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SubjectRe: [PATCH] Synaptics TouchPad driver for 2.5.70
On Fri, Jun 13, 2003 at 09:51:29PM +0100, James Simmons wrote:
>
> > > 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?

Definitely. Still it doesn't cover the multi-tap/gesture stuff.

--
Vojtech Pavlik
SuSE Labs, SuSE CR
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