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Generating Dummy SSDT for Soundcard (Big Sur requirement)

Joined
Mar 28, 2017
Messages
23
Motherboard
More than one
CPU
Ryzen 5900
Graphics
5700XT
I have the issue that i have to create a dummy SSDT, so appleALC will identify the sound blaster device correctly. See: https://github.com/acidanthera/OpenCorePkg/blob/0.6.3/Docs/Configuration.tex#L1640-L1645

Path is _SB.PCI0.BXBR.BYUP.BYD4.BYS4 for the PCIe lane, then the sound-blaster is there as a bare pcixxxx,xxxx device.
it has the ID 06:00.0 in lspci

But my device has no short name in the DSDT, it shows up as PCIxxxx,xxxx in the io device tree. I dont know how to add a dummy SSDT for such a device. I already tried more than 24h to do it, but nothing i tried works. Can someone help me with this?

99919269-aa094300-2d1c-11eb-9893-567b82cd1fa8.png
 
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