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| author | Takashi Iwai <tiwai@suse.de> | 2011-04-05 09:12:21 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2011-04-05 09:12:21 +0200 |
| commit | 4e29402fe4b2006c994eed5020c42b2cc87d9b42 (patch) | |
| tree | c0229c107045ab21487729f6a6cab6b70ed30bfa /sound/arm/pxa2xx-pcm-lib.c | |
| parent | f8852b12200df393b0a4db1a7052454bbc335443 (diff) | |
| parent | 00b317a41c5428b13eb7e5b4bbc691b1aa7afa80 (diff) | |
| download | op-kernel-dev-4e29402fe4b2006c994eed5020c42b2cc87d9b42.zip op-kernel-dev-4e29402fe4b2006c994eed5020c42b2cc87d9b42.tar.gz | |
Merge branch 'for-2.6.39' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound-2.6 into fix/asoc
Diffstat (limited to 'sound/arm/pxa2xx-pcm-lib.c')
| -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 8808b82..76e0d56 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; |
