https://wiki.ubuntu.com/Audio/AlsaInfo
need the output of alsa-info.sh when the green jack at rear panel has pin default [Jack] Speaker at ext rear, the auto parser treat it as internal speaker and that is the reason for those notebook specific controls "Mic Jack Mode" and loss the capaibility of surround51 with green , pink and blue jacks at rear panel -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1074427 Title: [SG41, IDT 92HD89C2, Green Headphone Out, Front] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1074427/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs