linux-kernel - Re: [PATCH v2 1/2] ASoC: mediatek: dt-bindings: modify machine bindings for two MICs case

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Message-ID: <89a32ecf-2d9e-c50d-4da1-eb24e8f26d2f@linaro.org>
Date:   Fri, 28 Oct 2022 15:45:47 -0400
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Ajye Huang <ajye_huang@...pal.corp-partner.google.com>
Cc:     linux-kernel@...r.kernel.org, Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-mediatek@...ts.infradead.org,
        "chunxu . li" <chunxu.li@...iatek.com>,
        Takashi Iwai <tiwai@...e.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Jiaxin Yu <jiaxin.yu@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Nícolas F . R . A . Prado 
        <nfraprado@...labora.com>, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, alsa-devel@...a-project.org
Subject: Re: [PATCH v2 1/2] ASoC: mediatek: dt-bindings: modify machine
 bindings for two MICs case

On 28/10/2022 14:26, Ajye Huang wrote:
> On Sat, Oct 29, 2022 at 1:58 AM Krzysztof Kozlowski
> <krzysztof.kozlowski@...aro.org> wrote:
> 
> 
>>>
>>> +  dmic-gpios:
>>> +    maxItems: 1
>>> +    description: GPIO for switching between DMICs
>>
>> Switching how? Enabling? What is the meaning of each GPIO pin value?
>>
> I think I should add more like an example,
>   description: dmic-gpios optional prop for switching between two DMICs.
>                     Ex, the GPIO can control a MUX HW component to
>                     select dmic clk and data form a Front or Rear dmic.
> 
> Do you agree with that or have other suggestions? If do, I will send
> the v3 patch for you to check, thanks

Sounds better.

Best regards,
Krzysztof