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

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Date:   Thu, 22 Aug 2019 17:19:29 +0200
From:   Guennadi Liakhovetski <guennadi.liakhovetski@...ux.intel.com>
To:     Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Cc:     alsa-devel@...a-project.org, tiwai@...e.de,
        gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        vkoul@...nel.org, broonie@...nel.org,
        srinivas.kandagatla@...aro.org, jank@...ence.com,
        slawomir.blauciak@...el.com,
        Bard liao <yung-chuan.liao@...ux.intel.com>,
        Rander Wang <rander.wang@...ux.intel.com>
Subject: Re: [alsa-devel] [RFC PATCH 0/5] ASoC: SOF: Intel: SoundWire initial
 integration

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@...ux.intel.com>

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 handling'. 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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> Alsa-devel@...a-project.org
> https://mailman.alsa-project.org/mailman/listinfo/alsa-devel

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