Hi there,

In our application we have the misfortune of having to use a capacitive kiosk touch-screen that seems to have a horrendous problem with electrical noise pickup, to the point where the cursor moves across the screen rapidly (oscillates) by upto hundreds of pixels.

Since Ubuntu 11.04 we have been applying a hack to the evdev code to reduce this noise to bearable levels by doing some fairly aggressive filtering. I'm assuming the supplied windows driver must do something similar as I am told there is little if any noise apparent when plugged into such a PC.

I am hoping to get a better solution integrated into future distributions but do not know where best to apply such a patch that would be acceptable.

hopefully somebody can make some suggestions?

Many Thanks

--
Dan Squires

Engineered Arts Ltd.


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