Touchpad ETPS/2 Elantech Touchpad on /dev/input/event10
Move one finger around the touchpad to detect the actual edges
Kernel says:    x [0..2960], y [0..1924]
Touchpad sends: x [10..2954], y [11..1921] /^C

Touchpad size as listed by the kernel: 92x60mm
User-specified touchpad size: 100x66mm
Calculated ranges: 2944/1910

Suggested udev rule:
# <Laptop model description goes here>
evdev:name:ETPS/2 Elantech Touchpad:dmi:bvnAmericanMegatrendsInc.:bvrUX301LAA.211:bd06/05/2015:svnASUSTeKCOMPUTERINC.:pnUX301LAA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX301LAA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:*
 EVDEV_ABS_00=10:2954:29
 EVDEV_ABS_01=11:1921:29
 EVDEV_ABS_35=10:2954:29
 EVDEV_ABS_36=11:1921:29