Modifying touch screen drivers

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http://forum.xda-developers.com – Howdy all, Ive been looking around, but does anyone here know how to edit the touchscreen driver? Problem is on the Asus Transformer Prime TF201 none of the replacement touchscreens have a proper X-axis, they're all inverted. I wanted to try my hand at editing the driver(s) that control the digitizer, or if someone could do it I wouldn't mind either. (HowTos)