op 16-05-14 15:29, Dan Squires schreef:
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?
Sounds like something you should ask to "X.Org Devel List" 
<[email protected]> and [email protected]
They might know more than me. :-)

~Maarten

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