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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-04-13 23:32:13 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-04-13 23:32:13 +0100 |
| commit | a84bd2ee81ea1bdbd238cd1c380ec25f50a876c5 (patch) | |
| tree | ba054d4b1a20dadec088fd4d8983fb5939227e46 /sound/arm | |
| parent | aec995900fbc8cffa9f0f9e797ef07a0beb2b079 (diff) | |
| parent | 7db6a7fa09884b34d2a5d4e6e4ed58664a5f0cf8 (diff) | |
| download | blackbird-op-linux-a84bd2ee81ea1bdbd238cd1c380ec25f50a876c5.tar.gz blackbird-op-linux-a84bd2ee81ea1bdbd238cd1c380ec25f50a876c5.zip | |
Merge branch 'fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6 into fixes
Diffstat (limited to 'sound/arm')
| -rw-r--r-- | sound/arm/pxa2xx-pcm-lib.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/arm/pxa2xx-pcm-lib.c b/sound/arm/pxa2xx-pcm-lib.c index 8808b82311b1..76e0d5695075 100644 --- a/sound/arm/pxa2xx-pcm-lib.c +++ b/sound/arm/pxa2xx-pcm-lib.c @@ -140,6 +140,9 @@ int __pxa2xx_pcm_prepare(struct snd_pcm_substream *substream) if (!prtd || !prtd->params) return 0; + if (prtd->dma_ch == -1) + return -EINVAL; + DCSR(prtd->dma_ch) &= ~DCSR_RUN; DCSR(prtd->dma_ch) = 0; DCMD(prtd->dma_ch) = 0; |
