ALSA: AACI: fix AC97 multiple-open bug
Russell King [Sun, 29 Nov 2009 16:39:52 +0000 (16:39 +0000)]
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/arm/aaci.c

index 1f0f821..1cb7c28 100644 (file)
@@ -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));