https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda/patch_sigmatel.c?id=eb63212868c348cc6d3ec6929d7d98f7d29493e9
ALSA: hda - Power up always when no jack detection is available When no jack detection is available, the pins should be always turned on since it can't be turned on/off dynamically via unsol events. This mean you need to set bit 8 of all jacks if jack detect always fail -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1540372 Title: [Intel DP35DP, SigmaTel STAC9271D, Green Speaker, Rear] Underruns, dropouts or crackling sound To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1540372/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs