Not sure if this will be of help or not; attaching the output of alsa-info script from: http://www.alsa-project.org/alsa-info.sh
** Attachment added: "alsa-info.txt.1oT26Rl85v" http://launchpadlibrarian.net/40204100/alsa-info.txt.1oT26Rl85v -- When headphones are plugged in, the speaker does not get muted automatically. https://bugs.launchpad.net/bugs/477154 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs