Difference: RaspiElfKeypad (4 vs. 5)

pi@cosmac:~ $ ls -l /dev/input/by-id/
total 0
lrwxrwxrwx 1 root root 9 May 14 20:23 usb-046a_0014-event-kbd -> ../event0
pi@cosmac:~ $ ls -l /dev/input/by-path/
total 0
lrwxrwxrwx 1 root root 9 May 14 20:23 platform-3f980000.usb-usb-0:1.4:1.0-event-kbd -> ../event0
pi@cosmac:~ $ ls -l /dev/input/event0
crw-rw---- 1 root input 13, 64 May 14 20:23 /dev/input/event0

ESC
00008010  cb d9 f9 5a cc fd 04 00  04 00 04 00 29 00 07 00  |...Z........)...|
00008020  cb d9 f9 5a cc fd 04 00  01 00 01 00 01 00 00 00  |...Z............|
00008030  cb d9 f9 5a cc fd 04 00  00 00 00 00 00 00 00 00  |...Z............|
00008040  cb d9 f9 5a b8 7a 05 00  04 00 04 00 29 00 07 00  |...Z.z......)...|
00008050  cb d9 f9 5a b8 7a 05 00  01 00 01 00 00 00 00 00  |...Z.z..........|
00008060  cb d9 f9 5a b8 7a 05 00  00 00 00 00 00 00 00 00  |...Z.z..........|

Ctrl
00008070  cf d9 f9 5a 66 55 06 00  04 00 04 00 e0 00 07 00  |...ZfU..........|
00008080  cf d9 f9 5a 66 55 06 00  01 00 1d 00 01 00 00 00  |...ZfU..........|
00008090  cf d9 f9 5a 66 55 06 00  00 00 00 00 00 00 00 00  |...ZfU..........|
000080a0  cf d9 f9 5a 94 f1 06 00  04 00 04 00 e0 00 07 00  |...Z............|
000080b0  cf d9 f9 5a 94 f1 06 00  01 00 1d 00 00 00 00 00  |...Z............|
000080c0  cf d9 f9 5a 94 f1 06 00  00 00 00 00 00 00 00 00  |...Z............|