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| author | Lars-Peter Clausen <lars@metafoo.de> | 2010-03-22 18:57:50 +0000 |
|---|---|---|
| committer | Lars-Peter Clausen <lars@metafoo.de> | 2010-03-22 18:57:50 +0000 |
| commit | 0ddd7f10825a80ca6f3af00579f18d75b1a9c10d (patch) | |
| tree | 0e4ab46fe310ed55691932dfa49330b38b7382c8 | |
| parent | fd3344d4881b33c108bccc22a3eb8623adcb8008 (diff) | |
| download | mtk-20170518-0ddd7f10825a80ca6f3af00579f18d75b1a9c10d.zip mtk-20170518-0ddd7f10825a80ca6f3af00579f18d75b1a9c10d.tar.gz mtk-20170518-0ddd7f10825a80ca6f3af00579f18d75b1a9c10d.tar.bz2 | |
sound jz4740_pcm: Set dma channel to NULL after it has been freed, because hw_free can be called multiple times aswell.
SVN-Revision: 20373
| -rw-r--r-- | target/linux/xburst/files-2.6.32/sound/soc/jz4740/jz4740-pcm.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/target/linux/xburst/files-2.6.32/sound/soc/jz4740/jz4740-pcm.c b/target/linux/xburst/files-2.6.32/sound/soc/jz4740/jz4740-pcm.c index 4a4de19..3ccc652 100644 --- a/target/linux/xburst/files-2.6.32/sound/soc/jz4740/jz4740-pcm.c +++ b/target/linux/xburst/files-2.6.32/sound/soc/jz4740/jz4740-pcm.c @@ -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; } |