diff --git a/[refs] b/[refs]
index 5422f21a2c16..8365e179c8ad 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 94f3ec6b2222eb5c0af0c784f0656ff5b909d870
+refs/heads/master: 8513915accc611e576dbebb93422c257e7e68be8
diff --git a/trunk/include/sound/pcm.h b/trunk/include/sound/pcm.h
index c75c0d1a85e2..cdca2ab1e711 100644
--- a/trunk/include/sound/pcm.h
+++ b/trunk/include/sound/pcm.h
@@ -1075,7 +1075,8 @@ static inline void snd_pcm_limit_isa_dma_size(int dma, size_t *max)
 const char *snd_pcm_format_name(snd_pcm_format_t format);
 
 /**
- * Get a string naming the direction of a stream
+ * snd_pcm_stream_str - Get a string naming the direction of a stream
+ * @substream: the pcm substream instance
  */
 static inline const char *snd_pcm_stream_str(struct snd_pcm_substream *substream)
 {