Messages in this thread | | | Date | Sun, 21 Sep 2003 21:34:00 +0200 | From | Vojtech Pavlik <> | Subject | Re: Broken synaptics mouse.. |
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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 - 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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