История изменений

$ grep -i touchpad Xorg.0.log 
[100743.431] (II) config/udev: Adding input device DLL0704:01 06CB:76AE Touchpad (/dev/input/event11)
[100743.431] (**) DLL0704:01 06CB:76AE Touchpad: Applying InputClass "evdev touchpad catchall"
[100743.431] (**) DLL0704:01 06CB:76AE Touchpad: Applying InputClass "evdev touchscreen catchall"
[100743.431] (**) DLL0704:01 06CB:76AE Touchpad: Applying InputClass "libinput touchpad catchall"
[100743.431] (**) DLL0704:01 06CB:76AE Touchpad: Applying InputClass "libinput touchscreen catchall"
[100743.431] (**) DLL0704:01 06CB:76AE Touchpad: Applying InputClass "Touchpad"
[100743.432] (II) Using input driver 'libinput' for 'DLL0704:01 06CB:76AE Touchpad'
[100743.432] (**) DLL0704:01 06CB:76AE Touchpad: always reports core events
[100743.434] (II) input device 'DLL0704:01 06CB:76AE Touchpad', /dev/input/event11 is tagged by udev as: Touchpad Touchscreen
[100743.434] (II) input device 'DLL0704:01 06CB:76AE Touchpad', /dev/input/event11 is a touchpad
[100743.468] (II) XINPUT: Adding extended input device "DLL0704:01 06CB:76AE Touchpad" (type: TOUCHPAD, id 14)
[100743.468] (**) DLL0704:01 06CB:76AE Touchpad: (accel) selected scheme none/0
[100743.468] (**) DLL0704:01 06CB:76AE Touchpad: (accel) acceleration factor: 2.000
[100743.468] (**) DLL0704:01 06CB:76AE Touchpad: (accel) acceleration threshold: 4
[100743.470] (II) input device 'DLL0704:01 06CB:76AE Touchpad', /dev/input/event11 is tagged by udev as: Touchpad Touchscreen
[100743.470] (II) input device 'DLL0704:01 06CB:76AE Touchpad', /dev/input/event11 is a touchpad
[100743.471] (II) config/udev: Adding input device DLL0704:01 06CB:76AE Touchpad (/dev/input/mouse2)
[100743.472] (**) DLL0704:01 06CB:76AE Touchpad: Applying InputClass "Touchpad"
[100743.472] (II) Using input driver 'libinput' for 'DLL0704:01 06CB:76AE Touchpad'
[100743.472] (**) DLL0704:01 06CB:76AE Touchpad: always reports core events
[100743.508] (EE) libinput: DLL0704:01 06CB:76AE Touchpad: Failed to create a device for /dev/input/mouse2
[100743.508] (EE) PreInit returned 2 for "DLL0704:01 06CB:76AE Touchpad"
$

$ grep -i touchpad Xorg.0.log [100743.431] (II) config/udev: Adding input device DLL0704:01 06CB:76AE Touchpad (/dev/input/event11)
[100743.431] (**) DLL0704:01 06CB:76AE Touchpad: Applying InputClass "evdev touchpad catchall"
[100743.431] (**) DLL0704:01 06CB:76AE Touchpad: Applying InputClass "evdev touchscreen catchall"
[100743.431] (**) DLL0704:01 06CB:76AE Touchpad: Applying InputClass "libinput touchpad catchall"
[100743.431] (**) DLL0704:01 06CB:76AE Touchpad: Applying InputClass "libinput touchscreen catchall"
[100743.431] (**) DLL0704:01 06CB:76AE Touchpad: Applying InputClass "Touchpad"
[100743.432] (II) Using input driver 'libinput' for 'DLL0704:01 06CB:76AE Touchpad'
[100743.432] (**) DLL0704:01 06CB:76AE Touchpad: always reports core events
[100743.434] (II) input device 'DLL0704:01 06CB:76AE Touchpad', /dev/input/event11 is tagged by udev as: Touchpad Touchscreen
[100743.434] (II) input device 'DLL0704:01 06CB:76AE Touchpad', /dev/input/event11 is a touchpad
[100743.468] (II) XINPUT: Adding extended input device "DLL0704:01 06CB:76AE Touchpad" (type: TOUCHPAD, id 14)
[100743.468] (**) DLL0704:01 06CB:76AE Touchpad: (accel) selected scheme none/0
[100743.468] (**) DLL0704:01 06CB:76AE Touchpad: (accel) acceleration factor: 2.000
[100743.468] (**) DLL0704:01 06CB:76AE Touchpad: (accel) acceleration threshold: 4
[100743.470] (II) input device 'DLL0704:01 06CB:76AE Touchpad', /dev/input/event11 is tagged by udev as: Touchpad Touchscreen
[100743.470] (II) input device 'DLL0704:01 06CB:76AE Touchpad', /dev/input/event11 is a touchpad
[100743.471] (II) config/udev: Adding input device DLL0704:01 06CB:76AE Touchpad (/dev/input/mouse2)
[100743.472] (**) DLL0704:01 06CB:76AE Touchpad: Applying InputClass "Touchpad"
[100743.472] (II) Using input driver 'libinput' for 'DLL0704:01 06CB:76AE Touchpad'
[100743.472] (**) DLL0704:01 06CB:76AE Touchpad: always reports core events
[100743.508] (EE) libinput: DLL0704:01 06CB:76AE Touchpad: Failed to create a device for /dev/input/mouse2
[100743.508] (EE) PreInit returned 2 for "DLL0704:01 06CB:76AE Touchpad"
$