Red Hat Bugzilla – Bug 841865
Last modified: 2013-08-01 09:42:08 EDT
Description of problem:
A touch screen device identified as "Quanta OpticalTouchScreen" and found on an ASUS all-in-one pc was reported as not accepting calibration provided via xorg.conf.
Xorg log (attached) contained the following error:
Quanta OpticalTouchScreen: Couldn't open mtdev device
Apparently this error causes all initialisation on the device to be aborted, leaving it uncalibrated.
I was able to build a version of evdev without mtdev support which corrects the issue.
Either multi touch support for this device should be fixed, or graceful fallback to single touch for unsupported devices added.
Version-Release number of selected component (if applicable):
Created attachment 599382 [details]
Created attachment 599383 [details]
Calibration config used.
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