Intel NUC8I5BEH - No HDMI audio output -- rest working

Recently installed macOS big sur 11.2.3 with OpenCore 0.6.7 on Intel NUC8I5BEH following the guide

Everything seems to be working fine other than the HDMI audio output (video working of course). I do get audio from the headphone jack and over bluetooth. And if I unplug the hdmi cable and replug it after boot up. The audio came out. This is very weird to me. People suggest using the kext fake_pciid. But I am not sure if this duplicates appalc. The codec on this NUC should be Realtek ALC233 and I have "alcid=28" set in boot-args.

Anybody has successful experience on this? Or where should I looked into to solve this problem.

Any help is much appreciated. Thanks!

submitted by /u/huangzonghao
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