I think you'd need someone to figure out what/where is detecting the combo jack is in use and whether it thinks an external mic is plugged in or just blindly assumes one is plugged in.
I don't know what component is responsible for that detection so adding a kernel task in case that's relevant... ** Also affects: linux (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1025388 Title: Internal mic stops working when plugging in headphones To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1025388/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs