gigabyte z370 hd3p - sierra - can get audio

[wtfamn]

i installed sierra....and installed the alc1220 kext but cant get the sound working....
in system preferences there are 4 ausio output highlighted
hdmi audio 1
hdmi audio 2
hdmi audio 3.... but there is no sound....

 

[toleda]

nstalled the alc1220 kext but cant get the sound working....
in system preferences there are 4 ausio output highlighted

There is no alc1220 kext, you installed Voodoo.
Choices, search
a. Voodoo alc1220
b. AppleHDA Realtek Audio/Post #1/II. AppleHDA Realtek Audio Methods