OK, seems that I have mixed up things a bit or the behavior is not 100%
reproducible. Actually, it looks like the following:
- the headset mic is recognized fine when connected to the docking station
- when connecting to the notebook's internal headset jack, I need to do the
above trick (regardless if the notebook is docked or undocked)
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headset microphone is not recognized in headset-jack
Status in linux package in Ubuntu:
I'm using Ubuntu 16.04 on a Lenovo ThinkPad T450s. This notebook has a
combined headphones/mic "headset"-jack as used by pretty much every
I have a Plantronics-Headset HW251/A - SupraPlus Monaural and a 4-pin
3,5mm jack cable, made for use with PCs.
When connecting the headset to the notebook, I get audio but the mic
is not recognized.
In contrast, when I boot Windows 7 on the same machine, the headset
(including mic) works fine.
Moreover, the headset works fine connected to an Apple MacBook Air.
In contrast, I also have an Apple Earphones-Headset which came with an
iPhone, this also works with the ThinkPad under Ubuntu.
By saying "not recognized", I mean that in the audio settings of Ubuntu, when
plugging in the Plantronics headset, no audio input "microphone" comes up and
the internal mic of the notebook is still used.
USER PID ACCESS COMMAND
/dev/snd/controlC0: buerger 2021 F.... pulseaudio
/dev/snd/controlC1: buerger 2021 F.... pulseaudio
DistroRelease: Ubuntu 16.04
InstallationDate: Installed on 2015-09-15 (366 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
MachineType: LENOVO 20BX000XGE
Package: linux (not installed)
ProcFB: 0 inteldrmfb
root=UUID=93fc15f9-4090-40ff-a3ac-a642833f1da2 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16
Uname: Linux 4.4.0-36-generic x86_64
UpgradeStatus: Upgraded to xenial on 2016-04-22 (146 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo vboxusers
dmi.bios.version: JBET60WW (1.24 )
dmi.board.asset.tag: Not Available
dmi.board.version: SDK0E50510 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.product.version: ThinkPad T450s
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