Public bug reported:
[Steps to reproduce]
1. Install Ubuntu 19.10 on ThinkPad X1 Yoga 4th Gen
2. Login system
3. Press mic-mute key several times
4. Verify the result
5. Open a terminal and $ record test.wav
6. Leave the terminal here and make voice, meanwhile, press mic-mute key
several times
[Expected result]
Mic-mute key function and its LED work normally.
[Actual result]
Mic-mute key and its LED can not work on Ubuntu 19.10
ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.3.0-13.14-generic 5.3.0
Uname: Linux 5.3.0-13-generic x86_64
ApportVersion: 2.20.11-0ubuntu7
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: u 1747 F.... pulseaudio
/dev/snd/pcmC0D0p: u 1747 F...m pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Fri Oct 11 11:54:01 2019
InstallationDate: Installed on 2019-10-09 (1 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Beta amd64 (20190926)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaRecordingTest: ALSA recording test through plughw:PCH failed
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Type: None of the above
Title: [HDA-Intel - HDA Intel PCH, recording] Recording problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/04/2019
dmi.bios.vendor: LENOVO
dmi.bios.version: N2HET39W (1.22 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20QGZ4MTUS
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40697 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 31
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrN2HET39W(1.22):bd10/04/2019:svnLENOVO:pn20QGZ4MTUS:pvrThinkPadX1Yoga4th:rvnLENOVO:rn20QGZ4MTUS:rvrSDK0J40697WIN:cvnLENOVO:ct31:cvrNone:
dmi.product.family: ThinkPad X1 Yoga 4th
dmi.product.name: 20QGZ4MTUS
dmi.product.sku: LENOVO_MT_20QG_BU_Think_FM_ThinkPad X1 Yoga 4th
dmi.product.version: ThinkPad X1 Yoga 4th
dmi.sys.vendor: LENOVO
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug eoan
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https://bugs.launchpad.net/bugs/1847709
Title:
[ThinkPad X1 Yoga 4th Gen] [HDA-Intel - HDA Intel PCH, recording] Mic-
mute key and its LED can not work on Ubuntu 19.10
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