evtest /dev/input/event5

sudo evtest /dev/input/event5
Input driver version is 1.0.1
Input device ID: bus 0x19 vendor 0x0 product 0x6 version 0x0
Input device name: "Video Bus"
Supported events:
  Event type 0 (Sync)
  Event type 1 (Key)
    Event code 224 (Brightness down)
    Event code 225 (Brightness up)
    Event code 227 (?)
    Event code 241 (?)
    Event code 242 (?)
    Event code 243 (?)
    Event code 244 (?)
    Event code 245 (?)
Testing ... (interrupt to exit)
Event: time 1354430772.236877, type 1 (Key), code 224 (Brightness down), value 1
Event: time 1354430772.236881, -------------- Report Sync ------------
Event: time 1354430772.236904, type 1 (Key), code 224 (Brightness down), value 0
Event: time 1354430772.236905, -------------- Report Sync ------------
Event: time 1354430773.514735, type 1 (Key), code 225 (Brightness up), value 1
Event: time 1354430773.514739, -------------- Report Sync ------------
Event: time 1354430773.514763, type 1 (Key), code 225 (Brightness up), value 0
Event: time 1354430773.514765, -------------- Report Sync ------------
Event: time 1354430780.790709, type 1 (Key), code 227 (?), value 1
Event: time 1354430780.790713, -------------- Report Sync ------------
Event: time 1354430780.790760, type 1 (Key), code 227 (?), value 0
Event: time 1354430780.790762, -------------- Report Sync ------------