Reconfigure DMA transfer parameters to resume audio after system comming out of OFF state.
Signed-off-by: Jane Wang jwang@ti.com --- 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 */