Public bug reported:
In a lot of scenari , one would like to plug its "one jack" headet to
use the microphone , but would like to output sound to speakers
Ubuntu 20.04 , kernel 5.11 , after plugging the headphone , it become
the only option on the sound panel , laptop speakers are not available
to be selected.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.11.0-25.27~20.04.1-generic 5.11.22
Uname: Linux 5.11.0-25-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.18
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: oem 3009 F.... pulseaudio
/dev/snd/pcmC0D0c: oem 3009 F...m pulseaudio
/dev/snd/pcmC0D0p: oem 3009 F...m pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Thu Aug 5 12:55:31 2021
InstallationDate: Installed on 2021-04-29 (97 days ago)
InstallationMedia: Ubuntu 20.04.2 LTS "Focal Fossa" - Release amd64 (20210204)
PackageArchitecture: all
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=fr_FR.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/14/2019
dmi.bios.release: 7.6
dmi.bios.vendor: INSYDE Corp.
dmi.bios.version: 1.07.06
dmi.board.asset.tag: Tag 12345
dmi.board.name: NL40_50CU
dmi.board.vendor: Notebook
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Notebook
dmi.chassis.version: N/A
dmi.ec.firmware.release: 7.1
dmi.modalias:
dmi:bvnINSYDECorp.:bvr1.07.06:bd09/14/2019:br7.6:efr7.1:svnNotebook:pnNL40_50CU:pvrNotApplicable:rvnNotebook:rnNL40_50CU:rvrNotApplicable:cvnNotebook:ct10:cvrN/A:
dmi.product.family: Not Applicable
dmi.product.name: NL40_50CU
dmi.product.sku: Not Applicable
dmi.product.version: Not Applicable
dmi.sys.vendor: Notebook
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1939010
Title:
Cannot manually switch to laptop speakers if headphones are plugged
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