For reference, after a fresh boot without headphones plugged in on my machine, the alsa-info command gives the attached output.
** Attachment added: "alsa-info log fresh boot with no headphones connected" https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1888992/+attachment/5396229/+files/alsa-info_fresh_boot.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1888992 Title: [Realtek ALC892, Green Headphone Out, Front] Not detecting/switching to front jack after plugging in headphones To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1888992/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs