[RFC PATCH v3 4/5] arm64: dts: mediatek: mt8173-elm-hana: Mark touchscreens and trackpads as fail

Chen-Yu Tsai wenst at chromium.org
Sun Dec 3 22:59:29 PST 2023


On Sat, Dec 2, 2023 at 8:58 AM Doug Anderson <dianders at chromium.org> wrote:
>
> Hi,
>
> On Tue, Nov 28, 2023 at 12:45 AM Chen-Yu Tsai <wenst at chromium.org> wrote:
> >
> > @@ -44,6 +46,7 @@ trackpad2: trackpad at 2c {
> >                 reg = <0x2c>;
> >                 hid-descr-addr = <0x0020>;
> >                 wakeup-source;
> > +               status = "fail-needs-probe";
>
> While doing this, you could also remove the hack where the trackpad
> IRQ pinctrl is listed under i2c4.

Sure. I do think we can do away with it though. According to at least one
schematic, the interrupt line has pull-ups on both sides of the voltage
shifter.

BTW, The touchscreen doesn't have pinctrl entries. This has pull-ups on
both sides of the voltage shifter as well.

ChenYu



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