linux-kernel - Re: [PATCH v3 5/6] ASoC: dt-bindings: mediatek,mt7986-wm8960: add mt7986-wm8960 document

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Date:   Mon, 31 Jul 2023 16:56:39 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Maso Huang (黃加竹) 
        <Maso.Huang@...iatek.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "chenxiangrui@...qin.corp-partner.google.com" 
        <chenxiangrui@...qin.corp-partner.google.com>,
        Trevor Wu (吳文良) <Trevor.Wu@...iatek.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        "broonie@...nel.org" <broonie@...nel.org>,
        Allen-KH Cheng (程冠勲) 
        <Allen-KH.Cheng@...iatek.com>,
        "conor+dt@...nel.org" <conor+dt@...nel.org>,
        "tiwai@...e.com" <tiwai@...e.com>,
        "lgirdwood@...il.com" <lgirdwood@...il.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
        "perex@...ex.cz" <perex@...ex.cz>, "arnd@...db.de" <arnd@...db.de>,
        "angelogioacchino.delregno@...labora.com" 
        <angelogioacchino.delregno@...labora.com>,
        "alsa-devel@...a-project.org" <alsa-devel@...a-project.org>
Subject: Re: [PATCH v3 5/6] ASoC: dt-bindings: mediatek,mt7986-wm8960: add
 mt7986-wm8960 document

On 31/07/2023 10:14, Krzysztof Kozlowski wrote:
>>>> +  mediatek,audio-codec:
>>>> +    $ref: /schemas/types.yaml#/definitions/phandle
>>>> +    description: The phandle of wm8960 codec.
>>>> +
>>>
>>> How did you implement Rob's comment? Or did you just ignore it?
>>>
>>> Best regards,
>>> Krzysztof
>>>
>>
>> Hi Krzysztof,
>>
>> Sorry, I did not mean to ignore Rob's comment.
>> I waited for some suggestion in mail below, but it seems Rob was a
>> little busy.
>>
>> https://lore.kernel.org/lkml/8c6316e79e40406e4d46709f602dcb14a4c00562.camel@mediatek.com/
>>
>> After gentle ping last week and receiving your advice, I thought that
>> means to send the v3 patch and might discuss dtbingding in v3 series.
>>
>> So sorry for misunderstanding it, I'll check the details with Rob in v3
>> series then refine it in v4.
> 
> The problem is that you did not reference in this patch any ongoing
> discussion and further questions, so comment looks like addressed, while
> it was not.
> 
> Rob said:
> "in a common schema and reference them "
> You said:
> "common part yaml and reference to it"
> so I think you both agreed on the same.
> 
> The advice would be to create common binding which is then referenced by
> other and your bindings. However if you start doing it, you will notice
> that it is impossible, because you have conflicting types for
> "audio-codec", so you cannot have one definition.
> 
> This leads to the point - property is probably wrong and you need
> dai-link with sound-dai property, just like most cards are doing.

BTW, might be useful for you, just sent:
https://lore.kernel.org/linux-devicetree/20230731094303.185067-1-krzysztof.kozlowski@linaro.org/T/#t

Anyway you need dai-links, I think.

Best regards,
Krzysztof