Comment 12 for bug 1876991

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Sam Hudson (slippykitty) wrote :

I am also having a very similar problem on my Dell Inspiron 5390 runnin ubuntu 20.04.1 LTS. The output from running xinput reads:

⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ DELL091F:00 27C6:01F0 Mouse id=10 [slave pointer (2)]
⎜ ↳ DELL091F:00 27C6:01F0 Touchpad id=11 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
    ↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
    ↳ Video Bus id=6 [slave keyboard (3)]
    ↳ Power Button id=7 [slave keyboard (3)]
    ↳ Sleep Button id=8 [slave keyboard (3)]
    ↳ Integrated_Webcam_HD: Integrate id=9 [slave keyboard (3)]
    ↳ Intel HID events id=12 [slave keyboard (3)]
    ↳ Intel HID 5 button array id=13 [slave keyboard (3)]
    ↳ Dell WMI hotkeys id=14 [slave keyboard (3)]
    ↳ AT Translated Set 2 keyboard id=15 [slave keyboard (3)]

After booting the laptop up I have no problems with the touchpad, I also noticed that after a cold boot if i run "xinput test 11" and "xinput test 10" only device 11 (touchpad) registers any inputs. However, once i suspend the laptop and then wake it the touchpad loses lots of functions (basically functions like a mouse no gestures work) and right click also becomes middle click. If i again run both of the xinput tests again the only device that registers inputs is now device ID 10 (the one labelled mouse)