Re: ads7846 touchscreen: fix pressure

Trilok Soni
2009-10-08T05:10:19Z

Hi Pavel,

On Wed, Oct 7, 2009 at 1:24 AM, Pavel Machek <pavel@ucw.cz> wrote:
>
> On Zaurus, pressure is reported inverted -- the lighter the pressure,
> the bigger numerical value. This should fix it.
>
> Signed-off-by: Pavel Machek <pavel@ucw.cz>
>
> --- linux-rc/drivers/input.ofic/touchscreen/ads7846.c   2009-10-06 13:49:56.000000000 +0200
> +++ linux-rc/drivers/input/touchscreen/ads7846.c        2009-10-06 21:18:25.000000000 +0200
> @@ -608,12 +609,12 @@
>
>                input_report_abs(input, ABS_X, x);
>                input_report_abs(input, ABS_Y, y);
> -               input_report_abs(input, ABS_PRESSURE, Rt);
> +               input_report_abs(input, ABS_PRESSURE, ts->pressure_max-Rt);

but same behavior is seen by others using this chip on different
boards? If not, this has to be done through platform data.

--
---Trilok Soni