hey @Jake Lo
I finally fixed Audio, well, the internal Audio only...
The speakers and microphone are working PERFECTLY, they are loud and very high quality, I am impressed, but when I plug headphones they are detected and working, but they work poorly, I barely can hear something...
I will post my EFI here from my Google Drive if someone needs it, BUT ITS INCOMPLETE !!!
I still didn't tried Audio on HDMI, but at least Video is working when I did the test some time ago.