Re: [PATCH] Input: zinitix - Don't fail if linux,keycodes prop is absent

[Linus Walleij <linus.walleij@linaro.org>]

On Wed, Oct 2, 2024 at 4:48 PM Nikita Travkin <nikita@trvn.ru> wrote:

> > BTW: Nikita have you noticed and weird offsets in your Zinitix
> > touchscreens? Mine seem to be off and I need to put my
> > fingers a bit below the actual target on the screen, consistently.
> > I was thinking maybe calibration support is necessary.
>
> I for sure noticed this in the context of touchkeys: On the device I
> have, if you don't enable the touchkeys, the controller assigns
> the lines connected to them to the touch grid, which offsets
> the real touchscreen by two lines. Effectively this means that
> touch surface is stretched a bit below the screen, and i.e. touching
> at the very bottom will produce a touch event a bit above
> the actual touch point. Enabling touchkeys reassigns those lines
> and then the display is working correctly.
>
> This was the prime reason why I've even made the tkey series in
> the first place :D

It's embarrassing that I was so focused on just testing the touchkey
support to not notice that it actually fixes this issue for me too :D

Excellent, two problems solved.

Yours,
Linus Walleij