Reconfigure DMA transfer parameters to resume audio after system comming out of OFF state.
Signed-off-by: Jane Wang <jwang@xxxxxx>
---
sound/soc/omap/omap-pcm.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c
index 6a829ee..5e04390 100644
--- a/sound/soc/omap/omap-pcm.c
+++ b/sound/soc/omap/omap-pcm.c
@@ -215,8 +215,13 @@ static int omap_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
spin_lock_irqsave(&prtd->lock, flags);
switch (cmd) {
- case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
+ /* Reconfigure DMA transfer parameters
+ * in order to come back from OFF mode
+ */
+ omap_pcm_prepare(substream);
+ /* fall through */
+ case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
prtd->period_index = 0;
/* Configure McBSP internal buffer usage */
--
1.5.4.3
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