[PATCH v4 11/11] arm64: dts: qcom: sc7180: Link trogdor touchscreens to the panels

[Doug Anderson]

Hi,

On Thu, Jul 27, 2023 at 10:19 AM Douglas Anderson <dianders at chromium.org> wrote:
>
> Let's provide the proper link from the touchscreen to the panel on
> trogdor devices where the touchscreen support it. This allows the OS
> to power sequence the touchscreen more properly.
>
> For the most part, this is just expected to marginally improve power
> consumption while the screen is off. However, in at least one trogdor
> model (wormdingler) it's suspected that this will fix some behavorial
> corner cases when the panel power cycles (like for a modeset) without
> the touchscreen power cycling.
>
> NOTE: some trogdor variants use touchscreens that don't (yet) support
> linking the touchscreen and the panel. Those variants are left alone.
>
> Reviewed-by: Maxime Ripard <mripard at kernel.org>
> Signed-off-by: Douglas Anderson <dianders at chromium.org>
> ---
>
> (no changes since v1)
>
>  arch/arm64/boot/dts/qcom/sc7180-trogdor-coachz.dtsi        | 1 +
>  arch/arm64/boot/dts/qcom/sc7180-trogdor-homestar.dtsi      | 1 +
>  arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor.dtsi         | 1 +
>  arch/arm64/boot/dts/qcom/sc7180-trogdor-pompom.dtsi        | 1 +
>  arch/arm64/boot/dts/qcom/sc7180-trogdor-quackingstick.dtsi | 1 +
>  arch/arm64/boot/dts/qcom/sc7180-trogdor-wormdingler.dtsi   | 1 +
>  6 files changed, 6 insertions(+)

FWIW, this old patch could land any time. All the earlier patches in
the series have landed.

-Doug