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audio DMA : dma_period is not an integer multiple of dma_size support

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邱建斌
2013-03-14 11:42:36 +08:00
parent 5f780555f8
commit e609b8428a
1 changed files with 2 additions and 3 deletions
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5
sound/soc/rk29/rk29_pcm.c
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@@ -114,15 +114,14 @@ static void rockchip_pcm_enqueue(struct snd_pcm_substream *substream)
limit = prtd->dma_limit;
if (DMA_INFIN_LOOP()) {
if(prtd->dma_period % prtd->params->dma_size*16){
WARN_ON(1);
if(prtd->dma_period % (prtd->params->dma_size*16)){
printk("dma_period(%d) is not an integer multiple of dma_size(%d)",prtd->dma_period,prtd->params->dma_size*16);
rk29_dma_config(prtd->params->channel,
prtd->params->dma_size, 1);
}
else
rk29_dma_config(prtd->params->channel,
prtd->params->dma_size, 16);
ret = rk29_dma_enqueue_ring(prtd->params->channel,
substream, pos, prtd->dma_period, limit ,true);
if (ret == 0)