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 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. 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 To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1340110/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs