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Audio - HDMI Audio AppleHDA [Guide]

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I ran the script and everything seemed to work as advertised. I rebooted and my monitor shows up as an output for audio (via DisplayPort). However I get no audio when I select it. I did verify that the volume on my monitor is turned up.

Do you have any ideas?

I'm running an Asus ROG Maximus VIII GENE
eVGA GTX 950
Samsung CF791 monitor connected via DisplayPort.

Thanks,
Michael
 
First Hack Build
Maximus VIII Gene |  i7 6700K |  GTX 970
toleda said:
Eulemur injection, how?
Framebuffer edits, missing?
5450 HDMI audio working previously?
Click to expand...

In order to have my graphic card to work I followed this guide.
I have no clue about what you mean by "framebuffer edits" (consider I'm a beginner).
HDMI audio has never worked.
 
Problem reporting:

1. audio_cloverHDMI doesn't work:
Device ID: 0x12590000 not supported
rm: /tmp/HDEF.txt: No such file or directory
AMD/Nvidia not found

2. macOS 10.12.3, Gigabyte Z270X Ultra Gaming (BIOS F4), Intel Core-i5 7600k, Nvidia 970GTX

3.
Code: 
File: audio_cloverHDMI-120.command_v1.0d
Release Mode
EFI partition is mounted
HDMI audio codec(s)
Intel:    0x8086280b
Device ID: 0x12590000 not supported
rm: /tmp/HDEF.txt: No such file or directory
AMD/Nvidia not found
No system files were changed

4, 5: See attached files
 

Attachments

  • 200-series motherboard.zip
    6.2 MB · Views: 83
Last edited:
Build 1
MAXIMUS VII IMPACT |  i7 4770K |  Radeon Other
Build 2
GA-Z97N-WiFi |  i5 5675C |  HD 6200
kris33 said:
the internal gpu is disabled in BIOS
Click to expand...
Shows in IOReg, not disabled
Script is not seeing Nvidia HDMI codec.
1. Fix:
Install ssdt_hdmi-nvidia-PEG0.zip and restart
2. Debug:
Edit audio_cloverHDMI-120_v1.0d.command/Line 62/gDebug=0 to gDebug=2
Save, run and reply with terminal output.
 
Build 1
MAXIMUS VII IMPACT |  i7 4770K |  Radeon Other
Build 2
GA-Z97N-WiFi |  i5 5675C |  HD 6200
toleda said:
Attach the edited dsdt.
Click to expand...
How do I extract it? With DSDTSE I get NullObjectException (or something).

EDIT: I got it, attached.
 

Attachments

  • DSDT.aml
    155.8 KB · Views: 110
Last edited:
toleda said:
Shows in IOReg, not disabled
Script is not seeing Nvidia HDMI codec.
1. Fix:
Install ssdt_hdmi-nvidia-PEG0.zip and restart
2. Debug:
Edit audio_cloverHDMI-120_v1.0d.command/Line 62/gDebug=0 to gDebug=2
Save, run and reply with terminal output.
Click to expand...

Whoops, I updated the BIOS, which apparently reset some options like that one. I re-disabled it.

Code: 
Agreement
The audio_cloverHDMI script is for personal use only. Do not distribute
the patch, any or all of the files for any reason without permission.
The audio_cloverHDMI script is provided as is and without any warranty.
System version: supported
gSysVer = 10.12.3
File: audio_cloverHDMI-120.command_v1.0d
Debug Mode
Boot device: /dev/disk0s3
Boot volume: MacOS
GFX0 - gigfx = 0
IGPU - gigfx = 0
gCodecsInstalled = 0x10de0071
0x10ec1220
Index = 0, Codec = 0x10de0071
Index = 1, Codec = 0x10ec1220
HDMI audio codec(s)
Nvidia:   0x10de0071
Integrated Graphics is not installed/enabled
AMD/Nvidia discrete graphics HDMI audio
gigfx = 0
gdgfx = 1
Install AMD/Nvidia HDMI audio (y/n): y
gdgfxname1 = PEG0@1
dgfxindex1 = 1
gdgfxpciname1 = PEG0@1
gdgfxpciname1 = PEG0@1
gdgfxname2 = PEGP@0
gdgfxname2 = GFX0@0
index0 = 2, vendor-id = 6214
index0 = 2, vendor-id = de10
index0 = 2, device-id = c213
gdgfxname2 = display@0
gdgfxname2 = pci-display@0
gdgfxname2 = GFX1@0
gdgfxname2 = H000@0
gdgfxname2 = pci10de
gdgfxname2 = pci1002
Nvidia discrete graphics card 10de13c2 found on PEG0@1/GFX0@0
dgfxhdagfx1 = 1
dgfxhdagfx2 = 1
dgfxhdagfx = 2
Nvidia HDMI audio is enabled
To save a Copy of this Terminal session: Terminal/Shell/Export Text As ...

Thanks for the help, HDMI audio works now :D
 
Last edited:
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