This control should be OFF since it is used for sharing of the default PCM stream with analog and SPDIF outputs.
but you are using Built-in Audio Digital Stereo (HDMI) of alc888 https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/?id=9a08160bdbe3148a405f72798f76e2a5d30bd243 Simple mixer control 'IEC958 Default PCM',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1247160 Title: Ubuntu 13.10 [Studio Hybrid 140g, Realtek ALC888, Black Digital Out, HDMI] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1247160/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
