Problems fixing Intel HDMI Audio

This is my first Hackintosh build, I've been trying to get everything hardware related to work the last few days and the system seems pretty stable for now. The only things I still haven't been able to fix is HDMI audio and sleep.

Build
Intel i5 4590
ASRock Z97M-ITX/ac (ALC892 & Atheros LAN)
No dGPU, using iGPU (HD4600)

Installation
macOS 10.13.4
Clover (v2.4k_r4458)
- AptioMemoryFix
- AptioInputFix
- config.plist in Attachments
Kexts:
- RehabMan's FakeSMC...

Problems fixing Intel HDMI Audio