Re: [alsa-devel] [PATCH 2/2] ASoC: OMAP: reconfigure DMA to resume audio

On Thu, Nov 12, 2009 at 02:15:18PM -0600, Jane Wang wrote:

Reconfigure DMA transfer parameters to resume audio after system comming out of OFF state.

Signed-off-by: Jane Wang jwang@ti.com

This looks OK to me but I'd like an ack from the OMAP folks. Adding Jarkko as well as he's the maintainer for OMAP audio.

---

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