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sound jz4740_pcm: Set dma channel to NULL after it has been freed, because hw_free can be called multiple times aswell.

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SVN-Revision: 20373
This commit is contained in:
Lars-Peter Clausen 2010-03-22 18:57:50 +00:00
parent fd3344d488
commit 0ddd7f1082
1 changed files with 3 additions and 1 deletions
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4
target/linux/xburst/files-2.6.32/sound/soc/jz4740/jz4740-pcm.c
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@ -136,8 +136,10 @@ static int jz4740_pcm_hw_free(struct snd_pcm_substream *substream)
struct jz4740_runtime_data *prtd = substream->runtime->private_data;
snd_pcm_set_runtime_buffer(substream, NULL);
if (prtd->dma)
if (prtd->dma) {
jz4740_dma_free(prtd->dma);
prtd->dma = NULL;
}
return 0;
}