X-Git-Url: https://git.codelabs.ch/?p=muen%2Flinux.git;a=blobdiff_plain;f=include%2Fsound%2Fsoc-dai.h;h=e6f8c40ed43c3f1615aaad20af4e467a3bc937e5;hp=568f6a72c974d13c6012e64828b92eb6d5ac6889;hb=126f7051b4daa3716d9af2851dcb55316e4c2b25;hpb=d4d5a1cd298e67cb68cca8dc7dd1ea3942cce3ff

diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h
index 568f6a72c974..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.
@@ -357,4 +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