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| author | Liam Girdwood <lrg@slimlogic.co.uk> | 2011-02-03 18:17:34 +0000 |
|---|---|---|
| committer | Simon Wilson <simonwilson@google.com> | 2011-04-16 14:56:12 -0700 |
| commit | 8569a0f424bc92d99491d9336ef775f94144db4a (patch) | |
| tree | b6e2b6937d3f1925b6f6ef322c8da84ce463faf6 | |
| parent | 0fda76bf98957fbba75dd7841b7e145ab8c6e257 (diff) | |
| download | experimental-8569a0f424bc92d99491d9336ef775f94144db4a.tar.gz | |
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@slimlogic.co.uk>
| -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 d4297919223..551b7f5b437 100644 --- a/sound/soc/omap/omap-pcm.c +++ b/sound/soc/omap/omap-pcm.c @@ -234,6 +234,11 @@ 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; |