[Bug 580006] Re: Headphone jack sense missing on Realtek ALC269

[Jimmy Persson]

Hi, 
There is a workaround for this issue, though it differs a bit depending on the model of the computer.
I too have a Lenovo SL510, and just managed to solve it. Just open the Alsa config file with "sudo gedit /etc/modprobe.d/alsa-base.conf", and add the line "options snd_hda_intel model=quanta", to the end of the file. In both cases the commands should be without the quotation marks. Now just restart the computer and the speakers mute when headphones are plugged in.

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Headphone jack sense missing on Realtek ALC269
https://bugs.launchpad.net/bugs/580006
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