how do you know it is (L+R) ? can you post the channel map of pulseaudio log for the corresponding event
speaker-test -c2 -Dpulse -t wav speaker-test -c6 -Dpulse -twav speaker-test -c1 -Dpulse -t wav -- 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
