Messages in this thread | | | Subject | Re: [PATCH v2 3/5] ASoC: core: add support to snd_soc_dai_get_sdw_stream() | From | Cezary Rojewski <> | Date | Tue, 13 Aug 2019 18:03:34 +0200 |
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On 2019-08-13 10:35, Srinivas Kandagatla wrote: > On platforms which have smart speaker amplifiers connected via > soundwire and modeled as aux devices in ASoC, in such usecases machine > driver should be able to get sdw master stream from dai so that it can > use the runtime stream to setup slave streams. > > soundwire already as a set function, get function would provide more > flexibility to above configurations. > > Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> > --- > include/sound/soc-dai.h | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h > index dc48fe081a20..1e01f4a302e0 100644 > --- a/include/sound/soc-dai.h > +++ b/include/sound/soc-dai.h > @@ -202,6 +202,7 @@ struct snd_soc_dai_ops { > > int (*set_sdw_stream)(struct snd_soc_dai *dai, > void *stream, int direction); > + void *(*get_sdw_stream)(struct snd_soc_dai *dai, int direction); > /* > * DAI digital mute - optional. > * Called by soc-core to minimise any pops. > @@ -410,4 +411,13 @@ static inline int snd_soc_dai_set_sdw_stream(struct snd_soc_dai *dai, > return -ENOTSUPP; > } > > +static inline void *snd_soc_dai_get_sdw_stream(struct snd_soc_dai *dai, > + int direction) > +{ > + if (dai->driver->ops->get_sdw_stream) > + return dai->driver->ops->get_sdw_stream(dai, direction); > + else > + return ERR_PTR(-ENOTSUPP); > +}
Drop redundant else.
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