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-rw-r--r--sound/soc/soc-dai.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/sound/soc/soc-dai.c b/sound/soc/soc-dai.c
index 51031e330179..19142f6e533c 100644
--- a/sound/soc/soc-dai.c
+++ b/sound/soc/soc-dai.c
@@ -295,17 +295,24 @@ int snd_soc_dai_startup(struct snd_soc_dai *dai,
{
int ret = 0;
- if (dai->driver->ops->startup)
+ if (!dai->started &&
+ dai->driver->ops->startup)
ret = dai->driver->ops->startup(substream, dai);
+ if (ret == 0)
+ dai->started = 1;
+
return ret;
}
void snd_soc_dai_shutdown(struct snd_soc_dai *dai,
struct snd_pcm_substream *substream)
{
- if (dai->driver->ops->shutdown)
+ if (dai->started &&
+ dai->driver->ops->shutdown)
dai->driver->ops->shutdown(substream, dai);
+
+ dai->started = 0;
}
int snd_soc_dai_prepare(struct snd_soc_dai *dai,
@@ -383,12 +390,7 @@ int snd_soc_dai_compress_new(struct snd_soc_dai *dai,
*/
bool snd_soc_dai_stream_valid(struct snd_soc_dai *dai, int dir)
{
- struct snd_soc_pcm_stream *stream;
-
- if (dir == SNDRV_PCM_STREAM_PLAYBACK)
- stream = &dai->driver->playback;
- else
- stream = &dai->driver->capture;
+ struct snd_soc_pcm_stream *stream = snd_soc_dai_get_pcm_stream(dai, dir);
/* If the codec specifies any channels at all, it supports the stream */
return stream->channels_min;