Mentioned all 3 branches are standalone, It supports every device atleast on Snapdragon (Low > Flagship till >>sm8650<<)

and not all but few Mediatek devices also supports

Dolby Atmos and Dolby vision

Motorola Dolby Atmos with Dolby vision (C2 Dolby) with ac3,ac4

https://github.com/swiitch-OFF-Lab/hardware_dolby/tree/Dolby-Vision-2.0

Sony Dolby Atmos with Dolby vision (C2 Dolby) with ac3,ac4

https://github.com/swiitch-OFF-Lab/hardware_dolby/tree/Dolby-Vision-2.1

MIUI/HyperOS Dolby Atmos with Dolby vision (C2 Dolby) with ac3

https://github.com/swiitch-OFF-Lab/hardware_dolby/tree/Dolby-Vision-2.4

I don't have to need maintain multiple branches now everything included in a easy way so just

>>> Follow readme whatever it says <<<