Mic not working through audio jack [Linux / Fixed]

[thumbtak]

Open terminal and run …
$ aplay -l

You will hopefully see an ALC number. An example is something like this.

card 2: Generic [HD-Audio Generic], device 0: ALC221 Analog [ALC221 Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0

In the example above, you have ALC221. If your output has 22X, 23X, 25X, 269, 27X, 28X, 29X or 3XXX (the X’s are placeholders for any digit such as 221, 222, 223, 224, etc) then give this a try to see if it adds the Headset Mic option to your input devices:

$ sudo tee /etc/modprobe.d/snd-hda-intel-headset.conf <<<'options snd-hda-intel model=dell-headset-multi'

Don’t worry about Dell being in the name, regardless of your computer manufacturer. This is the name the ALSA developers gave to the quirk, as it was first discovered with Dell’s.

Reboot when done, then look to see if you have the new input device.

You may reboot with the following command …
$ sudo shutdown -r now

If that didn’t work, edit the file with
xed admin:///etc/modprobe.d/snd-hda-intel-headset.conf
and change the line to this:
options snd-hda-intel model=headset-mode

Save the file, ignore the warnings from the terminal, then check the input devices.

And one more option if that also failed:
options snd-hda-intel model=headset-mic

Save. Reboot. Check.

Good luck.

P.S. It is common for new devices to be muted at first. If the option showed up but isn’t working check for that.

You may need to run …
$ alsamixer
to unmute.

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