Re: [alsa-devel] [RFC PATCH 0/5] ASoC: SOF: Intel: SoundWire initial integration

From: Guennadi Liakhovetski
Date: Thu Aug 22 2019 - 11:19:37 EST


Hi Pierre,

In patch 4/5 I forgot to mention superfluous braces around dev_err()
in sdw_config_stream() and sdw_free_stream(). Otherwise for the series:

Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@xxxxxxxxxxxxxxx>

Thanks
Guennadi

On Wed, Aug 21, 2019 at 03:17:15PM -0500, Pierre-Louis Bossart wrote:
> This RFC is the companion of the other RFC 'soundwire: intel: simplify
> DAI/PDI handlingâ'. Our purpose at this point is to gather feedback on
> the interfaces between the Intel SOF parts and the SoundWire code.
>
> The suggested solution is a simple init/release inserted at
> probe/remove and resume/suspend, as well as two callbacks for the SOF
> driver to generate IPC configurations with the firmware. That level of
> separation completely hides the details of the SoundWire DAIs and will
> allow for 'transparent' multi-cpu DAI support, which will be handled
> in the machine driver and the soundwire DAIs.
>
> This solution was tested on IceLake and CometLake, and captures the
> feedback from SOF contributors on an initial integration that was
> deemed too complicated (and rightly so).
>
> Pierre-Louis Bossart (5):
> ASoC: SOF: IPC: dai-intel: move ALH declarations in header file
> ASoC: SOF: Intel: hda: add helper to initialize SoundWire IP
> ASoC: SOF: Intel: hda: add SoundWire IP support
> ASoC: SOF: Intel: hda: add SoundWire stream config/free callbacks
> ASoC: SOF: Intel: add support for SoundWire suspend/resume
>
> include/sound/sof/dai-intel.h | 18 ++--
> sound/soc/sof/intel/hda-dsp.c | 11 +++
> sound/soc/sof/intel/hda.c | 157 ++++++++++++++++++++++++++++++++++
> sound/soc/sof/intel/hda.h | 11 +++
> 4 files changed, 188 insertions(+), 9 deletions(-)
>
>
> base-commit: 3b3aaa017e8072b1bfddda92be296b3463d870be
> --
> 2.20.1
>
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