Hi,
On Mar 28 2018 18:38, Vinod Koul wrote:
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index c0edac80df34..690e56a35237 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -2882,6 +2882,26 @@ int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot);
/**
+ * 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.
+ *
+ * Returns 0 on success, a negative error code otherwise.
+ */
+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;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dai_set_sdw_stream);
It's better for this kind of code to be incline function in any header.
In general, new symbols increase maintenance cost of binary of
kernel-related stuffs. It's preferable to avoid the addition if
possible, IMO.
Regards
Takashi Sakamoto
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