Thread (7 messages) flat view 7 messages, 3 authors, 2012-08-24
STALE5122d

[PATCH] ASoC: samsung dma - prepare dma in start/resume trigger path

From: Dylan Reid <hidden>
Date: 2012-08-23 20:54:21
Also in: alsa-devel

On Thu, Aug 23, 2012 at 1:51 PM, Dylan Reid [off-list ref] wrote:
quoted hunk ↗ jump to hunk
On suspend all dma transactions are terminated (by the stop/suspend
trigger calling ops->stop), they need to be set up again during resume.
Move the prepare op to the start/resume/unpause trigger path so that dma
and audio will restart on resume/unpause.

Signed-off-by: Dylan Reid <redacted>
---
 sound/soc/samsung/dma.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/sound/soc/samsung/dma.c b/sound/soc/samsung/dma.c
index f3ebc38..5772762 100644
--- a/sound/soc/samsung/dma.c
+++ b/sound/soc/samsung/dma.c
@@ -250,6 +250,7 @@ static int dma_trigger(struct snd_pcm_substream *substream, int cmd)
        case SNDRV_PCM_TRIGGER_START:
        case SNDRV_PCM_TRIGGER_RESUME:
        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+               dma_prepare(substream);
                prtd->state |= ST_RUNNING;
                prtd->params->ops->trigger(prtd->params->ch);
                break;
@@ -352,7 +353,6 @@ static struct snd_pcm_ops dma_ops = {
        .ioctl          = snd_pcm_lib_ioctl,
        .hw_params      = dma_hw_params,
        .hw_free        = dma_hw_free,
-       .prepare        = dma_prepare,
        .trigger        = dma_trigger,
        .pointer        = dma_pointer,
        .mmap           = dma_mmap,
--
1.7.7.3
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