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-rw-r--r--sound/soc/pxa/magician.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/pxa/magician.c b/sound/soc/pxa/magician.c
index b8207ced407..5ef0526924b 100644
--- a/sound/soc/pxa/magician.c
+++ b/sound/soc/pxa/magician.c
@@ -72,9 +72,13 @@ static int magician_startup(struct snd_pcm_substream *substream)
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_codec *codec = rtd->codec;
+ mutex_lock(&codec->mutex);
+
/* check the jack status at stream startup */
magician_ext_control(codec);
+ mutex_unlock(&codec->mutex);
+
return 0;
}