SPDIF onboard digital audio from Realtek -- best option?

[mangobey]

Hello. Can the optical audio output be activated on 10.13.6 ?

 

[toleda]

Can the optical audio output be activated on 10.13.6 ?

Rules: • Profiles need to contain at least your primary system to assist others with helping you.

 

[mangobey]

Rules: • Profiles need to contain at least your primary system to assist others with helping you.

Apologies. Have modified the profile.

 

[toleda]

Can the optical audio output be activated on 10.13.6 ?

SPDIF is supported with a motherboard connector, steps:
1. Purchase SPDIF connector out accessory and install
2. Edit AppleALC.kext/ALC892 files, see AppleHDA Realtek Audio/Post #1/XI. AppleHDA Realtek Audio/Customization.pdf/Procedure: 7. Substitute SPDIF-2 Wire Output

 

[mangobey]

thank you for your answer.
Here is what I've got:
1. Installed SPDIF connector
2. I've been injecting Audio ID=1, so assuming my Audio ID is 1, so from the layout1.xml got PathMapID=45
3. In the Platforms file found PathMapID=45

but the NodeID values are not as in the customization.pdf procedure nr.7
Could you please advise what I did wrong?
4. As the next step I need to edit Info.plist from AppleALC.kext.
Should I edit only ALC892 related records having LayoutID=1?

Please advise.

p.s.
I've got Digital Out output in the menu

 

[toleda]

I've been injecting Audio ID=1, so assuming my Audio ID is 1, so from the layout1.xml got PathMapID=45

Not correct.
The layout1.xml to edit is not in AppleHDA.kext, it is in the AppleALC.kext binary; same with the correct platforms.xml and info.plist
Install Xcode, clone GitHub - acidanthera/AppleALC repo, compile AppleALC
The correct files are in Resources/ALC892 and Resources/PinConfigs.kext

I've got Digital Out output in the menu

Default is Motherboard/SPDIF/Optical out, not available on your motherboard

 

[mangobey]

Sorry. I'm lost I little.
I've successfully compiled AppleALC. In the kext package I can locate only Info.plist.
Should I modify the files before doing the build?
What would be the exact files to be modified?

thanks!

 

[toleda]

Should I modify the files before doing the build?

Yes, ensures successful build prior to changes

What would be the exact files to be modified?

Answered, Post #36

 

[mangobey]

1. In Resources/ALC892 layout1.xml has PathMapID=892
2. In Resources/ALC892 the only Platforms file having PathMapID=892 is PlatformsM4.xml. So modified it as per Procedure 7 from Customization.pdf ()
3. Modified Info.plist (Item 230 has layout id 1) from Resources/PinConfigs.kext as per Procedure 7 from Customization.pdf
4. Successfully compiled AppleALC
5. Mounted EFI partition. Replaced AppleALC.kext in EFI/Clover/kexts/10.13 with the new one from the build
6. Restarted. No Audio device found

Please assist.

 

[toleda]

1. In Resources/ALC892 layout1.xml has PathMapID=892
2. In Resources/ALC892 the only Platforms file having PathMapID=892 is PlatformsM4.xml. So modified it as per Procedure 7 from Customization.pdf ()

Interesting, updated 892 files on Wednesday at the exact same time.
892/layout1.xml shows PathMapID=100
892/PlatformsT.xml includes PathMapID=100
layout4.xml and PlatformsM4.xml are copies of my work.

Edit PlatformsT.xml/PathMapID=100
Restart, reply with edited files and IOReg.