Re: Broken synaptics mouse..

[Vojtech Pavlik]

On Sun, Sep 21, 2003 at 09:29:10PM +0200, Peter Osterlund wrote:

> OK, below is a new patch that splits the W value as has been suggested
> before. The synaptics driver now reports BTN_TOOL_FINGER,
> BTN_TOOL_DOUBLETAP and BTN_TOOL_TRIPLETAP for one, two and three
> fingers respectively, and it reports ABS_TOOL_WIDTH for the finger
> width value. These event types are also used by mousedev.c to decide
> if it is dealing with a touchpad.
>
> It should also gets the direction of the Y axis right.

At first glance, patch looks OK.

> One thing that it doesn't get right is the handling of invalid ABS_*
> values. How is this supposed to be handled? The driver doesn't know
> the exact limits for the X/Y values, and discarding values outside
> some guessed limits will only have the effect that some parts of the
> touchpad area becomes dead.

I think something like 'if the finger is lifted so much above surface
that X and Y are unreliable, don't report X and Y'. Is that doable?

-- 
Vojtech Pavlik
SuSE Labs, SuSE CR
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