# evtest /dev/input/event0
Input driver version is 1.0.1
Input device ID: bus 0x19 vendor 0x0 product 0x0 version 0x0
Input device name: "30370000.snvs:snvs-powerkey"
Supported events:
  Event type 0 (EV_SYN)
  Event type 1 (EV_KEY)
    Event code 116 (KEY_POWER)
Properties:
Testing ... (interrupt to exit)
Event: time 1628700521.412893, type 1 (EV_KEY), code 116 (KEY_POWER), value 1
Event: time 1628700521.412893, -------------- SYN_REPORT ------------
Event: time 1628700522.182868, type 1 (EV_KEY), code 116 (KEY_POWER), value 0
Event: time 1628700522.182868, -------------- SYN_REPORT ------------