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-rw-r--r--sound/soc/pxa/tosa.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/sound/soc/pxa/tosa.c b/sound/soc/pxa/tosa.c
index a3bfb2e8b70..7b983f93545 100644
--- a/sound/soc/pxa/tosa.c
+++ b/sound/soc/pxa/tosa.c
@@ -79,10 +79,15 @@ static void tosa_ext_control(struct snd_soc_codec *codec)
static int tosa_startup(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->card->codec;
+ struct snd_soc_codec *codec = rtd->codec;
+
+ mutex_lock(&codec->mutex);
/* check the jack status at stream startup */
tosa_ext_control(codec);
+
+ mutex_unlock(&codec->mutex);
+
return 0;
}