Compare with the xinput output, the USB id of this touchscreen is
[28c8:0001]
T: Bus=02 Lev=02 Prnt=04 Port=00 Cnt=01 Dev#= 6 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=28c8 ProdID=0001 Rev=01.01
S: Manufacturer=UltraChip
S: Product=UCI Touch
C: #Ifs= 2 Cfg#= 1 Atr=a0 MxPwr=100mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=00 Prot=00 Driver=usbhid
I: If#= 1 Alt= 0 #EPs= 2 Cls=03(HID ) Sub=00 Prot=00 Driver=usbhid
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ UltraChip UCI Touch id=10 [slave pointer (2)]
⎜ ↳ UltraChip UCI Touch id=11 [slave pointer (2)]
⎜ ↳ ImPS/2 Generic Wheel Mouse id=15 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ Power Button id=6 [slave keyboard (3)]
↳ Video Bus id=7 [slave keyboard (3)]
↳ Power Button id=8 [slave keyboard (3)]
↳ Sleep Button id=9 [slave keyboard (3)]
↳ Integrated_Webcam_HD id=12 [slave keyboard (3)]
↳ UVC Camera (114d:1001) id=13 [slave keyboard (3)]
↳ AT Translated Set 2 keyboard id=14 [slave keyboard (3)]
↳ Dell WMI hotkeys id=16 [slave keyboard (3)]
** Summary changed:
- [Dell Latitude 12 Rugged Extreme 7204] Touchscreen 3-finger / 4-finger
gestures does not work
+ [Dell Latitude 12 Rugged Extreme 7204] UltraChip UCI Touch Touchscreen
[28c8:0001] 3-finger / 4-finger gestures does not work
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https://bugs.launchpad.net/bugs/1340110
Title:
[Dell Latitude 12 Rugged Extreme 7204] UltraChip UCI Touch Touchscreen
[28c8:0001] 3-finger / 4-finger gestures does not work
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