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Mountain Lion HDMI Audio

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toleda said:
Contact the AppleHDA.kext source for support.
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If I put the original applehda KExt back, shoud hdmi audio out work with passthrough, if so could I re patch it to get my vt2021 functional and keep the passthrough?
I've tried a couple of other patched applehda Kexts and the passthrough seems not to be present. I.E. audio device selection in vlc doesn't show a passthrough in the list.

Thanks for getting me this far.
 
toleda said:
Yes. Use Audio ID: 1 (dsdt/HDEF/layout-id 0x01 0x00, 0x00, 0x00).
Click to expand...
Gave that a go and there's no indication I have passthrough. I seem to remember ther being an additional output in the vlc audio devices list. Or am I looking in the wrong place?
 
toleda said:
What does your receiver display?
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It shows the Dolby pro-logic as opposed to the Dolby digital.
There is no (encoded output) to chose from in the VLC audio devices menu which I seem to recall there being on my old Mac Pro and MacBook.
 
Jabbawok said:
It shows the Dolby pro-logic as opposed to the Dolby digital.
There is no (encoded output) to chose from in the VLC audio devices menu which I seem to recall there being on my old Mac Pro and MacBook.
Click to expand...
Use MediaInfo app and reply with audio format of source file.
 
Build 1
MAXIMUS VII IMPACT |  i7 4770K |  Radeon Other
Build 2
GA-Z97N-WiFi |  i5 5675C |  HD 6200
Good morning, Toleda!

Just to let you know, since you tried so hard to help me to enable HDMI audio for my HD5450: i just solved it myself yesterday! :D That's surely a lesson about the value of persistance.

It was kind of a facepalm fix: i was trying to solve the black screen upon wake issue, and i have in my system an AppleHDA made by Mirone (http://www.insanelymac.com/forum/to...md-hardware-ati-chipsets-nvidia/#entry1899684 - he's been also really awesome). When i restarted my system using PCIRootUID=0 and GraphicsEnabler=No, voilà: HDMI worked! Internal audio still doesn't (it's a Lion version HDA, and i'm on 10.8.3), but i'm pretty sure Mirone will help me to sort it out. I still have that DSDT i made, which previously brought HDMI audio to a recognized-but-oddly-not-working state (http://www.insanelymac.com/forum/index.php?app=core&module=attach&section=attach&attach_id=121017). I'm not sure which was the role of each of the fixes (AppleHDA, PCIRoot, GE=No, DSDT) but i do know i must have all of them for HDMI audio to work for me. So, perhaps, it's a solution you can try and recommend for other people here in the topic which the same card and issue.

All the best!

P.S.: Sleep and wake also are now working like a champ. The card, however, is reported in SysInfo as HD5000, and in IOReg as having a generic ATY framebuffer.

P.P.S.: I wonder if a similar solution (PCI Root, GE=No), wouldn't also be valid for my ION HDMI audio, which we also tried to enable here to no avail. However, i remember you saying it was outputting the wrong signal type in IOReg, so it might as well be an issue of another nature.
 
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