you are using old version of alsa driver if you still find the name is alc668 since the driver had rename alc668 on those dell computers to alc3661
https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda?id=4b016931a997be59a2be0da3398985a19fdfa5be static struct alc_codec_rename_pci_table rename_pci_tbl[] = { + { 0x10ec0280, 0x1028, 0, "ALC3220" }, + { 0x10ec0282, 0x1028, 0, "ALC3221" }, + { 0x10ec0283, 0x1028, 0, "ALC3223" }, + { 0x10ec0292, 0x1028, 0, "ALC3226" }, + { 0x10ec0255, 0x1028, 0, "ALC3234" }, + { 0x10ec0668, 0x1028, 0, "ALC3661" }, + { } /* terminator */ +}; -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1302090 Title: Dell Alienware 14, Speaker sound output is mono until a headphone jack is plugged To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1302090/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs