Sorry for typo, please correct: edev -> evdev.
Additional info for my PC:
xxxxxx:~$ cat /proc/bus/input/devices | grep -B 5 kbd I: Bus=0019 Vendor=0000 Product=0001 Version=0000 N: Name="Power Button" P: Phys=PNP0C0C/button/input0 S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input0 U: Uniq= H: Handlers=kbd event0 -- I: Bus=0019 Vendor=0000 Product=0001 Version=0000 N: Name="Power Button" P: Phys=LNXPWRBN/button/input0 S: Sysfs=/devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 U: Uniq= H: Handlers=kbd event1 -- I: Bus=0011 Vendor=0001 Product=0001 Version=ab41 N: Name="AT Translated Set 2 keyboard" P: Phys=isa0060/serio0/input0 S: Sysfs=/devices/platform/i8042/serio0/input/input3 U: Uniq= H: Handlers=kbd event3 -- I: Bus=0003 Vendor=046d Product=09a4 Version=0006 N: Name="UVC Camera (046d:09a4)" P: Phys=usb-0000:00:02.1-9/button S: Sysfs=/devices/pci0000:00/0000:00:02.1/usb1/1-9/1-9:1.0/input/input4 U: Uniq= H: Handlers=kbd event4 -- I: Bus=0001 Vendor=11d4 Product=198b Version=0001 N: Name="HDA Digital PCBeep" P: Phys=card0/codec#0/beep0 S: Sysfs=/devices/pci0000:00/0000:00:06.1/input/input7 U: Uniq= H: Handlers=kbd event7
Sorry for typo, please correct: edev -> evdev.
Additional info for my PC:
xxxxxx:~$ cat /proc/bus/ input/devices | grep -B 5 kbd button/ input0 devices/ LNXSYSTM: 00/LNXSYBUS: 00/PNP0C0C: 00/input/ input0 button/ input0 devices/ LNXSYSTM: 00/LNXPWRBN: 00/input/ input1 serio0/ input0 devices/ platform/ i8042/serio0/ input/input3 0000:00: 02.1-9/ button devices/ pci0000: 00/0000: 00:02.1/ usb1/1- 9/1-9:1. 0/input/ input4 codec#0/ beep0 devices/ pci0000: 00/0000: 00:06.1/ input/input7
I: Bus=0019 Vendor=0000 Product=0001 Version=0000
N: Name="Power Button"
P: Phys=PNP0C0C/
S: Sysfs=/
U: Uniq=
H: Handlers=kbd event0
--
I: Bus=0019 Vendor=0000 Product=0001 Version=0000
N: Name="Power Button"
P: Phys=LNXPWRBN/
S: Sysfs=/
U: Uniq=
H: Handlers=kbd event1
--
I: Bus=0011 Vendor=0001 Product=0001 Version=ab41
N: Name="AT Translated Set 2 keyboard"
P: Phys=isa0060/
S: Sysfs=/
U: Uniq=
H: Handlers=kbd event3
--
I: Bus=0003 Vendor=046d Product=09a4 Version=0006
N: Name="UVC Camera (046d:09a4)"
P: Phys=usb-
S: Sysfs=/
U: Uniq=
H: Handlers=kbd event4
--
I: Bus=0001 Vendor=11d4 Product=198b Version=0001
N: Name="HDA Digital PCBeep"
P: Phys=card0/
S: Sysfs=/
U: Uniq=
H: Handlers=kbd event7