Re: [PATCH v3 0/4] input: ft5x06: Fix userspace reported maximum value

From: Maxime Ripard
Date: Tue Mar 24 2015 - 12:15:51 EST


Hi Lothar, Dmitry,

On Tue, Mar 03, 2015 at 02:50:42PM +0100, Maxime Ripard wrote:
> Hi,
>
> The current ft5x06 reports to the user-space that its maximum
> coordinates are, on both X and Y, way higher than what could be
> actually usable on the screen (in my case, 5759x1151 instead of
> 480x800).
>
> This causes trouble on some userspace stacks that then try to re-scale
> these coordinates back to the framebuffer resolution, like QT does.
>
> Use the of_touchscreen code to find the real touchscreen limits in the
> DT case, and report that to the userspace.

Do you have any comments on that?

Thanks,
Maxime

--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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