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Commit 2b7b250d authored by Troy Kisky's avatar Troy Kisky Committed by Mark Brown
Browse files

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: default avatarTroy Kisky <troy.kisky@boundarydevices.com>
Acked-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 1e224f32

sound/soc/davinci/davinci-pcm.c

+4 −2
Original line number Diff line number Diff line
@@ -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;

}