Use edma_pause and edma_resume to make missing dma_events less likely. This may not be needed, but it looks better.
Signed-off-by: Troy Kisky troy.kisky@boundarydevices.com --- sound/soc/davinci/davinci-pcm.c | 6 ++++-- 1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/sound/soc/davinci/davinci-pcm.c b/sound/soc/davinci/davinci-pcm.c index 664d493..ad4d7f4 100644 --- a/sound/soc/davinci/davinci-pcm.c +++ b/sound/soc/davinci/davinci-pcm.c @@ -528,12 +528,12 @@ static int davinci_pcm_trigger(struct snd_pcm_substream *substream, int cmd) case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - edma_start(prtd->asp_channel); + edma_resume(prtd->asp_channel); break; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - edma_stop(prtd->asp_channel); + edma_pause(prtd->asp_channel); break; default: ret = -EINVAL; @@ -568,6 +568,7 @@ static int davinci_pcm_prepare(struct snd_pcm_substream *substream) /* copy 1st iram buffer */ edma_start(prtd->ram_channel); } + edma_start(prtd->asp_channel); return 0; } prtd->period = 0; @@ -577,6 +578,7 @@ static int davinci_pcm_prepare(struct snd_pcm_substream *substream) edma_read_slot(prtd->asp_link[0], &prtd->asp_params); edma_write_slot(prtd->asp_channel, &prtd->asp_params); davinci_pcm_enqueue_dma(substream); + edma_start(prtd->asp_channel);
return 0; }