$ cat /proc/bus/input/devices ... I: Bus=0003 Vendor=049f Product=0051 Version=0110 N: Name="CHICONY Compaq USB Keyboard" P: Phys=usb-0000:00:1a.0-1/input0 S: Sysfs=/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1:1.0/input/input1 U: Uniq= H: Handlers=kbd event1 B: EV=120013 B: KEY=10000 7 ff9f207a c14057ff febeffdf ffefffff ffffffff fffffffe B: MSC=10 B: LED=7
I: Bus=0003 Vendor=049f Product=0051 Version=0110 N: Name="CHICONY Compaq USB Keyboard" P: Phys=usb-0000:00:1a.0-1/input1 S: Sysfs=/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1:1.1/input/input2 U: Uniq= H: Handlers=kbd event2 B: EV=13 B: KEY=2000000 1000 8000000 0 0 0 0 B: MSC=10 ...
$ cat /proc/bus/ input/devices 0000:00: 1a.0-1/ input0 devices/ pci0000: 00/0000: 00:1a.0/ usb1/1- 1/1-1:1. 0/input/ input1
...
I: Bus=0003 Vendor=049f Product=0051 Version=0110
N: Name="CHICONY Compaq USB Keyboard"
P: Phys=usb-
S: Sysfs=/
U: Uniq=
H: Handlers=kbd event1
B: EV=120013
B: KEY=10000 7 ff9f207a c14057ff febeffdf ffefffff ffffffff fffffffe
B: MSC=10
B: LED=7
I: Bus=0003 Vendor=049f Product=0051 Version=0110 0000:00: 1a.0-1/ input1 devices/ pci0000: 00/0000: 00:1a.0/ usb1/1- 1/1-1:1. 1/input/ input2
N: Name="CHICONY Compaq USB Keyboard"
P: Phys=usb-
S: Sysfs=/
U: Uniq=
H: Handlers=kbd event2
B: EV=13
B: KEY=2000000 1000 8000000 0 0 0 0
B: MSC=10
...