Public bug reported:
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
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.
** Affects: ubuntu
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headset microphone is not recognized in headset-jack
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