Found a workaround:
Install GNOME Alsa Mixer
sudo apt-get install gnome-alsamixer
Now open GNOME ALSA Mixer from Applications -> Sound & Video -> GNOME ALSA Mixer
Choose the tab: “CA0106…”
Turn on “Audigy Analog/Digital Output Jack” => Deselect IEC958
That’s it now your sound should work as normal
Testing: ubuntu-bug audio
Found a workaround:
Install GNOME Alsa Mixer
sudo apt-get install gnome-alsamixer
Now open GNOME ALSA Mixer from Applications -> Sound & Video -> GNOME ALSA Mixer
Choose the tab: “CA0106…”
Turn on “Audigy Analog/Digital Output Jack”
=> Deselect IEC958
That’s it now your sound should work as normal
Testing:
ubuntu-bug audio