This may be a simple dup of #1252733, although my specific hardware is different.
Specifically, the hda-verb invocations from comment 34 make the background noise go away: hda-verb /dev/snd/hwC1D0 0x0c SET_AMP_GAIN_MUTE 0x5180 hda-verb /dev/snd/hwC1D0 0x0c SET_AMP_GAIN_MUTE 0x6180 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1406034 Title: XPS 15 9530, Realtek ALC3661, Black Headphone Out, Left Background noise To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1406034/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
