Public bug reported:
The mute led on the laptops keyboard is not working. The mute function
is working fine.
3) Expected behaviour
When pressing the mute button I want the led on it to toggle. (Lighting up when
muted or sound level is 0 in an orange tone and it should extinguish when the
sound level is strictly greater than 0)
4) Real behaviour
The LED is off all the time. It is not turning on.
Kind regards
Dennis Küenzi
PS some additional info codecs and lspci.
This are my codecs:
/proc/asound/card0/codec#0:Codec: Realtek ALC236
/proc/asound/card0/codec#2:Codec: Intel Kabylake HDMI
This is the output of lspci maybe its of use:
00:00.0 Host bridge: Intel Corporation 10th Gen Core Processor Host Bridge/DRAM
Registers (rev 02)
00:01.0 PCI bridge: Intel Corporation 6th-10th Gen Core Processor PCIe
Controller (x16) (rev 02)
00:02.0 VGA compatible controller: Intel Corporation CometLake-H GT2 [UHD
Graphics] (rev 05)
00:04.0 Signal processing controller: Intel Corporation Xeon E3-1200 v5/E3-1500
v5/6th Gen Core Processor Thermal Subsystem (rev 02)
00:12.0 Signal processing controller: Intel Corporation Comet Lake PCH Thermal
Controller
00:14.0 USB controller: Intel Corporation Comet Lake USB 3.1 xHCI Host
Controller
00:14.2 RAM memory: Intel Corporation Comet Lake PCH Shared SRAM
00:14.3 Network controller: Intel Corporation Comet Lake PCH CNVi WiFi
00:15.0 Serial bus controller: Intel Corporation Comet Lake PCH Serial IO I2C
Controller #0
00:15.1 Serial bus controller: Intel Corporation Comet Lake PCH Serial IO I2C
Controller #1
00:16.0 Communication controller: Intel Corporation Comet Lake HECI Controller
00:1c.0 PCI bridge: Intel Corporation Device 06b8 (rev f0)
00:1d.0 PCI bridge: Intel Corporation Comet Lake PCI Express Root Port #9 (rev
f0)
00:1f.0 ISA bridge: Intel Corporation Device 068e
00:1f.3 Multimedia audio controller: Intel Corporation Comet Lake PCH cAVS
00:1f.4 SMBus: Intel Corporation Comet Lake PCH SMBus Controller
00:1f.5 Serial bus controller: Intel Corporation Comet Lake PCH SPI Controller
00:1f.6 Ethernet controller: Intel Corporation Ethernet Connection (10) I219-LM
01:00.0 3D controller: NVIDIA Corporation TU117GLM [Quadro T1000 Mobile] (rev
a1)
02:00.0 PCI bridge: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge
2C 2018] (rev 06)
03:00.0 PCI bridge: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge
2C 2018] (rev 06)
03:01.0 PCI bridge: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge
2C 2018] (rev 06)
03:02.0 PCI bridge: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge
2C 2018] (rev 06)
04:00.0 System peripheral: Intel Corporation JHL7540 Thunderbolt 3 NHI [Titan
Ridge 2C 2018] (rev 06)
39:00.0 USB controller: Intel Corporation JHL7540 Thunderbolt 3 USB Controller
[Titan Ridge 2C 2018] (rev 06)
3a:00.0 Non-Volatile memory controller: Toshiba Corporation XG6 NVMe SSD
Controller
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.14.0-37-generic 6.14.0-37.37~24.04.1
ProcVersionSignature: Ubuntu 6.14.0-37.37~24.04.1-generic 6.14.11
Uname: Linux 6.14.0-37-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: dennis 17266 F.... pipewire
dennis 17275 F.... wireplumber
/dev/snd/seq: dennis 17266 F.... pipewire
CRDA: N/A
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Mon Dec 29 09:52:06 2025
InstallationDate: Installed on 2025-12-25 (4 days ago)
InstallationMedia: Ubuntu 24.04.1 LTS "Noble Numbat" - Release amd64
(20240827.1)
MachineType: HP HP ZBook Power G7 Mobile Workstation
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.14.0-37-generic
root=/dev/mapper/ubuntu--vg-ubuntu--lv ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-6.14.0-37-generic N/A
linux-backports-modules-6.14.0-37-generic N/A
linux-firmware 20240318.git3b128b60-0ubuntu2.21
SourcePackage: linux-hwe-6.14
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/14/2025
dmi.bios.release: 21.0
dmi.bios.vendor: HP
dmi.bios.version: T75 Ver. 01.21.00
dmi.board.name: 87EC
dmi.board.vendor: HP
dmi.board.version: KBC Version 34.31.00
dmi.chassis.type: 10
dmi.chassis.vendor: HP
dmi.ec.firmware.release: 52.49
dmi.modalias:
dmi:bvnHP:bvrT75Ver.01.21.00:bd04/14/2025:br21.0:efr52.49:svnHP:pnHPZBookPowerG7MobileWorkstation:pvrSBKPF:rvnHP:rn87EC:rvrKBCVersion34.31.00:cvnHP:ct10:cvr:sku10J85AV:
dmi.product.family: 103C_5336AN HP ZBook
dmi.product.name: HP ZBook Power G7 Mobile Workstation
dmi.product.sku: 10J85AV
dmi.product.version: SBKPF
dmi.sys.vendor: HP
** Affects: linux-hwe-6.14 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble
** Branch linked: lp:~gmb/launchpad/add-mute-button-204980-2
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https://bugs.launchpad.net/bugs/2137200
Title:
The mute led is not working. HP ZBook Power G7
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