ASoC: utils: Add internal call to determine if DAI is dummy.
Provide a quick way to tell if a DAI is a dummy DAI or a regular DAI.
This is for internal DAPM usage only and is used to determine whether to
insert a DAI link connection into the DAPM graph.
Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h
index 800c101..c42864b 100644
--- a/include/sound/soc-dai.h
+++ b/include/sound/soc-dai.h
@@ -123,6 +123,8 @@
int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute,
int direction);
+int snd_soc_dai_is_dummy(struct snd_soc_dai *dai);
+
struct snd_soc_dai_ops {
/*
* DAI clocking configuration, all optional.
diff --git a/sound/soc/soc-utils.c b/sound/soc/soc-utils.c
index 5e63365..d14bdb3 100644
--- a/sound/soc/soc-utils.c
+++ b/sound/soc/soc-utils.c
@@ -123,6 +123,13 @@
},
};
+int snd_soc_dai_is_dummy(struct snd_soc_dai *dai)
+{
+ if (dai->driver == &dummy_dai)
+ return 1;
+ return 0;
+}
+
static int snd_soc_dummy_probe(struct platform_device *pdev)
{
int ret;