the driver show useful message in system log when compiled with debug option
nd_printdd("Headset jack detected iPhone-style headset: %s\n", + is_ctia ? "yes" : "no"); ** Changed in: alsa-driver (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1297790 Title: "Unknown audio device" dialog pops up every time I plug in headphones To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1297790/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs