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| author | Mark Brown <broonie@linaro.org> | 2013-11-08 11:43:32 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-11-08 11:43:32 +0100 |
| commit | 5ac452772f41b266a5959c5a7eac756ed8f5fdad (patch) | |
| tree | 4deb5133ecbf92595f54b594f556046efaa84b9c /include | |
| parent | Merge remote-tracking branch 'asoc/topic/ml26124' into asoc-next (diff) | |
| parent | ASoC: mxs-saif: Handle errors in trigger function (diff) | |
| download | linux-5ac452772f41b266a5959c5a7eac756ed8f5fdad.tar.xz linux-5ac452772f41b266a5959c5a7eac756ed8f5fdad.zip | |
Merge remote-tracking branch 'asoc/topic/mxs' into asoc-next
Diffstat (limited to 'include')
| -rw-r--r-- | include/sound/soc-dai.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h index b0ee6590b8ba..800c101bb096 100644 --- a/include/sound/soc-dai.h +++ b/include/sound/soc-dai.h @@ -169,6 +169,13 @@ struct snd_soc_dai_ops { struct snd_soc_dai *); int (*prepare)(struct snd_pcm_substream *, struct snd_soc_dai *); + /* + * NOTE: Commands passed to the trigger function are not necessarily + * compatible with the current state of the dai. For example this + * sequence of commands is possible: START STOP STOP. + * So do not unconditionally use refcounting functions in the trigger + * function, e.g. clk_enable/disable. + */ int (*trigger)(struct snd_pcm_substream *, int, struct snd_soc_dai *); int (*bespoke_trigger)(struct snd_pcm_substream *, int, |