Hey Fabian, try installing the evtouch driver, and see if that works
better.
sudo apt-get install xserver-xorg-input-evtouch
Then add to your xorg.conf something like this:
Section InputDevice
Identifier "touchscreen"
Driver "evtouch"
Option "Device" "/dev/input/event3"
Option "DeviceName" touchscreen"
Option "ReportingMode" "Raw"
Option "SendCoreEvents"
Option "MinX" "316"
Option "MinY" "36"
Option "MaxX" "3791"
Option "MaxY" "3934"
Option "Rotate" "cw"
Option "SwapX" "1"
Option "SwapY" "1"
EndSection
Section "ServerLayout"
Identifier "Default Layout"
Screen "Default Screen"
InputDevice "touchscreen"
EndSection
You may need to fiddle with some of the parameters. Rotate also accepts a
"CCW" value for instance, and the X/Y values probably should be customized for
the hardware.
You may have to change /dev/input/eventX; try "cat /dev/input/event0",
"cat /dev/input/event1" etc. while touching the screen; and see which
one produces output.
Some of these might be settable on the fly, particularly in jaunty.
Look in this directory:
/sys/module/usbtouchscreen/parameters/
If there are files there, you may be able to use them to control the
device behavior. E.g.:
echo Y > /sys/module/usbtouchscreen/parameters/swap_xy
--
EloTouch 2639L touchscreen (input device) possibly not properly recognized, XY
axis inverted
https://bugs.launchpad.net/bugs/362308
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