Deteksi device
Buka terminal
lsusb
tampil
20b3:0a18 Hanvon 10.1 Touch screen overlay
Menurut situs ini http://lii-enac.fr/en/architecture/linux-input/multitouch-devices.html, ternyata device touchscreennya sudah support multitouch mulai kernel 2.6.38
Cara mengetes
http://lii-enac.fr/en/architecture/linux-input/multitouch-howto.html