diff --git a/[refs] b/[refs]
index 02462ce07fe9..1e6c17883ead 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 36c3b4e60a83187e82bc9bcde854e765bde3d670
+refs/heads/master: c72816b79e9735284b3c0f6b3a4aa4e1c0537c0d
diff --git a/trunk/sound/soc/s3c24xx/s3c24xx-pcm.c b/trunk/sound/soc/s3c24xx/s3c24xx-pcm.c
index 21dc6974d6a3..bfbdc3cbd43b 100644
--- a/trunk/sound/soc/s3c24xx/s3c24xx-pcm.c
+++ b/trunk/sound/soc/s3c24xx/s3c24xx-pcm.c
@@ -337,6 +337,8 @@ static int s3c24xx_pcm_open(struct snd_pcm_substream *substream)
 	if (prtd == NULL)
 		return -ENOMEM;
 
+	spin_lock_init(&prtd->lock);
+
 	runtime->private_data = prtd;
 	return 0;
 }