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| author |   Mark Brown <broonie@linaro.org> | 2013-10-24 11:24:09 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-10-24 11:24:09 +0100 |
| commit | 10abe843d5f08793fb684eaef3739f3c26635e42 (patch) | |
| tree | 1d1eec1a55f780f3170a3f04515d4629934766d8 /include/sound | |
| parent | Merge remote-tracking branch 'asoc/topic/mc13783' into asoc-next (diff) | |
| parent | ASoC: mxs-saif: Handle errors in trigger function (diff) | |
| download | linux-dev-10abe843d5f08793fb684eaef3739f3c26635e42.tar.xz linux-dev-10abe843d5f08793fb684eaef3739f3c26635e42.zip | |
Merge remote-tracking branch 'asoc/topic/mxs' into asoc-next
Diffstat (limited to 'include/sound')
| -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, |