Lenovo KU-1255 + Raspberry Pi Zero W + Raspberry Pi OS buster
=============================================================

* event0 : keyboard
* event1 : mouse (trackpoint)

- - -

```
$ ls -alF /dev/input/

合計 0
drwxr-xr-x  4 root root     240  2月 27 19:35 ./
drwxr-xr-x 17 root root    3660  2月 27 19:35 ../
drwxr-xr-x  2 root root     140  2月 27 19:35 by-id/
drwxr-xr-x  2 root root     120  2月 27 19:35 by-path/
crw-rw----  1 root input 13, 64  2月 27 19:35 event0
crw-rw----  1 root input 13, 65  2月 27 19:35 event1
crw-rw----  1 root input 13, 66  2月 27 19:35 event2
crw-rw----  1 root input 13, 67  2月 27 19:35 event3
crw-rw----  1 root input 13, 68  2月 27 19:35 event4
crw-rw----  1 root input 13, 69  2月 27 19:35 event5
crw-rw----  1 root input 13, 63  2月 26 09:28 mice
crw-rw----  1 root input 13, 32  2月 27 19:35 mouse0

$ ls -alF /dev/input/by-id/

合計 0
drwxr-xr-x 2 root root 140  2月 27 19:35 ./
drwxr-xr-x 4 root root 240  2月 27 19:35 ../
lrwxrwxrwx 1 root root   9  2月 27 19:35 usb-Lenovo_ThinkPad_Compact_USB_Keyboard_with_TrackPoint-event-if01 -> ../event5
lrwxrwxrwx 1 root root   9  2月 27 19:35 usb-Lenovo_ThinkPad_Compact_USB_Keyboard_with_TrackPoint-event-kbd -> ../event0
lrwxrwxrwx 1 root root   9  2月 27 19:35 usb-Lenovo_ThinkPad_Compact_USB_Keyboard_with_TrackPoint-if01-event-mouse -> ../event1
lrwxrwxrwx 1 root root   9  2月 27 19:35 usb-Lenovo_ThinkPad_Compact_USB_Keyboard_with_TrackPoint-if01-mouse -> ../mouse0
lrwxrwxrwx 1 root root   9  2月 26 09:29 usb-Logitech_USB_Receiver-event-if01 -> ../event2

$ ls -alF /dev/input/by-path/

合計 0
drwxr-xr-x 2 root root 120  2月 27 19:35 ./
drwxr-xr-x 4 root root 240  2月 27 19:35 ../
lrwxrwxrwx 1 root root   9  2月 27 19:35 platform-20980000.usb-usb-0:1.1:1.0-event-kbd -> ../event0
lrwxrwxrwx 1 root root   9  2月 27 19:35 platform-20980000.usb-usb-0:1.1:1.1-event -> ../event5
lrwxrwxrwx 1 root root   9  2月 27 19:35 platform-20980000.usb-usb-0:1.1:1.1-event-mouse -> ../event1
lrwxrwxrwx 1 root root   9  2月 27 19:35 platform-20980000.usb-usb-0:1.1:1.1-mouse -> ../mouse0

$ cat /proc/bus/input/devices

I: Bus=0003 Vendor=17ef Product=6047 Version=0100
N: Name="Lenovo ThinkPad Compact USB Keyboard with TrackPoint"
P: Phys=usb-20980000.usb-1.1/input0
S: Sysfs=/devices/platform/soc/20980000.usb/usb1/1-1/1-1.1/1-1.1:1.0/0003:17EF:6047.0005/input/input13
U: Uniq=
H: Handlers=sysrq kbd leds event0 
B: PROP=0
B: EV=120013
B: KEY=10000 7 ff800000 7ff febeffdf ffefffff ffffffff fffffffe
B: MSC=10
B: LED=1f

I: Bus=0003 Vendor=17ef Product=6047 Version=0100
N: Name="Lenovo ThinkPad Compact USB Keyboard with TrackPoint Mouse"
P: Phys=usb-20980000.usb-1.1/input1
S: Sysfs=/devices/platform/soc/20980000.usb/usb1/1-1/1-1.1/1-1.1:1.1/0003:17EF:6047.0006/input/input14
U: Uniq=
H: Handlers=mouse0 event1 
B: PROP=0
B: EV=17
B: KEY=1f0000 0 0 0 0 0 0 0 0
B: REL=1943
B: MSC=10

I: Bus=0003 Vendor=17ef Product=6047 Version=0100
N: Name="Lenovo ThinkPad Compact USB Keyboard with TrackPoint Consumer Control"
P: Phys=usb-20980000.usb-1.1/input1
S: Sysfs=/devices/platform/soc/20980000.usb/usb1/1-1/1-1.1/1-1.1:1.1/0003:17EF:6047.0006/input/input15
U: Uniq=
H: Handlers=kbd event2 
B: PROP=0
B: EV=1f
B: KEY=300ff 0 0 0 0 483ffff 17aff32d bfd44446 0 0 1 130c73 b17c000 267bfa d9415fed 9e1680 4400 0 10000002
B: REL=1040
B: ABS=1 0
B: MSC=10

I: Bus=0003 Vendor=17ef Product=6047 Version=0100
N: Name="Lenovo ThinkPad Compact USB Keyboard with TrackPoint"
P: Phys=usb-20980000.usb-1.1/input1
S: Sysfs=/devices/platform/soc/20980000.usb/usb1/1-1/1-1.1/1-1.1:1.1/0003:17EF:6047.0006/input/input16
U: Uniq=
H: Handlers=event3 
B: PROP=0
B: EV=9
B: ABS=100 0

I: Bus=0003 Vendor=17ef Product=6047 Version=0100
N: Name="Lenovo ThinkPad Compact USB Keyboard with TrackPoint"
P: Phys=usb-20980000.usb-1.1/input1
S: Sysfs=/devices/platform/soc/20980000.usb/usb1/1-1/1-1.1/1-1.1:1.1/0003:17EF:6047.0006/input/input17
U: Uniq=
H: Handlers=event4 
B: PROP=0
B: EV=13
B: KEY=1 0 0 0 0 0 0 0 0
B: MSC=10

I: Bus=0003 Vendor=17ef Product=6047 Version=0100
N: Name="Lenovo ThinkPad Compact USB Keyboard with TrackPoint"
P: Phys=usb-20980000.usb-1.1/input1
S: Sysfs=/devices/platform/soc/20980000.usb/usb1/1-1/1-1.1/1-1.1:1.1/0003:17EF:6047.0006/input/input18
U: Uniq=
H: Handlers=event5 
B: PROP=0
B: EV=9
B: ABS=100 0

```

```
> python evdump.py
Please input, hexadecimal or 'exit'
EV=120013
 -> EV_SYN EV_KEY EV_MSC EV_LED EV_REP

EV=17
 -> EV_SYN EV_KEY EV_REL EV_MSC

EV=1f
 -> EV_SYN EV_KEY EV_REL EV_ABS EV_MSC

EV=9
 -> EV_SYN EV_ABS

EV=13
 -> EV_SYN EV_KEY EV_MSC

EV=9
 -> EV_SYN EV_ABS

```