linux-kernel - Re: [PATCH] arm64: dts: qcom: sc7280: Enable keyboard backlight for villager

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Message-ID: <CAD=FV=X4GBLoTuOcHetAFXWLQKFF0yn=E5yv0ExTg8Mwrw1iUw@mail.gmail.com>
Date:   Fri, 20 May 2022 12:57:50 -0700
From:   Doug Anderson <dianders@...omium.org>
To:     Matthias Kaehlcke <mka@...omium.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCH] arm64: dts: qcom: sc7280: Enable keyboard backlight for villager

Hi,

On Fri, May 20, 2022 at 12:48 PM Matthias Kaehlcke <mka@...omium.org> wrote:
>
> Villager has a backlit keyboard, enable support for the backlight.
>
> Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
> ---
>
>  arch/arm64/boot/dts/qcom/sc7280-herobrine-villager-r0.dts | 8 ++++++++
>  arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi            | 2 +-
>  2 files changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sc7280-herobrine-villager-r0.dts b/arch/arm64/boot/dts/qcom/sc7280-herobrine-villager-r0.dts
> index d3d6ffad4eff..b6a6a1454883 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280-herobrine-villager-r0.dts
> +++ b/arch/arm64/boot/dts/qcom/sc7280-herobrine-villager-r0.dts
> @@ -58,6 +58,10 @@ &ap_sar_sensor1 {
>         status = "okay";
>  };
>
> +&keyboard_backlight {
> +       status = "okay";
> +};

Instead of doing this, can you just get rid of the status = "disabled"
in herobrine.dtsi? I don't think there's any benefit to having two
levels of "disabled" in the herobrine device tree.