sample_bits;
/* parent platform/codec */
- struct snd_soc_codec *codec;
struct snd_soc_component *component;
/* CODEC TDM slot masks and params (for fixup) */
@@ -358,4 +359,25 @@ 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 ports and Capture for sink ports.
+ *
+ * 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