@Richard Ayotte: you have a different codec (VIA VT2020) than the one in this bug report (IDT 92HD88..)
Lots of jack sensing issues for VIA codecs were fixed in ALSA 1.0.25, so try using the latest alsa kernel module:
sudo apt-add-repository ppa:ubuntu-audio-dev/alsa-daily sudo apt-get update sudo apt-get install alsa-hda-dkms
If the jack sensing does not work on the next boot, please file a new bug report.
@Richard Ayotte: you have a different codec (VIA VT2020) than the one in this bug report (IDT 92HD88..)
Lots of jack sensing issues for VIA codecs were fixed in ALSA 1.0.25, so try using the latest alsa kernel module:
sudo apt-add-repository ppa:ubuntu- audio-dev/ alsa-daily
sudo apt-get update
sudo apt-get install alsa-hda-dkms
If the jack sensing does not work on the next boot, please file a new bug report.