linux-kernel - Re: [PATCH 1/7] arm64: dts: qcom: sc8280xp-crd: disable touchscreen pull-up

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Message-ID: <20220806165454.GN14384@thinkpad>
Date:   Sat, 6 Aug 2022 22:24:54 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     Johan Hovold <johan+linaro@...nel.org>
Cc:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/7] arm64: dts: qcom: sc8280xp-crd: disable touchscreen
 pull-up

On Fri, Aug 05, 2022 at 11:23:11AM +0200, Johan Hovold wrote:
> The touchscreen interrupt line has an external pull-up so disable the
> internal one as is done for the keyboard and touchpad.
> 
> Signed-off-by: Johan Hovold <johan+linaro@...nel.org>

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

Thanks,
Mani

> ---
>  arch/arm64/boot/dts/qcom/sc8280xp-crd.dts | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
> index 6792e88b2c6c..47192e9cf7a4 100644
> --- a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
> +++ b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
> @@ -405,7 +405,7 @@ ts0_default: ts0-default-state {
>  		int-n {
>  			pins = "gpio175";
>  			function = "gpio";
> -			bias-pull-up;
> +			bias-disable;
>  		};
>  
>  		reset-n {
> -- 
> 2.35.1
> 

-- 
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