you cannot use dynamic reconfig(apply now) if you are not using debugged version alsa driver
you need to use set as boot default which use early patching and require reboot you can just add the subwoofer only https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda/patch_realtek.c?id=73bdd597823e2231dc882577dbbaf8df92fe1775 + [ALC668_FIXUP_DELL_MIC_NO_PRESENCE] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x19, 0x03a1913d }, /* use as headphone mic, without its own jack detect */ + { 0x1b, 0x03a1113c }, /* use as headset mic, without its own jack detect */ + { } + }, is there any reason add two pin complex when only headset mic is needed for dell laptop? this create an useless pin complex headphone Mic -- 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 [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
