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#1 2024-09-22 13:28:11
- Captain Athelas
- Member
- Registered: 2020-05-15
- Posts: 42
F3 and F4 keys act as AudioMicMute instead of brightness controls
When pressing the F3 and F4 keys without fn lock, they should decrease and increase my screen brightness on my laptop, but they don't. F3, F4 and F8 all act as AudioMicMute, but only F8 is the correct one.
When I try to assign F3 and F4 to brightness controls in Gnome settings, it detects all three keys as the same one and warns that I would override the F8 key.
The laptop is a HP ZBook Studio G5.
evtest gives me the following output. This is the first part:
$ 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/event10: SYNA307B:00 06CB:CD46 Mouse
/dev/input/event11: SYNA307B:00 06CB:CD46 Touchpad
/dev/input/event12: HDA Intel PCH Mic
/dev/input/event13: HDA Intel PCH Headphone
/dev/input/event14: HDA Intel PCH HDMI/DP,pcm=3
/dev/input/event15: HDA Intel PCH HDMI/DP,pcm=7
/dev/input/event16: HDA Intel PCH HDMI/DP,pcm=8
/dev/input/event17: SynPS/2 Synaptics TouchPad
/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: Wireless hotkeys
/dev/input/event7: PC Speaker
/dev/input/event8: ST LIS3LV02DL Accelerometer
/dev/input/event9: HP WMI hotkeys
Select the device event number [0-17]: 4
Input driver version is 1.0.1
Input device ID: bus 0x11 vendor 0x1 product 0x1 version 0xab83
Input device name: "AT Translated Set 2 keyboard"
Supported events:
Event type 0 (EV_SYN)
Event type 1 (EV_KEY)
Event code 1 (KEY_ESC)
Event code 2 (KEY_1)
Event code 3 (KEY_2)
Event code 4 (KEY_3)
Event code 5 (KEY_4)
Event code 6 (KEY_5)
Event code 7 (KEY_6)
Event code 8 (KEY_7)
Event code 9 (KEY_8)
Event code 10 (KEY_9)
Event code 11 (KEY_0)
Event code 12 (KEY_MINUS)
Event code 13 (KEY_EQUAL)
Event code 14 (KEY_BACKSPACE)
Event code 15 (KEY_TAB)
Event code 16 (KEY_Q)
Event code 17 (KEY_W)
Event code 18 (KEY_E)
Event code 19 (KEY_R)
Event code 20 (KEY_T)
Event code 21 (KEY_Y)
Event code 22 (KEY_U)
Event code 23 (KEY_I)
Event code 24 (KEY_O)
Event code 25 (KEY_P)
Event code 26 (KEY_LEFTBRACE)
Event code 27 (KEY_RIGHTBRACE)
Event code 28 (KEY_ENTER)
Event code 29 (KEY_LEFTCTRL)
Event code 30 (KEY_A)
Event code 31 (KEY_S)
Event code 32 (KEY_D)
Event code 33 (KEY_F)
Event code 34 (KEY_G)
Event code 35 (KEY_H)
Event code 36 (KEY_J)
Event code 37 (KEY_K)
Event code 38 (KEY_L)
Event code 39 (KEY_SEMICOLON)
Event code 40 (KEY_APOSTROPHE)
Event code 41 (KEY_GRAVE)
Event code 42 (KEY_LEFTSHIFT)
Event code 43 (KEY_BACKSLASH)
Event code 44 (KEY_Z)
Event code 45 (KEY_X)
Event code 46 (KEY_C)
Event code 47 (KEY_V)
Event code 48 (KEY_B)
Event code 49 (KEY_N)
Event code 50 (KEY_M)
Event code 51 (KEY_COMMA)
Event code 52 (KEY_DOT)
Event code 53 (KEY_SLASH)
Event code 54 (KEY_RIGHTSHIFT)
Event code 55 (KEY_KPASTERISK)
Event code 56 (KEY_LEFTALT)
Event code 57 (KEY_SPACE)
Event code 58 (KEY_CAPSLOCK)
Event code 59 (KEY_F1)
Event code 60 (KEY_F2)
Event code 61 (KEY_F3)
Event code 62 (KEY_F4)
Event code 63 (KEY_F5)
Event code 64 (KEY_F6)
Event code 65 (KEY_F7)
Event code 66 (KEY_F8)
Event code 67 (KEY_F9)
Event code 68 (KEY_F10)
Event code 69 (KEY_NUMLOCK)
Event code 70 (KEY_SCROLLLOCK)
Event code 71 (KEY_KP7)
Event code 72 (KEY_KP8)
Event code 73 (KEY_KP9)
Event code 74 (KEY_KPMINUS)
Event code 75 (KEY_KP4)
Event code 76 (KEY_KP5)
Event code 77 (KEY_KP6)
Event code 78 (KEY_KPPLUS)
Event code 79 (KEY_KP1)
Event code 80 (KEY_KP2)
Event code 81 (KEY_KP3)
Event code 82 (KEY_KP0)
Event code 83 (KEY_KPDOT)
Event code 85 (KEY_ZENKAKUHANKAKU)
Event code 86 (KEY_102ND)
Event code 87 (KEY_F11)
Event code 88 (KEY_F12)
Event code 89 (KEY_RO)
Event code 90 (KEY_KATAKANA)
Event code 91 (KEY_HIRAGANA)
Event code 92 (KEY_HENKAN)
Event code 93 (KEY_KATAKANAHIRAGANA)
Event code 94 (KEY_MUHENKAN)
Event code 95 (KEY_KPJPCOMMA)
Event code 96 (KEY_KPENTER)
Event code 97 (KEY_RIGHTCTRL)
Event code 98 (KEY_KPSLASH)
Event code 99 (KEY_SYSRQ)
Event code 100 (KEY_RIGHTALT)
Event code 102 (KEY_HOME)
Event code 103 (KEY_UP)
Event code 104 (KEY_PAGEUP)
Event code 105 (KEY_LEFT)
Event code 106 (KEY_RIGHT)
Event code 107 (KEY_END)
Event code 108 (KEY_DOWN)
Event code 109 (KEY_PAGEDOWN)
Event code 110 (KEY_INSERT)
Event code 111 (KEY_DELETE)
Event code 112 (KEY_MACRO)
Event code 113 (KEY_MUTE)
Event code 114 (KEY_VOLUMEDOWN)
Event code 115 (KEY_VOLUMEUP)
Event code 116 (KEY_POWER)
Event code 117 (KEY_KPEQUAL)
Event code 118 (KEY_KPPLUSMINUS)
Event code 119 (KEY_PAUSE)
Event code 121 (KEY_KPCOMMA)
Event code 122 (KEY_HANGUEL)
Event code 123 (KEY_HANJA)
Event code 124 (KEY_YEN)
Event code 125 (KEY_LEFTMETA)
Event code 126 (KEY_RIGHTMETA)
Event code 127 (KEY_COMPOSE)
Event code 128 (KEY_STOP)
Event code 138 (KEY_HELP)
Event code 140 (KEY_CALC)
Event code 142 (KEY_SLEEP)
Event code 143 (KEY_WAKEUP)
Event code 152 (KEY_SCREENLOCK)
Event code 155 (KEY_MAIL)
Event code 156 (KEY_BOOKMARKS)
Event code 157 (KEY_COMPUTER)
Event code 158 (KEY_BACK)
Event code 159 (KEY_FORWARD)
Event code 163 (KEY_NEXTSONG)
Event code 164 (KEY_PLAYPAUSE)
Event code 165 (KEY_PREVIOUSSONG)
Event code 166 (KEY_STOPCD)
Event code 172 (KEY_HOMEPAGE)
Event code 173 (KEY_REFRESH)
Event code 183 (KEY_F13)
Event code 184 (KEY_F14)
Event code 185 (KEY_F15)
Event code 190 (KEY_F20)
Event code 212 (KEY_CAMERA)
Event code 217 (KEY_SEARCH)
Event code 218 (KEY_CONNECT)
Event code 223 (KEY_CANCEL)
Event code 224 (KEY_BRIGHTNESSDOWN)
Event code 225 (KEY_BRIGHTNESSUP)
Event code 226 (KEY_MEDIA)
Event code 227 (KEY_SWITCHVIDEOMODE)
Event code 236 (KEY_BATTERY)
Event code 238 (KEY_WLAN)
Event code 240 (KEY_UNKNOWN)
Event code 389 (KEY_DVD)
Event code 397 (KEY_CALENDAR)
Event code 431 (KEY_DISPLAYTOGGLE)
Event type 4 (EV_MSC)
Event code 4 (MSC_SCAN)
Event type 17 (EV_LED)
Event code 0 (LED_NUML) state 0
Event code 1 (LED_CAPSL) state 0
Event code 2 (LED_SCROLLL) state 0
Key repeat handling:
Repeat type 20 (EV_REP)
Repeat code 0 (REP_DELAY)
Value 250
Repeat code 1 (REP_PERIOD)
Value 33
Properties:
Testing ... (interrupt to exit)
Event: time 1727010522.090650, type 4 (EV_MSC), code 4 (MSC_SCAN), value 1c
Event: time 1727010522.090650, type 1 (EV_KEY), code 28 (KEY_ENTER), value 0
Event: time 1727010522.090650, -------------- SYN_REPORT ------------When I press and release F3 (reduce brightness):
Event: time 1727010530.970750, type 4 (EV_MSC), code 4 (MSC_SCAN), value 81
Event: time 1727010530.970750, type 1 (EV_KEY), code 190 (KEY_F20), value 1
Event: time 1727010530.970750, -------------- SYN_REPORT ------------
Event: time 1727010530.977691, type 4 (EV_MSC), code 4 (MSC_SCAN), value 81
Event: time 1727010530.977691, type 1 (EV_KEY), code 190 (KEY_F20), value 0
Event: time 1727010530.977691, -------------- SYN_REPORT ------------When I press and release F4 (increase brightness):
Event: time 1727010533.942781, type 4 (EV_MSC), code 4 (MSC_SCAN), value 81
Event: time 1727010533.942781, type 1 (EV_KEY), code 190 (KEY_F20), value 1
Event: time 1727010533.942781, -------------- SYN_REPORT ------------
Event: time 1727010533.949523, type 4 (EV_MSC), code 4 (MSC_SCAN), value 81
Event: time 1727010533.949523, type 1 (EV_KEY), code 190 (KEY_F20), value 0
Event: time 1727010533.949523, -------------- SYN_REPORT ------------When I press and release F8 (toggle microphone):
Event: time 1727010536.915685, type 4 (EV_MSC), code 4 (MSC_SCAN), value 81
Event: time 1727010536.915685, type 1 (EV_KEY), code 190 (KEY_F20), value 1
Event: time 1727010536.915685, -------------- SYN_REPORT ------------
Event: time 1727010536.922406, type 4 (EV_MSC), code 4 (MSC_SCAN), value 81
Event: time 1727010536.922406, type 1 (EV_KEY), code 190 (KEY_F20), value 0
Event: time 1727010536.922406, -------------- SYN_REPORT ------------How can I fix this?
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#2 2024-09-23 19:02:38
- gromit
- Administrator
- From: Germany
- Registered: 2024-02-10
- Posts: 1,524
- Website
Re: F3 and F4 keys act as AudioMicMute instead of brightness controls
Which kernel is this on? Is this also the case on linux-lts?
Last edited by gromit (2024-09-23 19:02:53)
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#3 2024-09-24 14:59:39
- Captain Athelas
- Member
- Registered: 2020-05-15
- Posts: 42
Re: F3 and F4 keys act as AudioMicMute instead of brightness controls
Thanks for your response, gromit. I'm using the standard kernel, 6.10.10-arch1-1 at the moment. I have never tried the LTS kernel, but I'll do that.
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