Can also confirm LPCM 7.1 is not working. Outputs PCM with just 2.0 channels with passthrough enabled or disabled. Will try and get some logs if I can work out how to get them off my SHIELD TV.
Mac Mini (2.7GHz, Late 2012, Windows 10, Kodi DSPlayer) | SATV 16GB | Panasonic TX-P50GT50B | Yamaha RX-V675 | Q Acoustics 2010i (FL, FR, Left S, Right S), Q2000ci Center, Q2070si Sub