aboutsummaryrefslogtreecommitdiffstats
path: root/sound/arm/pxa2xx-pcm-lib.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/arm/pxa2xx-pcm-lib.c')
-rw-r--r--sound/arm/pxa2xx-pcm-lib.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/arm/pxa2xx-pcm-lib.c b/sound/arm/pxa2xx-pcm-lib.c
index 6205f37d547c..743ac6a29065 100644
--- a/sound/arm/pxa2xx-pcm-lib.c
+++ b/sound/arm/pxa2xx-pcm-lib.c
@@ -136,6 +136,9 @@ int __pxa2xx_pcm_prepare(struct snd_pcm_substream *substream)
136{ 136{
137 struct pxa2xx_runtime_data *prtd = substream->runtime->private_data; 137 struct pxa2xx_runtime_data *prtd = substream->runtime->private_data;
138 138
139 if (!prtd || !prtd->params)
140 return 0;
141
139 DCSR(prtd->dma_ch) &= ~DCSR_RUN; 142 DCSR(prtd->dma_ch) &= ~DCSR_RUN;
140 DCSR(prtd->dma_ch) = 0; 143 DCSR(prtd->dma_ch) = 0;
141 DCMD(prtd->dma_ch) = 0; 144 DCMD(prtd->dma_ch) = 0;