diff options
Diffstat (limited to 'sound/soc/atmel/atmel-pcm.c')
| -rw-r--r-- | sound/soc/atmel/atmel-pcm.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/sound/soc/atmel/atmel-pcm.c b/sound/soc/atmel/atmel-pcm.c index 8ae3fa5..3109db7 100644 --- a/sound/soc/atmel/atmel-pcm.c +++ b/sound/soc/atmel/atmel-pcm.c @@ -50,7 +50,7 @@ static int atmel_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, buf->area = dma_alloc_coherent(pcm->card->dev, size, &buf->addr, GFP_KERNEL); pr_debug("atmel-pcm: alloc dma buffer: area=%p, addr=%p, size=%zu\n", - (void *)buf->area, (void *)(long)buf->addr, size); + (void *)buf->area, (void *)buf->addr, size); if (!buf->area) return -ENOMEM; @@ -68,15 +68,18 @@ int atmel_pcm_mmap(struct snd_pcm_substream *substream, } EXPORT_SYMBOL_GPL(atmel_pcm_mmap); +static u64 atmel_pcm_dmamask = DMA_BIT_MASK(32); + int atmel_pcm_new(struct snd_soc_pcm_runtime *rtd) { struct snd_card *card = rtd->card->snd_card; struct snd_pcm *pcm = rtd->pcm; - int ret; + int ret = 0; - ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32)); - if (ret) - return ret; + if (!card->dev->dma_mask) + card->dev->dma_mask = &atmel_pcm_dmamask; + if (!card->dev->coherent_dma_mask) + card->dev->coherent_dma_mask = DMA_BIT_MASK(32); if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) { pr_debug("atmel-pcm: allocating PCM playback DMA buffer\n"); |