You have been subscribed to a public bug:
Description: Ubuntu 20.04.4 LTS
Release: 20.04
When inserted in the 3.5mm phone jack, the external microphone is not
detected, and thus the audio input doesn't auto-switch from the internal
microphone to the external microphone.
The problem probably is related to the kernel version, as kernels
5.11.0-34, 5.11.0-36,5.11.0-37 and 5.11.0-38 works as expected, but
kernels 5.4.0-104, 5.11.0-40, 5.11.0-41, 5.11.0-43, 5.11.0-44,
5.11.0-46, 5.13.0-30 and 5.13.0-35 don't. A similar problem happens for
Debian 11.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.13.0-35.40~20.04.1-generic 5.13.19
Uname: Linux 5.13.0-35-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: thales 1485 F.... pulseaudio
/dev/snd/pcmC0D0p: thales 1485 F...m pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Thu Mar 17 00:07:20 2022
InstallationDate: Installed on 2022-03-09 (7 days ago)
InstallationMedia: Ubuntu 20.04.4 LTS "Focal Fossa" - Release amd64 (20220223)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=pt_BR:pt:en
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=pt_BR.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_Card: Áudio interno - HDA Intel PCH
Symptom_Jack: Black Mic, Right
Symptom_Type: No auto-switch between inputs
Title: [81FD, Realtek ALC236, Black Mic, Right] No autoswitch
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/19/2021
dmi.bios.release: 1.58
dmi.bios.vendor: LENOVO
dmi.bios.version: 8RCN58WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40679 WIN
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo ideapad 330-15IKB
dmi.ec.firmware.release: 1.58
dmi.modalias:
dmi:bvnLENOVO:bvr8RCN58WW:bd05/19/2021:br1.58:efr1.58:svnLENOVO:pn81FD:pvrLenovoideapad330-15IKB:rvnLENOVO:rnLNVNB161216:rvrSDK0J40679WIN:cvnLENOVO:ct10:cvrLenovoideapad330-15IKB:skuLENOVO_MT_81FD_BU_idea_FM_ideapad330-15IKB:
dmi.product.family: ideapad 330-15IKB
dmi.product.name: 81FD
dmi.product.sku: LENOVO_MT_81FD_BU_idea_FM_ideapad 330-15IKB
dmi.product.version: Lenovo ideapad 330-15IKB
dmi.sys.vendor: LENOVO
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal wayland-session
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[81FD, Realtek ALC236, Black Mic, Right] The external microphone is not detected
https://bugs.launchpad.net/bugs/1965215
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