Re: [PATCH v2 2/2] arm64: dts: qcom: sdm845-oneplus: Update compatible to include model

[Dmitry Torokhov <dmitry.torokhov@gmail.com>]

Hi David,

On Sat, May 23, 2026 at 11:45:35AM +0200, David Heidelberg via B4 Relay wrote:
> From: David Heidelberg <david@ixit.cz>
> 
> We know the driver is reporting s3706b, introduce the compatible so we
> can more easily introduce quirks for weird touchscreen replacements in
> followup series.
> 
> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
> Signed-off-by: David Heidelberg <david@ixit.cz>
> ---
>  arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
> index 6b7378cf4d493..148164d456a5a 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
> @@ -475,17 +475,17 @@ bq27441_fg: bq27441-battery@55 {
>  	};
>  };
>  
>  &i2c12 {
>  	status = "okay";
>  	clock-frequency = <400000>;
>  
>  	synaptics-rmi4-i2c@20 {
> -		compatible = "syna,rmi4-i2c";
> +		compatible = "syna,rmi4-s3706b", "syna,rmi4-i2c";

So I believe we established that this device (s3706b) does not in fact
implement rmi4 protocol properly. Why do we have "syna,rmi4-i2c" as a
fallback? Shouldn't it be just "syna,rmi4-s3706b"?

Thanks.

-- 
Dmitry