Hi, @antennae.
Here are some support notes for the touch screen.The premise here is that the firmware supports HID Multitouch panels.
Generic support for HID multitouch panels:
- 3M PCT touch screens
- ActionStar dual touch panels
- Atmel panels
- Cando dual touch panels
- Chunghwa panels
- CJTouch panels
- CVTouch panels
- Cypress TrueTouch panels
- Elan Microelectronics touch panels
- Elo TouchSystems IntelliTouch Plus panels
- GeneralTouch 'Sensing Win7-TwoFinger' panels
- GoodTouch panels
- Hanvon dual touch panels
- Ilitek dual touch panels
- IrTouch Infrared USB panels
- LG Display panels (Dell ST2220Tc)
- Lumio CrystalTouch panels
- MosArt dual-touch panels
- Panasonic multitouch panels
- PenMount dual touch panels
- Perixx Peripad 701 touchpad
- PixArt optical touch screen
- Pixcir dual touch panels
- Quanta panels
- eGalax dual-touch panels, including the Joojoo and Wetab tablets
- SiS multitouch panels
- Stantum multitouch panels
- Touch International Panels
- Unitec Panels
- Wistron optical touch panels
- XAT optical touch panels
- Xiroku optical touch panels
- Zytronic touch panels
The device’s PID and VID need to view files drivers/hid/hid-multitouch.c and drivers/hid/hid-ids.h.