for the desktop the line in jack and the mic jack at rear panel can be retasked as output to support 5.1
but you need to find out the pin complex of the internal speakers and set the correct pin default by pin fixup or early patching so that the driver know that the notebook has 6 speakers -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/941219 Title: [Acer Aspire 8930G] Speaker Sound does not mute when Headphones are connected. Ubuntu 12.04 LTS. Missing Auto-Mute Mode in alsamixer. Status in “alsa-driver” package in Ubuntu: Confirmed Bug description: ALSA HDA, Laptop Speaker sound does not disable with headphones connected. Laptop: Acer Aspire 8930. I installed alsa-hda-dkms-acer3830tg_0.1_all but when rebooted speaker sound disappeared but headphone sound remained. Crashed pulseaudio indicator, no where to enable disable headphone sensing. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/941219/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
