[PATCH 0/3] SoundWire: ASoC interfaces for multi-cpu dais and DisCo helpers

Vinod Koul vkoul at kernel.org
Wed Feb 26 09:36:44 CET 2020


On 25-02-20, 11:00, Pierre-Louis Bossart wrote:
> The first two patches prepare the support of multi-cpu dais for
> synchronized playback and capture. We remove an unused set of

Can you explain how this set does that..?

> prototypes and add a get_sdw_stream() callback prototype currently

Right, how does something which is unused and getting removed help in
supporting multi-cpu dais?

> missing (the implementation will come later as part of the
> synchronized playback)

I guess Mark can comment on this but we really want to see users of APIs
as well.

> The last exposes macros used internally, so that they can be reused to
> extract information from the _ADR 64-bit values in SOF platform
> drivers and related machine drivers.

On it is own, i think 1st and last patch look fine to me, so I guess I
will go ahead and apply them. I can understand that last one can be used
by SOF driver so can be pulled by Mark, will put on topic branch..

> I think it's simpler if all these simple patches are merged through
> the SoundWire tree. With the additional changes to remove the platform
> drivers and the merge of interrupt handling, that will result in a
> single immutable tag provided to Mark Brown.
> 
> Pierre-Louis Bossart (3):
>   soundwire: cadence: remove useless prototypes
>   ASoC: soc-dai: add get_sdw_stream() callback
>   soundwire: add helper macros for devID fields
> 
>  drivers/soundwire/bus.c            | 21 +++++----------------
>  drivers/soundwire/cadence_master.h |  8 --------
>  include/linux/soundwire/sdw.h      | 23 +++++++++++++++++++++++
>  include/sound/soc-dai.h            | 21 +++++++++++++++++++++
>  4 files changed, 49 insertions(+), 24 deletions(-)
> 
> -- 
> 2.20.1

-- 
~Vinod


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