https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda/patch_hdmi.c?id=75fae117a5dbde5ab984fa5c60705758cfbc6433
http://mailman.alsa-project.org/pipermail/alsa- devel/2014-February/072017.html your Nvidia GPU 16 is in the list Codec: Nvidia GPU 16 HDMI/DP Address: 0 AFG Function Id: 0x1 (unsol 0) Vendor Id: 0x10de0016 Subsystem Id: 0x10de0101 ** Package changed: pulseaudio (Ubuntu) => alsa-driver (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1276041 Title: HDMI output number doubled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1276041/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs