[Solved] Realtek ALC255 on Gigabyte Brix i3-7100u

[RehabMan]

Those are in the original post and unchanged since posting.

I already commented on those files.
Your kextcache shows no patched AppleHDA components are installed.

Also, EFI not requested. EFI/Clover will be much smaller than your attachment (I didn't download it due to the size).

Note: Your ioreg shows HDAS not renamed to HDEF. It is a requirement.

 

[j4ys0n]

Ok, I'll try those things again. For some reason the Mirone AppleHDA.kext doesn't want to load. Any idea why?

EFI/Clover zip attached.

 

[RehabMan]

Ok, I'll try those things again. For some reason the Mirone AppleHDA.kext doesn't want to load. Any idea why?

EFI/Clover zip attached.

HDAS must be renamed HDEF.

 

[j4ys0n]

ok, HDAS is renamed HDEF. I did this in clover. Confirmed in IOReg. AppleHDA.kext now loads, but still no sound devices.

sudo touch /System/Library/Extensions && sudo kextcache -u /
kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext IntelMausiEthernet.kext
kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext FakeSMC.kext
kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext AHCI_Intel_Generic_SATA.kext
kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext Lilu.kext
kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext IntelGraphicsFixup.kext
kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext CodecCommander.kext
kext-dev-mode allowing invalid signature -67054 0xFFFFFFFFFFFEFA12 for kext AppleHDA.kext

 

[RehabMan]

ok, HDAS is renamed HDEF. I did this in clover. Confirmed in IOReg. AppleHDA.kext now loads, but still no sound devices.

sudo touch /System/Library/Extensions && sudo kextcache -u /
kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext IntelMausiEthernet.kext
kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext FakeSMC.kext
kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext AHCI_Intel_Generic_SATA.kext
kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext Lilu.kext
kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext IntelGraphicsFixup.kext
kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext CodecCommander.kext
kext-dev-mode allowing invalid signature -67054 0xFFFFFFFFFFFEFA12 for kext AppleHDA.kext

No "Problem Reporting" files attached.

 

[j4ys0n]

OK, fresh files attached.

 

[j4ys0n]

I'm not sure if you can see this with the clover files, but during boot there are a few lines having to do with audio. It looks like things are being loaded but then I get "No output devices found" once it's booted up.

 

[RehabMan]

OK, fresh files attached.

You may need FakePCIID.kext + FakePCIID_Intel_HDMI_Audio.kext.
Also, make sure your patched AppleHDA is patched based on the version of macOS you're running and that it uses layout-id=3.

 

[j4ys0n]

Did all that. AppleHDA kext is from this install (10.12.16), layout-id=3.

I installed the kexts mentioned. Still no dice. There's another entry when I run `kextstat|grep -y applehda` and it looks like there's another HDA device in IOReg. Fresh files attached.

 

[RehabMan]

Did all that. AppleHDA kext is from this install (10.12.16), layout-id=3.

I installed the kexts mentioned. Still no dice. There's another entry when I run `kextstat|grep -y applehda` and it looks like there's another HDA device in IOReg. Fresh files attached.

I think the AppleHDA you installed is not correctly patched, or is not patched for your codec.
Note that you may also need various IRQ patches.
Look at "IRQ Fix" from my laptop patch repo or look at my BRIX repo for equivalent config.plist settings (config.plist/ACPI/DSDT/Fixes)