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ASoC: DaVinci: use edma_pause, edma_resume

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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
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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_START:
case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
edma_start(prtd->asp_channel); edma_resume(prtd->asp_channel);
break; break;
case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH: case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
edma_stop(prtd->asp_channel); edma_pause(prtd->asp_channel);
break; break;
default: default:
ret = -EINVAL; ret = -EINVAL;
@ -568,6 +568,7 @@ static int davinci_pcm_prepare(struct snd_pcm_substream *substream)
/* copy 1st iram buffer */ /* copy 1st iram buffer */
edma_start(prtd->ram_channel); edma_start(prtd->ram_channel);
} }
edma_start(prtd->asp_channel);
return 0; return 0;
} }
prtd->period = 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_read_slot(prtd->asp_link[0], &prtd->asp_params);
edma_write_slot(prtd->asp_channel, &prtd->asp_params); edma_write_slot(prtd->asp_channel, &prtd->asp_params);
davinci_pcm_enqueue_dma(substream); davinci_pcm_enqueue_dma(substream);
edma_start(prtd->asp_channel);
return 0; return 0;
} }