Re: [RFC PATCH 1/6] ASoC: core: add support to snd_soc_dai_get_sdw_stream()

[Srinivas Kandagatla]

On 10/06/2019 05:34, Vinod Koul wrote:
> On 07-06-19, 09:56, 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@xxxxxxxxxx>
> > ---
> >   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 f5d70041108f..9f90b936fd9a 100644
> > --- a/include/sound/soc-dai.h
> > +++ b/include/sound/soc-dai.h
> > @@ -177,6 +177,7 @@ 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);
>
> So who would be calling this API? Machine or someone else?

From Machine driver in my case where smart speaker amplifiers are 
modeled as aux device which is also dai less.

--srini
>