As far as I can see it uses (L+R) and then only sends it to the right rear channel, so effectively using only half of the signal (making it (L+R)/2) which should result in the correct level. Here's the log I think you asked for: http://pastebin.com/JiQ4CYBr
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/871808 Title: Asus N55SF/N75SF - External subwoofer not working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/871808/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
