ALSA: AACI: fix AC97 multiple-open bug

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Cc: <stable@kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
NaiveTomcat · Nov 30, 2009 · 4acd57c · 4acd57c
1 parent 77a9d3e
commit 4acd57c
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/sound/arm/aaci.c b/sound/arm/aaci.c
@@ -504,6 +504,10 @@ static int aaci_pcm_hw_params(struct snd_pcm_substream *substream,
 	int err;
 
 	aaci_pcm_hw_free(substream);
+	if (aacirun->pcm_open) {
+		snd_ac97_pcm_close(aacirun->pcm);
+		aacirun->pcm_open = 0;
+	}
 
 	err = devdma_hw_alloc(NULL, substream,
 			      params_buffer_bytes(params));