@HPO, Since alsa-lib 1.0.28 is in utopic, you can just to modify /usr/share/pulseaudio/alsa-mixer/profile-sets/default.conf and add this section:
[Mapping analog-surround-21] device-strings = surround21:%f channel-map = front-left,front-right,lfe paths-output = analog-output analog-output-speaker analog-output-desktop-speaker priority = 8 direction = output (Restart PulseAudio for changes to take effect.) -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/1286021 Title: 2.1 surround support (userspace) Status in “alsa-lib” package in Ubuntu: Fix Released Status in “pulseaudio” package in Ubuntu: Fix Committed Bug description: 2.1 surround should work as seamlessly as other surround options, such as 4.0, 5.1 and 7.1 work today. Alsa-lib and pulseaudio patches for 14.04 can be tested here: https://launchpad.net/~diwic/+archive/surround21 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-lib/+bug/1286021/+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