I also have this issue. Running "alsactl restore" will allow sound to come through the headphones without rebooting, but this is suboptimal. I have attached my alsa-info output.
** Attachment added: "alsa-info.txt.vU4MuqgaEu" https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1670059/+attachment/4883677/+files/alsa-info.txt.vU4MuqgaEu -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1670059 Title: [Latitude 3340, Realtek ALC3234] Headphones Not Detected if Plugged in before Boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1670059/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
