with codesnakes builds on my m8, its just like that, says spdif greyed out but hdmi passthrough is working, not sure what comes out of spdif as i havent tried.
Main System - HTPC - Intel I3 6300 - Asrock z170 - 16 GB DDR4 - 128gb SSD - 65" UHD HDR Sony Android TV - Pioneer VSX 1130-K - 7.2.2 speakers
Other devices currently in use - 55" 3D UHD LG TV - 2 Fire TV's - Nexus Player - MiniMX s905 - Voyo Vmac Mini
Ubuntu Server - 12 TB NAS - MYSQL - Torrent Box