So, the new PulseAudio update is able to detect "Front headphone jack", which in your case correctly switches output to headphones instead of speakers.
This causes a regression due to PulseAudio muting the speakers when the headphones are plugged in, in combination with a kernel driver bug: the "Speaker" volume control actually controls the volume of the headphones (!). Possible workarounds include: 1) Move to the linux-image-generic-lts-quantal kernel or 2) Use the latest drivers https://wiki.ubuntu.com/Audio/UpgradingAlsa/DKMS or 3) Edit /usr/share/pulseaudio/alsa-mixer/paths/analog-output-headphones.conf and change from: [Element Speaker] switch = off volume = off to: [Element Speaker] switch = mute volume = merge -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1104565 Title: [Regression] No sound through headphone jack since last update of ubuntu 12.04.1LTS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1104565/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
