diff options
| author | Liam Girdwood <lrg@ti.com> | 2011-07-24 20:59:47 +0100 |
|---|---|---|
| committer | Andy Green <andy.green@linaro.org> | 2011-08-25 07:38:07 +0100 |
| commit | 138ada857c64d9229e111b71eebda26ddf823a04 (patch) | |
| tree | 7753e87c670865cab045d0223b59e69a51616cc6 /sound | |
| parent | 56bcc8d079d6057d2db86a99ca2b46afc0db3de9 (diff) | |
Subject: [PATCH 085/104] 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>
Diffstat (limited to 'sound')
| -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 4e6fef29b51..28cc3a61b63 100644 --- a/sound/soc/omap/omap-pcm.c +++ b/sound/soc/omap/omap-pcm.c @@ -235,6 +235,11 @@ 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; |