Need help about monitor external display audio out

Need help about monitor external display audio out

Hi, currently I have Dell G7 7588 running Hackintosh (Big Sur 11.3.1, OC 0.6.9) connected to a Dell Ultrasharp U2419H using Type-C to DisplayPort cable. This monitor has a 3.5mm jack audio out and I use it normally on Windows with an external speaker. But on macOS, I dont see this monitor in Sound device output. The internal sound on the laptop or if I put the 3.5 jack directly to the laptop, everything is okay. So is there any solution to fix it? I already had hda-gfx=<onboard-1> property, also I tried to change other layout-id or use FakePCIID + FakePCIID_Intel_HDMI_Audio but seems not working.

https://preview.redd.it/dk4014hwltz61.png?width=1920&format=png&auto=webp&s=a09ec122e3cc3f4a428e7c7da21a53576cc743e9

https://preview.redd.it/ahxa70xyltz61.png?width=793&format=png&auto=webp&s=993c4aab3b41e84659d44e7ab1a372a2bc061d65

https://preview.redd.it/lkof53rzltz61.png?width=400&format=png&auto=webp&s=db91c8f64f66235e84e60c87ced4796b120f549b

submitted by /u/horikitarin9250
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