linux-kernel - Re: [alsa-devel] [PATCH] soundwire: intel: report slave

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Date:   Tue, 14 Jan 2020 10:05:35 -0600
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     Vinod Koul <vkoul@...nel.org>
Cc:     alsa-devel@...a-project.org, tiwai@...e.de,
        gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        broonie@...nel.org, srinivas.kandagatla@...aro.org,
        jank@...ence.com, slawomir.blauciak@...el.com,
        Sanyog Kale <sanyog.r.kale@...el.com>,
        Bard liao <yung-chuan.liao@...ux.intel.com>,
        Rander Wang <rander.wang@...ux.intel.com>
Subject: Re: [alsa-devel] [PATCH] soundwire: intel: report slave_ids for each
 link to SOF driver



On 1/14/20 12:26 AM, Vinod Koul wrote:
> On 10-01-20, 16:31, Pierre-Louis Bossart wrote:
>>
>>
>> On 1/10/20 4:00 PM, Pierre-Louis Bossart wrote:
>>> From: Bard Liao <yung-chuan.liao@...ux.intel.com>
>>>
>>> The existing link_mask flag is no longer sufficient to detect the
>>> hardware and identify which topology file and a machine driver to load.
>>>
>>> By reporting the slave_ids exposed in ACPI tables, the parent SOF
>>> driver will be able to compare against a set of static configurations.
>>>
>>> This patch only adds the interface change, the functionality is added
>>> in future patches.
>>
>> Vinod, this patch would need to be shared as an immutable tag for Mark, once
>> this is done I can share the SOF parts that make use of the information (cf.
>> https://github.com/thesofproject/linux/pull/1692 for reference)
>>
>> Sorry we missed this in the earlier interface changes, we didn't think we
>> would have so many hardware variations so quickly.
> 
> do you want the tag now..? I can provide... We are already in -rc6
> and i will send PR to greg later this week...

yes please, I'd like to send the SOF patches this week as well.