linux-kernel - Re: [PATCH v2] arm64: dts: qcom: sdm845-shift-axolotl: fix touchscreen properties

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Message-ID: <acf7b931-eb67-49fc-b9ec-abd56e636263@oss.qualcomm.com>
Date: Wed, 22 Oct 2025 16:50:25 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: foss@...lselvaraj.com, Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] arm64: dts: qcom: sdm845-shift-axolotl: fix
 touchscreen properties

On 10/21/25 8:20 AM, Joel Selvaraj via B4 Relay wrote:
> From: Joel Selvaraj <foss@...lselvaraj.com>
> 
> The touchscreen properties previously upstreamed was based on downstream
> touchscreen driver. We ended up adapting upstream edt_ft5x06 driver to
> support the touchscreen controller used in this device. Update the
> touchscreen properties to match with the upstream edt_ft5x06
> driver.
> 
> Also, the touchscreen controller used in this device is ft5452 and not
> fts8719. Fix the compatible string accordingly.
> 
> The wakeup-source property was removed as it prevents the touchscreen's
> regulators and irq from being disabled when the device is suspended and
> could lead to unexpected battery drain. Once low power mode and
> tap-to-wake functionality is properly implemented and tested to be
> working, we can add it back, if needed.
> 
> Signed-off-by: Joel Selvaraj <foss@...lselvaraj.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>

Konrad