ASoC: OMAP4 PCM - make sure self linked DMA is really stopped (fixme)
Make sure OMAP self linked DMA is really stopped.
FIXME: this needs a counter so we dont lock up.
Signed-off-by: Liam Girdwood <lrg@ti.com>
diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c
index 4e6fef2..28cc3a6 100644
--- a/sound/soc/omap/omap-pcm.c
+++ b/sound/soc/omap/omap-pcm.c
@@ -235,6 +235,11 @@
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;