[alsa-devel] [PATCH 4/4] ASoC: DaVinci: use edma_pause, edma_resume
Troy Kisky
troy.kisky at boundarydevices.com
Thu Nov 19 01:49:54 CET 2009
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 at 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;
}
--
1.5.6.3
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