Comment 10 for bug 1852071

Additionally I tested "event16", but there was no reaction (doesn't matter if using Fn + key combinations or when using Fn lock):

$ sudo evtest
No device specified, trying to scan all of /dev/input/event*
Available devices:
/dev/input/event0: Sleep Button
/dev/input/event1: Lid Switch
/dev/input/event2: Power Button
/dev/input/event3: Power Button
/dev/input/event4: AT Translated Set 2 keyboard
/dev/input/event5: Video Bus
/dev/input/event6: SynPS/2 Synaptics TouchPad
/dev/input/event11: HP Wireless hotkeys
/dev/input/event12: HP HD Camera: HP HD Camera
/dev/input/event13: HP HD Camera: HP IR Camera
/dev/input/event14: SYNA307B:00 06CB:CD46 Touchpad
/dev/input/event15: ST LIS3LV02DL Accelerometer
/dev/input/event16: HP WMI hotkeys
/dev/input/event17: HDA Intel PCH Mic
/dev/input/event18: HDA Intel PCH Headphone
/dev/input/event19: HDA Intel PCH HDMI/DP,pcm=3
/dev/input/event20: HDA Intel PCH HDMI/DP,pcm=7
/dev/input/event21: HDA Intel PCH HDMI/DP,pcm=8
/dev/input/event22: HDA Intel PCH HDMI/DP,pcm=9
/dev/input/event23: HDA Intel PCH HDMI/DP,pcm=10
/dev/input/event24: MX Master 3 Keyboard
/dev/input/event25: MX Master 3 Mouse
Select the device event number [0-25]: 16
Input driver version is 1.0.1
Input device ID: bus 0x19 vendor 0x0 product 0x0 version 0x0
Input device name: "HP WMI hotkeys"
Supported events:
  Event type 0 (EV_SYN)
  Event type 1 (EV_KEY)
    Event code 138 (KEY_HELP)
    Event code 141 (KEY_SETUP)
    Event code 148 (KEY_PROG1)
    Event code 153 (KEY_DIRECTION)
    Event code 224 (KEY_BRIGHTNESSDOWN)
    Event code 225 (KEY_BRIGHTNESSUP)
    Event code 226 (KEY_MEDIA)
    Event code 240 (KEY_UNKNOWN)
    Event code 358 (KEY_INFO)
  Event type 4 (EV_MSC)
    Event code 4 (MSC_SCAN)
  Event type 5 (EV_SW)
Properties:
Testing ... (interrupt to exit)