Resolved now. Thanks to all those that helped along the way. The final fix was spelled out here:
https://wiki.ubuntu.com/Audio/InstallingLinuxAlsaDriverModules On irc in the channel #alsa dtchen mentioned that the VIA codecs have been significantly recently. Fixed in these packages: ii alsa-base 1.0.24+dfsg-0ubuntu1 ALSA driver configuration files ii alsa-utils 1.0.24.2-0ubuntu6 Utilities for configuring and using ALSA ii bluez-alsa 4.91-0ubuntu1 Bluetooth ALSA support ii gnome-alsamixer 0.9.7~cvs.20060916.ds.1-2 ALSA sound mixer for GNOME ii gstreamer0.10-alsa 0.10.32-1ubuntu5 GStreamer plugin for ALSA ii linux-alsa-driver-modules-2.6.38-10-generic 2.6.38-10.201107131605 Ubuntu-supplied Linux modules for version 2.6.38-10-generic ALSA snapshots -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/607482 Title: [VIA VT1708S] ALSA test tone NOT correctly played back for headphone but works fine for speakers To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/607482/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
