On Thu, Aug 23, 2012 at 1:51 PM, Dylan Reid dgreid@chromium.org wrote:
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 dgreid@chromium.org
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