Comment 27 for bug 1885033

$ sudo libinput debug-events
-event4 DEVICE_ADDED Video Bus seat0 default group1 cap:k
-event3 DEVICE_ADDED Video Bus seat0 default group1 cap:k
-event1 DEVICE_ADDED Power Button seat0 default group2 cap:k
-event0 DEVICE_ADDED Lid Switch seat0 default group3 cap:S
-event9 DEVICE_ADDED HDA NVidia HDMI/DP,pcm=3 seat0 default group4 cap:
-event5 DEVICE_ADDED PixArt USB Optical Mouse seat0 default group5 cap:p left scroll-nat scroll-button
-event6 DEVICE_ADDED Integrated Camera: Integrated C seat0 default group6 cap:k
-event8 DEVICE_ADDED Elan Touchpad seat0 default group7 cap:pg size 104x68mm tap(dl off) left scroll-nat scroll-2fg-edge click-buttonareas-clickfinger dwt-on
-event7 DEVICE_ADDED Ideapad extra buttons seat0 default group8 cap:k
-event11 DEVICE_ADDED HDA Intel PCH Headphone seat0 default group4 cap:
-event12 DEVICE_ADDED HDA Intel PCH HDMI/DP,pcm=3 seat0 default group4 cap:
-event13 DEVICE_ADDED HDA Intel PCH HDMI/DP,pcm=7 seat0 default group4 cap:
-event14 DEVICE_ADDED HDA Intel PCH HDMI/DP,pcm=8 seat0 default group4 cap:
-event15 DEVICE_ADDED HDA Intel PCH HDMI/DP,pcm=9 seat0 default group4 cap:
-event16 DEVICE_ADDED HDA Intel PCH HDMI/DP,pcm=10 seat0 default group4 cap:
-event10 DEVICE_ADDED HDA Intel PCH Mic seat0 default group4 cap:
-event2 DEVICE_ADDED AT Translated Set 2 keyboard seat0 default group9 cap:k
# Pressing and releasing Fn (nothing)
# Pressing Fn, pressing and releasing F6 (ie, pressing and releasing Fn+F6) (nothing)
# Pressing and releasing F6
 event2 KEYBOARD_KEY +10.435s *** (-1) pressed
^[[17~ event2 KEYBOARD_KEY +10.508s *** (-1) released
# Pressing and releasing F5
 event2 KEYBOARD_KEY +19.242s *** (-1) pressed
^[[15~ event2 KEYBOARD_KEY +19.306s *** (-1) released
# Pressing and releasing Fn+F5
 event2 KEYBOARD_KEY +19.726s *** (-1) pressed
^[[15~ event2 KEYBOARD_KEY +19.802s *** (-1) released
# Pressing and releasing F7
 event2 KEYBOARD_KEY +22.121s *** (-1) pressed
^[[18~ event2 KEYBOARD_KEY +22.203s *** (-1) released
# Pressing and releasing Fn+F7
-event7 KEYBOARD_KEY +22.612s KEY_RFKILL (247) pressed
 event7 KEYBOARD_KEY +22.612s KEY_RFKILL (247) released
# Pressing Ctrl+C
-event2 KEYBOARD_KEY +25.287s *** (-1) pressed
 event2 KEYBOARD_KEY +25.503s *** (-1) pressed
^C

BTW, the touchpad inputs are still registered when my computer has them off, but I guess that's just how KDE/Ubuntu works for cutting them.