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ASoC: DaVinci: use edma_pause, edma_resume 

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>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Troy Kisky 2009-11-18 17:49:54 -07:00 committed by Mark Brown
parent 1e224f322b
commit 2b7b250df7
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
sound/soc/davinci/davinci-pcm.c
View File

@ -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;
}