Public bug reported:
After installing current 20.04 release on ThinkBook 13s IML with Intel
audio card built-in microphone is not working - I'm unable to record
anything.
I could confirm that it was working in Windows 10 (previously installed
on that laptop), and when I'm using headphones their microphone is
working fine.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.4.0-53.59-generic 5.4.65
Uname: Linux 5.4.0-53-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.12
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: anlar 1496 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Fri Nov 13 19:07:34 2020
InstallationDate: Installed on 2020-10-29 (14 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaRecordingTest: ALSA recording test through plughw:sofhdadsp failed
Symptom_Card: sof-hda-dsp - sof-hda-dsp
Symptom_Jack: Black Mic, Right
Symptom_Type: Only some of inputs are working
Title: [20RR, Realtek ALC257, Black Mic, Right] Recording problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/29/2019
dmi.bios.vendor: LENOVO
dmi.bios.version: CQCN24WW
dmi.board.asset.tag: No Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40697WIN
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo ThinkBook 13s-IML
dmi.modalias:
dmi:bvnLENOVO:bvrCQCN24WW:bd10/29/2019:svnLENOVO:pn20RR:pvrLenovoThinkBook13s-IML:rvnLENOVO:rnLNVNB161216:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrLenovoThinkBook13s-IML:
dmi.product.family: ThinkBook 13s-IML
dmi.product.name: 20RR
dmi.product.sku: LENOVO_MT_20RR_BU_idea_FM_ThinkBook 13s-IML
dmi.product.version: Lenovo ThinkBook 13s-IML
dmi.sys.vendor: LENOVO
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1904213
Title:
Built-in microphone not working with 20.04 on ThinkBook 13s IML
[Realtek ALC257]
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