Messages in this thread | | | Date | Fri, 13 Jun 2003 22:38:46 +0200 | From | Vojtech Pavlik <> | Subject | Re: [PATCH] Synaptics TouchPad driver for 2.5.70 |
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On Fri, Jun 13, 2003 at 09:25:09PM +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.
> So to tell the difference between the two we can report the > pressure and the area over which it acted. Say in virtual reality > environment simulation poking a object hard with your finger would > have a very different effect than placing your hand lightly on the > object even tho they might register about the same pressure.
-- Vojtech Pavlik SuSE Labs, SuSE CR - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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