Success!!!
Audio back. Headphones without distrotion
2 things left
HDMI audio and Trackpad.
Tried booting with and without FakePCIID_Intel_HDMI_Audio.kext
No HDMI audio.
2 random questions
* when connecting the hdmi, screen shows static for few seconds before switching... normal?
* When connecting or disconnecting Power plug. Computer totally freezes...