linux-kernel - Re: [alsa-devel] [PATCH v5 00/11] soundwire: update ASoC interfaces

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Date:   Thu, 12 Dec 2019 08:37:56 -0600
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     Vinod Koul <vkoul@...nel.org>
Cc:     alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        tiwai@...e.de, broonie@...nel.org, gregkh@...uxfoundation.org,
        jank@...ence.com, srinivas.kandagatla@...aro.org,
        slawomir.blauciak@...el.com,
        Bard liao <yung-chuan.liao@...ux.intel.com>,
        Rander Wang <rander.wang@...ux.intel.com>,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>
Subject: Re: [alsa-devel] [PATCH v5 00/11] soundwire: update ASoC interfaces

On 12/11/19 9:49 PM, Vinod Koul wrote:
> On 11-12-19, 19:44, Pierre-Louis Bossart wrote:
>> We need new fields in existing structures to
>> a) deal with race conditions on codec probe/enumeration
>> b) allow for multi-step ACPI scan/probe/startup on Intel plaforms
>> c) deal with MSI issues using a single handler/threads for all audio
>> interrupts
>> d) deal with access to registers shared across multiple links on Intel
>> platforms
>>
>> These structures for a) will be used by the SOF driver as well as
>> codec drivers. The b) c) and d) cases are only for the Intel-specific
>> implementation.
>>
>> To avoid conflicts between ASoC and Soundwire trees, these 11 patches
>> are provided out-of-order, before the functionality enabled in these
>> header files is added in follow-up patch series which can be applied
>> separately in the ASoC and Soundwire trees. As discussed earlier,
>> Vinod would need to provide an immutable tag for Mark Brown, and the
>> integration on the ASoC side of SOF changes and new codecs drivers can
>> proceed in parallel with SoundWire core changes.
>>
>> I had multiple offline discussions with Vinod/Mark/Takashi on how to
>> proceed withe volume of SoundWire changes. Now that v5.5-rc1 is out we
>> should go ahead with these interface changes.
>>
>> The next patchset "[PATCH v3 00/15] soundwire: intel: implement new
>> ASoC interfaces" can still be reviewed but will not apply as is due to
>> a one-line conflict. An update will be provided when Vinod applies
>> this series to avoid noise on mailing lists.
>>
>> An update for the series "[PATCH v3 00/22] soundwire: code hardening
>> and suspend-resume support" is ready but will be provided when both
>> the interfaces changes and the implementation changes are merged.
> 
> Applied, thanks
> 
> I will send the tag tomorrow after it is in next

Thanks Vinod, I will repost the following series tonight.