Public bug reported:
Keyboard LED states are not being togged on and off by key presses for speaker
and microphone mute buttons.
They are are both lit from boot and stay on. Software toggling does work
however with on-screen indication of state. Naturally they should reflect
actual state.
$ lsb_release -rd
Description: Ubuntu 25.04
Release: 25.04
$ apt-cache policy alsa-ucm-conf
alsa-ucm-conf:
Installed: 1.2.12-1ubuntu1.2
Candidate: 1.2.12-1ubuntu1.2
Version table:
*** 1.2.12-1ubuntu1.2 500
500 https://gb.archive.ubuntu.com/ubuntu plucky-updates/main amd64
Packages
100 /var/lib/dpkg/status
1.2.12-1ubuntu1 500
500 https://gb.archive.ubuntu.com/ubuntu plucky/main amd64 Packages
=== SOUND HARDWARE ===
0 [sofhdadsp ]: sof-hda-dsp - sof-hda-dsp
LENOVO-21LSCTO1WW-ThinkPadT14sGen5
1 [Display ]: USB-Audio - Studio Display
Apple Inc. Studio Display at usb-0000:22:00.0-1.4, high
speed
00:1f.3 Audio device [0403]: Intel Corporation Meteor Lake-P HD Audio
Controller [8086:7e28] (rev 20)
=== SYSTEM INFO ===
LENOVO
21LSCTO1WW
ThinkPad T14s Gen 5
=== KERNEL/DRIVER INFO ===
6.14.0-15-generic
snd_hda_codec_realtek 212992 1
snd_hda_codec_generic 122880 1 snd_hda_codec_realtek
snd_hda_scodec_component 20480 1 snd_hda_codec_realtek
snd_hda_codec_hdmi 98304 1
snd_hda_ext_core 32768 4
snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_sof_intel_hda_mlink,snd_sof_intel_hda
snd_hda_intel 61440 0
snd_intel_dspcfg 45056 4
snd_hda_intel,snd_sof,snd_sof_intel_hda_common,snd_sof_intel_hda_generic
snd_hda_codec 204800 8
snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek,snd_soc_intel_hda_dsp_common,snd_soc_hdac_hda,snd_sof_intel_hda,snd_soc_skl_hda_dsp
snd_hda_core 147456 10
snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_ext_core,snd_hda_codec,snd_hda_codec_realtek,snd_soc_intel_hda_dsp_common,snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_sof_intel_hda
snd_hwdep 20480 2 snd_usb_audio,snd_hda_codec
snd_pcm 196608 13
snd_hda_codec_hdmi,snd_hda_intel,snd_usb_audio,snd_hda_codec,soundwire_intel,snd_sof,snd_sof_intel_hda_common,snd_compress,snd_sof_intel_hda_generic,snd_soc_core,snd_sof_utils,snd_hda_core,snd_pcm_dmaengine
snd 143360 31
snd_ctl_led,snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_usb_audio,snd_usbmidi_lib,snd_hda_codec,snd_hda_codec_realtek,snd_sof,snd_timer,snd_compress,thinkpad_acpi,snd_soc_core,snd_ump,snd_pcm,snd_rawmidi
[ 10.839925] input: sof-hda-dsp Headphone as
/devices/pci0000:00/0000:00:1f.3/skl_hda_dsp_generic/sound/card0/input22
[ 10.839986] input: sof-hda-dsp HDMI/DP,pcm=3 as
/devices/pci0000:00/0000:00:1f.3/skl_hda_dsp_generic/sound/card0/input23
[ 10.840039] input: sof-hda-dsp HDMI/DP,pcm=4 as
/devices/pci0000:00/0000:00:1f.3/skl_hda_dsp_generic/sound/card0/input24
[ 10.840160] input: sof-hda-dsp HDMI/DP,pcm=5 as
/devices/pci0000:00/0000:00:1f.3/skl_hda_dsp_generic/sound/card0/input25
[ 12.942924] usbcore: registered new interface driver snd-usb-audio
ProblemType: Bug
DistroRelease: Ubuntu 25.04
Package: alsa-ucm-conf 1.2.12-1ubuntu1.2
ProcVersionSignature: Ubuntu 6.14.0-15.15-generic 6.14.0
Uname: Linux 6.14.0-15-generic x86_64
ApportVersion: 2.32.0-0ubuntu5.2
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Thu Jun 19 11:09:59 2025
InstallationDate: Installed on 2025-04-05 (75 days ago)
InstallationMedia: Ubuntu 25.04 "Plucky Puffin" - Beta amd64 (20250326.6)
PackageArchitecture: all
SourcePackage: alsa-ucm-conf
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: alsa-ucm-conf (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug plucky wayland-session
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to alsa-ucm-conf in Ubuntu.
https://bugs.launchpad.net/bugs/2114972
Title:
ALSA UCM configuration doesn't properly handle LED synchronization
with PipeWire/PulseAudio mute states.
Status in alsa-ucm-conf package in Ubuntu:
New
Bug description:
Keyboard LED states are not being togged on and off by key presses for
speaker and microphone mute buttons.
They are are both lit from boot and stay on. Software toggling does work
however with on-screen indication of state. Naturally they should reflect
actual state.
$ lsb_release -rd
Description: Ubuntu 25.04
Release: 25.04
$ apt-cache policy alsa-ucm-conf
alsa-ucm-conf:
Installed: 1.2.12-1ubuntu1.2
Candidate: 1.2.12-1ubuntu1.2
Version table:
*** 1.2.12-1ubuntu1.2 500
500 https://gb.archive.ubuntu.com/ubuntu plucky-updates/main amd64
Packages
100 /var/lib/dpkg/status
1.2.12-1ubuntu1 500
500 https://gb.archive.ubuntu.com/ubuntu plucky/main amd64 Packages
=== SOUND HARDWARE ===
0 [sofhdadsp ]: sof-hda-dsp - sof-hda-dsp
LENOVO-21LSCTO1WW-ThinkPadT14sGen5
1 [Display ]: USB-Audio - Studio Display
Apple Inc. Studio Display at usb-0000:22:00.0-1.4, high
speed
00:1f.3 Audio device [0403]: Intel Corporation Meteor Lake-P HD Audio
Controller [8086:7e28] (rev 20)
=== SYSTEM INFO ===
LENOVO
21LSCTO1WW
ThinkPad T14s Gen 5
=== KERNEL/DRIVER INFO ===
6.14.0-15-generic
snd_hda_codec_realtek 212992 1
snd_hda_codec_generic 122880 1 snd_hda_codec_realtek
snd_hda_scodec_component 20480 1 snd_hda_codec_realtek
snd_hda_codec_hdmi 98304 1
snd_hda_ext_core 32768 4
snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_sof_intel_hda_mlink,snd_sof_intel_hda
snd_hda_intel 61440 0
snd_intel_dspcfg 45056 4
snd_hda_intel,snd_sof,snd_sof_intel_hda_common,snd_sof_intel_hda_generic
snd_hda_codec 204800 8
snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek,snd_soc_intel_hda_dsp_common,snd_soc_hdac_hda,snd_sof_intel_hda,snd_soc_skl_hda_dsp
snd_hda_core 147456 10
snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_ext_core,snd_hda_codec,snd_hda_codec_realtek,snd_soc_intel_hda_dsp_common,snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_sof_intel_hda
snd_hwdep 20480 2 snd_usb_audio,snd_hda_codec
snd_pcm 196608 13
snd_hda_codec_hdmi,snd_hda_intel,snd_usb_audio,snd_hda_codec,soundwire_intel,snd_sof,snd_sof_intel_hda_common,snd_compress,snd_sof_intel_hda_generic,snd_soc_core,snd_sof_utils,snd_hda_core,snd_pcm_dmaengine
snd 143360 31
snd_ctl_led,snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_usb_audio,snd_usbmidi_lib,snd_hda_codec,snd_hda_codec_realtek,snd_sof,snd_timer,snd_compress,thinkpad_acpi,snd_soc_core,snd_ump,snd_pcm,snd_rawmidi
[ 10.839925] input: sof-hda-dsp Headphone as
/devices/pci0000:00/0000:00:1f.3/skl_hda_dsp_generic/sound/card0/input22
[ 10.839986] input: sof-hda-dsp HDMI/DP,pcm=3 as
/devices/pci0000:00/0000:00:1f.3/skl_hda_dsp_generic/sound/card0/input23
[ 10.840039] input: sof-hda-dsp HDMI/DP,pcm=4 as
/devices/pci0000:00/0000:00:1f.3/skl_hda_dsp_generic/sound/card0/input24
[ 10.840160] input: sof-hda-dsp HDMI/DP,pcm=5 as
/devices/pci0000:00/0000:00:1f.3/skl_hda_dsp_generic/sound/card0/input25
[ 12.942924] usbcore: registered new interface driver snd-usb-audio
ProblemType: Bug
DistroRelease: Ubuntu 25.04
Package: alsa-ucm-conf 1.2.12-1ubuntu1.2
ProcVersionSignature: Ubuntu 6.14.0-15.15-generic 6.14.0
Uname: Linux 6.14.0-15-generic x86_64
ApportVersion: 2.32.0-0ubuntu5.2
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Thu Jun 19 11:09:59 2025
InstallationDate: Installed on 2025-04-05 (75 days ago)
InstallationMedia: Ubuntu 25.04 "Plucky Puffin" - Beta amd64 (20250326.6)
PackageArchitecture: all
SourcePackage: alsa-ucm-conf
UpgradeStatus: No upgrade log present (probably fresh install)
To manage notifications about this bug go to:
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