https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda/patch_realtek.c?id=73bdd597823e2231dc882577dbbaf8df92fe1775
the above patch only expect notebook have one Jack but this note book has three and there is no line out mode (2x) Audio Out 1/8" Ports (One compatible with inline mic headset) (1x) Line In Microphone 1/8" Port (retaskable for 5.1 analog audio output) do the headset and headphone need vendor coefficients to retask as line out to support external 4.0 speakers ? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1332900 Title: [Alienware 18, Realtek ALC668, Speaker, Internal] Playback problem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1332900/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs