diff options
Diffstat (limited to 'sound/soc/jz4740/jz4740-pcm.c')
| -rw-r--r-- | sound/soc/jz4740/jz4740-pcm.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/sound/soc/jz4740/jz4740-pcm.c b/sound/soc/jz4740/jz4740-pcm.c index 1d7ef28..7100592 100644 --- a/sound/soc/jz4740/jz4740-pcm.c +++ b/sound/soc/jz4740/jz4740-pcm.c @@ -297,15 +297,19 @@ static void jz4740_pcm_free(struct snd_pcm *pcm) } } +static u64 jz4740_pcm_dmamask = DMA_BIT_MASK(32); + static int jz4740_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; + + if (!card->dev->dma_mask) + card->dev->dma_mask = &jz4740_pcm_dmamask; - ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32)); - if (ret) - return ret; + if (!card->dev->coherent_dma_mask) + card->dev->coherent_dma_mask = DMA_BIT_MASK(32); if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) { ret = jz4740_pcm_preallocate_dma_buffer(pcm, |