linux-kernel - Re: [PATCH 1/2] ARM: dts: qcom: msm8974-castor: Fix touchscreen init

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Date:   Tue, 22 Nov 2022 13:09:07 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Luca Weiss <luca@...tu.xyz>, linux-arm-msm@...r.kernel.org
Cc:     ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] ARM: dts: qcom: msm8974-castor: Fix touchscreen init



On 21.11.2022 22:30, Luca Weiss wrote:
> On some devices a higher delay is needed, otherwise touchscreen probe
> fails.
> 
> Signed-off-by: Luca Weiss <luca@...tu.xyz>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad
> Two simple patches that have been sitting around in msm8974-mainline
> tree for a while.
> 
>  .../arm/boot/dts/qcom-msm8974pro-sony-xperia-shinano-castor.dts | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/qcom-msm8974pro-sony-xperia-shinano-castor.dts b/arch/arm/boot/dts/qcom-msm8974pro-sony-xperia-shinano-castor.dts
> index 36044130a739..2725bd343f3a 100644
> --- a/arch/arm/boot/dts/qcom-msm8974pro-sony-xperia-shinano-castor.dts
> +++ b/arch/arm/boot/dts/qcom-msm8974pro-sony-xperia-shinano-castor.dts
> @@ -122,7 +122,7 @@ synaptics@2c {
>  		pinctrl-names = "default";
>  		pinctrl-0 = <&ts_int_pin>;
>  
> -		syna,startup-delay-ms = <10>;
> +		syna,startup-delay-ms = <100>;
>  
>  		rmi-f01@1 {
>  			reg = <0x1>;