@kai.heng.feng I installed new kernel and observed no changes in brightness and mic mute keys behaviour.
$ uname -a Linux marcin-HP-ZBook-Studio-G5 5.5.0-050500-generic #202001262030 SMP Mon Jan 27 01:33:36 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux $ 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/event7: HP Wireless hotkeys /dev/input/event8: SYNA307B:00 06CB:CD46 Mouse /dev/input/event9: SYNA307B:00 06CB:CD46 Touchpad /dev/input/event10: HP HD Camera: HP HD Camera /dev/input/event11: HP HD Camera: HP IR Camera /dev/input/event12: HP WMI hotkeys /dev/input/event13: HDA Intel PCH Mic /dev/input/event14: HDA Intel PCH Headphone /dev/input/event15: HDA Intel PCH HDMI/DP,pcm=3 /dev/input/event16: HDA Intel PCH HDMI/DP,pcm=7 /dev/input/event17: HDA Intel PCH HDMI/DP,pcm=8 /dev/input/event18: HDA Intel PCH HDMI/DP,pcm=9 /dev/input/event19: HDA Intel PCH HDMI/DP,pcm=10 /dev/input/event20: ST LIS3LV02DL Accelerometer /dev/input/event21: MX Master 3 Keyboard /dev/input/event22: MX Master 3 Mouse Select the device event number [0-22]: 4 Input driver version is 1.0.1 Input device ID: bus 0x11 vendor 0x1 product 0x1 version 0xab41 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 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 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 1580834998.053861, type 4 (EV_MSC), code 4 (MSC_SCAN), value 81 Event: time 1580834998.053861, type 1 (EV_KEY), code 190 (KEY_F20), value 1 Event: time 1580834998.053861, -------------- SYN_REPORT ------------ Event: time 1580834998.060396, type 4 (EV_MSC), code 4 (MSC_SCAN), value 81 Event: time 1580834998.060396, type 1 (EV_KEY), code 190 (KEY_F20), value 0 Event: time 1580834998.060396, -------------- SYN_REPORT ------------ Event: time 1580835003.139581, type 4 (EV_MSC), code 4 (MSC_SCAN), value 81 Event: time 1580835003.139581, type 1 (EV_KEY), code 190 (KEY_F20), value 1 Event: time 1580835003.139581, -------------- SYN_REPORT ------------ Event: time 1580835003.146209, type 4 (EV_MSC), code 4 (MSC_SCAN), value 81 Event: time 1580835003.146209, type 1 (EV_KEY), code 190 (KEY_F20), value 0 Event: time 1580835003.146209, -------------- SYN_REPORT ------------ Event: time 1580835014.922668, type 4 (EV_MSC), code 4 (MSC_SCAN), value 81 Event: time 1580835014.922668, type 1 (EV_KEY), code 190 (KEY_F20), value 1 Event: time 1580835014.922668, -------------- SYN_REPORT ------------ Event: time 1580835014.929509, type 4 (EV_MSC), code 4 (MSC_SCAN), value 81 Event: time 1580835014.929509, type 1 (EV_KEY), code 190 (KEY_F20), value 0 Event: time 1580835014.929509, -------------- SYN_REPORT ------------ Event: time 1580835014.966776, type 4 (EV_MSC), code 4 (MSC_SCAN), value 42 Event: time 1580835014.966776, -------------- SYN_REPORT ------------ -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1852071 Title: [HP ZBook Studio G5, Ubuntu 18.04.3 LTS] Brightness function keys works as microphone mute function keys Status in linux package in Ubuntu: Confirmed Bug description: 1. Press fn+F3. Ubuntu shows "Internal microphone" turned off OSD pop-up. Should turn the brightness down. 2. Press fn+F3 again. Ubuntu shows "Internal microphone" turned on OSD pop-up. Should turn the brightness down. 1. Press fn+F4. Ubuntu shows "Internal microphone" turned off OSD pop-up. Should turn the brightness up. 2. Press fn+F4 again. Ubuntu shows "Internal microphone" turned on OSD pop-up. Should turn the brightness up. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: xorg 1:7.7+19ubuntu7.1 ProcVersionSignature: Ubuntu 5.0.0-32.34~18.04.2-generic 5.0.21 Uname: Linux 5.0.0-32-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.9 Architecture: amd64 BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log' CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: None CurrentDesktop: ubuntu:GNOME Date: Mon Nov 11 13:23:56 2019 DistUpgraded: Fresh install DistroCodename: bionic DistroVariant: ubuntu ExtraDebuggingInterest: Yes GraphicsCard: Intel Corporation Device [8086:3e9b] (prog-if 00 [VGA controller]) Subsystem: Hewlett-Packard Company Device [103c:8428] InstallationDate: Installed on 2019-04-02 (223 days ago) InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210) Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 138a:00ab Validity Sensors, Inc. Bus 001 Device 002: ID 05c8:0808 Cheng Uei Precision Industry Co., Ltd (Foxlink) Bus 001 Device 004: ID 8087:0aaa Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: HP HP ZBook Studio G5 ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.0.0-32-generic root=UUID=d12790df-696c-4d0c-aefa-b0e53712e2ce ro quiet splash vt.handoff=1 SourcePackage: xorg Symptom: display UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 07/15/2019 dmi.bios.vendor: HP dmi.bios.version: Q71 Ver. 01.08.00 dmi.board.name: 8427 dmi.board.vendor: HP dmi.board.version: KBC Version 16.3A.00 dmi.chassis.asset.tag: 5CD91018X5 dmi.chassis.type: 10 dmi.chassis.vendor: HP dmi.modalias: dmi:bvnHP:bvrQ71Ver.01.08.00:bd07/15/2019:svnHP:pnHPZBookStudioG5:pvr:rvnHP:rn8427:rvrKBCVersion16.3A.00:cvnHP:ct10:cvr: dmi.product.family: 103C_5336AN HP ZBook Studio dmi.product.name: HP ZBook Studio G5 dmi.product.sku: 2YN61AV dmi.sys.vendor: HP version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.97-1ubuntu1~18.04.1 version.libgl1-mesa-dri: libgl1-mesa-dri 19.0.8-0ubuntu0~18.04.3 version.libgl1-mesa-glx: libgl1-mesa-glx 19.0.8-0ubuntu0~18.04.3 version.xserver-xorg-core: xserver-xorg-core N/A version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1852071/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp