Here is the xinput list-props while the second screen (AOC) is disconnected Here the touch works as expected
xinput list-props 11 Device 'Weida Hi-Tech CoolTouch® System': Device Enabled (169): 1 Coordinate Transformation Matrix (171): 0.500000, 0.000000, 0.500000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000 libinput Calibration Matrix (308): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000 libinput Calibration Matrix Default (309): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000 libinput Send Events Modes Available (291): 1, 0 libinput Send Events Mode Enabled (292): 0, 0 libinput Send Events Mode Enabled Default (293): 0, 0 Device Node (294): "/dev/input/event4" Device Product ID (295): 9589, 49920
Here is the xinput list-props while the second screen (AOC) is disconnected
Here the touch works as expected
xinput list-props 11
Device 'Weida Hi-Tech CoolTouch® System':
Device Enabled (169): 1
Coordinate Transformation Matrix (171): 0.500000, 0.000000, 0.500000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
libinput Calibration Matrix (308): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
libinput Calibration Matrix Default (309): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
libinput Send Events Modes Available (291): 1, 0
libinput Send Events Mode Enabled (292): 0, 0
libinput Send Events Mode Enabled Default (293): 0, 0
Device Node (294): "/dev/input/event4"
Device Product ID (295): 9589, 49920