I have a touchscreen attached to my Porteus Kiosk PC, I have almost managed to get it to work, but the "Coordinate Transformation Matrix" is giving me some hard time.
I know it works with the following command, that I exectue through SSH after boot
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xinput set-prop $TOUCHSCREEN "Coordinate Transformation Matrix" 0 -1 1 1 0 0 0 0 1
Here's my touchscreen_calibration section in porteus config file (with the last part not working)
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touchscreen_calibration="eGalax Inc. eGalaxTouch EXC7200-1501v1010" "Evdev Axis Calibration" 32 15 32000 20 33000 | "eGalax Inc. eGalaxTouch EXC7200-1501v1010" "Evdev Axis Inversion" 8 1 1 | "eGalax Inc. eGalaxTouch EXC7200-1501v1010" "Coordinate Transformation Matrix" 32 0 -1 1 1 0 0 0 0 1