diff options
| author | Hari Nagalla <hnagalla@ti.com> | 2010-02-03 13:58:03 -0600 |
|---|---|---|
| committer | Ricardo Perez Olivares <x0081762@ti.com> | 2010-02-03 14:23:56 -0600 |
| commit | 304f42b049147458056c76e644d0a027973ada7b (patch) | |
| tree | c7c5de2b0423a3220d3266b0078cc179da53a69f | |
| parent | 953da5265ab9be874e7a7d74e67d21f91b315c89 (diff) | |
OMAP4-AUDIO: Fix Audio DMA transaction Errorti-2.6.31-omap4-L24.3-p3
Ensure that the DMA channel is stopped for self linked audio DMA channel.
Signed-off-by: Hari Nagalla <hnagalla@ti.com>
| -rw-r--r-- | sound/soc/omap/omap-pcm.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c index f0b4c1a8bcc4..97a62ef4594b 100644 --- a/sound/soc/omap/omap-pcm.c +++ b/sound/soc/omap/omap-pcm.c @@ -205,6 +205,11 @@ static int omap_pcm_trigger(struct snd_pcm_substream *substream, int cmd) case SNDRV_PCM_TRIGGER_PAUSE_PUSH: prtd->period_index = -1; omap_stop_dma(prtd->dma_ch); + /* Since we are using self linking, there is a + chance that the DMA as re-enabled the channel + just after disabling it */ + while (omap_get_dma_active_status(prtd->dma_ch)) + omap_stop_dma(prtd->dma_ch); break; default: ret = -EINVAL; |