diff options
| -rw-r--r-- | include/sound/soc-dai.h | 1 | ||||
| -rw-r--r-- | sound/soc/soc-dai.c | 12 |
2 files changed, 13 insertions, 0 deletions
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h index 800d7aa8523e..2c74c41f9447 100644 --- a/include/sound/soc-dai.h +++ b/include/sound/soc-dai.h @@ -173,6 +173,7 @@ static inline void snd_soc_dai_deactivate(struct snd_soc_dai *dai, { snd_soc_dai_action(dai, stream, -1); } +int snd_soc_dai_active(struct snd_soc_dai *dai); int snd_soc_pcm_dai_probe(struct snd_soc_pcm_runtime *rtd, int order); int snd_soc_pcm_dai_remove(struct snd_soc_pcm_runtime *rtd, int order); diff --git a/sound/soc/soc-dai.c b/sound/soc/soc-dai.c index 3208f244c1b8..de2981fa5372 100644 --- a/sound/soc/soc-dai.c +++ b/sound/soc/soc-dai.c @@ -397,6 +397,18 @@ void snd_soc_dai_action(struct snd_soc_dai *dai, } EXPORT_SYMBOL_GPL(snd_soc_dai_action); +int snd_soc_dai_active(struct snd_soc_dai *dai) +{ + int stream, active; + + active = 0; + for_each_pcm_streams(stream) + active += dai->stream_active[stream]; + + return active; +} +EXPORT_SYMBOL_GPL(snd_soc_dai_active); + int snd_soc_pcm_dai_probe(struct snd_soc_pcm_runtime *rtd, int order) { struct snd_soc_dai *dai; |