Re: [PATCH] Synaptics TouchPad driver for 2.5.70

James Simmons
2003-06-13T20:37:45Z

> > Just as a idea for API. How about ABS_AREA or REL_AREA instead of
> > ABS_MISC. The idea is the pressure value returned should be about
> > the same if one presses hard with one finger or softly with a whole
> > hand.
>
> Huh? Force = Pressure x Area ... I think you're mixing up force and
> pressure here.

OOps. Your right. I'm thinking the hardware returns a force value. What I
meant is since we have the hardware returning the pressure and the area
this data can be used. Knowing the area over which a pressure is applied
is a good thing. What do you think?