diff options
Diffstat (limited to 'sound/soc/fsl/imx-pcm-dma-v2.c')
| -rw-r--r-- | sound/soc/fsl/imx-pcm-dma-v2.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/sound/soc/fsl/imx-pcm-dma-v2.c b/sound/soc/fsl/imx-pcm-dma-v2.c index 38ff1375ff3d..7d345dd92e3d 100644 --- a/sound/soc/fsl/imx-pcm-dma-v2.c +++ b/sound/soc/fsl/imx-pcm-dma-v2.c @@ -113,12 +113,23 @@ static int imx_pcm_open(struct snd_pcm_substream *substream) chan = dma_request_slave_channel(rtd->cpu_dai->dev, dma_data->filter_data); ret = snd_dmaengine_pcm_open(substream, chan); + if (ret) + return ret; } else { ret = snd_dmaengine_pcm_open_request_chan(substream, imx_dma_filter_fn, dma_data->filter_data); + if (ret) + return ret; } - return ret; + + ret = snd_pcm_hw_constraint_integer(substream->runtime, + SNDRV_PCM_HW_PARAM_PERIODS); + if (ret < 0) + return ret; + + + return 0; } static int imx_pcm_mmap(struct snd_pcm_substream *substream, |