There's a test branch which I believe fix this problem in https://github.com/hughsie/fwupd/issues/50#issuecomment-223222483 if anyone can test this.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1574079 Title: USB audio device is not recognized after startup in 16.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/fwupd/+bug/1574079/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
