diff options
| author | Nikesh Oswal <noswal@nvidia.com> | 2012-05-08 16:47:40 +0530 |
|---|---|---|
| committer | Simone Willett <swillett@nvidia.com> | 2012-05-08 11:59:52 -0700 |
| commit | b676926984f3f0fb53d29b01daf9eeb0f7012128 (patch) | |
| tree | 1ff1e841e0bbd6ea19840ef41cdf63bee889e31a /sound/soc/tegra/tegra_pcm.c | |
| parent | 2b9e2850f6a2f500ccbfa0f1df92b8becb91efda (diff) | |
asoc: tegra: pcm: If there is no dma information exit from trigger
If there is no dma information exit from trigger, this is required
for the dummy voice call playback and capture streams
Change-Id: I5276e7ebb72c17268a9785204fea9f395b2e5d3a
Signed-off-by: Nikesh Oswal <noswal@nvidia.com>
Reviewed-on: http://git-master/r/101235
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Scott Peterson <speterson@nvidia.com>
Diffstat (limited to 'sound/soc/tegra/tegra_pcm.c')
| -rw-r--r-- | sound/soc/tegra/tegra_pcm.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/soc/tegra/tegra_pcm.c b/sound/soc/tegra/tegra_pcm.c index 3b475a24c9a8..6ba3c9fa4461 100644 --- a/sound/soc/tegra/tegra_pcm.c +++ b/sound/soc/tegra/tegra_pcm.c @@ -257,9 +257,15 @@ int tegra_pcm_trigger(struct snd_pcm_substream *substream, int cmd) { struct snd_pcm_runtime *runtime = substream->runtime; struct tegra_runtime_data *prtd = runtime->private_data; + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct tegra_pcm_dma_params * dmap; unsigned long flags; int i; + dmap = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); + if (!dmap) + return 0; + switch (cmd) { case SNDRV_PCM_TRIGGER_START: prtd->dma_pos = 0; |