linux-kernel - Re: [PATCH v2] arm64: dts: qcom: sc7280: Use "PP1800

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Date:   Mon, 22 Aug 2022 14:31:37 +0800
From:   Judy Hsiao <judyhsiao@...omium.org>
To:     Doug Anderson <dianders@...omium.org>
Cc:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Srini Kandagatla <srinivas.kandagatla@...aro.org>,
        Matthias Kaehlcke <mka@...omium.org>,
        Jimmy Cheng-Yi Chiang <cychiang@...gle.com>,
        Judy Hsiao <judyhsiao@...gle.com>,
        Stephen Boyd <swboyd@...omium.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
        Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
Subject: Re: [PATCH v2] arm64: dts: qcom: sc7280: Use "PP1800_L2C" as the DMIC
 power source.

Hi,
> In v1, Stephen pointed out that the subject and description of your
> patch talk about adjusting the supply. However, your patch _also_
> adjusts the audio routing.
Thanks for your comment.
The audio routing part change is to use the vdd-micb-supply regulator setting.
And the vdd-micb-supply set the MIC power source as PP1800_L2C.
 +                       "VA DMIC0", "vdd-micb",
 +                       "VA DMIC1", "vdd-micb",
 +                       "VA DMIC2", "vdd-micb",
 +                       "VA DMIC3", "vdd-micb",
Let me update the commit message again to make it more clear.
Thanks!

> It feels like the audio routing should be done in a separate patch and
> that patch.
>
> -Doug