On Tue, May 02, 2023 at 02:31:14PM -0400, Gabriel Tremblay via B4 Relay wrote:
> From: Gabriel Tremblay <tremblay.gabriel@xxxxxxxxx>
>
>
>
> ---
> Lenovo's x13s internal keyboard shows responsivity issues when fast
> typing occurs. The problem is not replicated with external HID keyboard.
>
> This fix tries to alleviate the problem but requires further testing
> and commenting.
>
This is interesting, can you tell us a little bit more about why/how
this improves the situation? Perhaps that could help someone with
schematics to look into this further as well.
Regards,
Bjorn
> Signed-off-by: Gabriel Tremblay <tremblay.gabriel@xxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
> index bdcba719fc38..e8d7f02c9bf3 100644
> --- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
> +++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
> @@ -639,7 +639,7 @@ keyboard@68 {
> reg = <0x68>;
>
> hid-descr-addr = <0x1>;
> - interrupts-extended = <&tlmm 104 IRQ_TYPE_LEVEL_LOW>;
> + interrupts-extended = <&tlmm 104 IRQ_TYPE_EDGE_FALLING>;
> vdd-supply = <&vreg_misc_3p3>;
> vddl-supply = <&vreg_s10b>;
>
>
> ---
> base-commit: 84e2893b4573da3bc0c9f24e2005442e420e3831
> change-id: 20230502-gtremblay-x13s-keyboard-289935f922e2
>
> Best regards,
> --
> Gabriel Tremblay <tremblay.gabriel@xxxxxxxxx>
>
