RGB control module

hardware/cpu/amd.nix

···
 
     nixos-hardware.nixosModules.common-cpu-amd
   ];
+
+  services.hardware.openrgb.motherboard = "amd";
 }

hardware/cpu/intel.nix

···
     nixos-hardware.nixosModules.common-cpu-intel
   ];
 
+  services.hardware.openrgb.motherboard = "intel";
+
   services.thermald.enable = isLaptop;
 }

hosts/prospect/default.nix

···
     (flakeRoot + /modules/common)
     (flakeRoot + /modules/common/boot/systemd-boot.nix)
     (flakeRoot + /modules/common/system/audio.nix)
+    (flakeRoot + /modules/common/system/rgb.nix)
 
     (flakeRoot + /modules/desktop/environments/gnome.nix)
 

modules/common/system/rgb.nix

···
+{ pkgs, ... }:
+
+{
+  boot.kernelModules = [ "i2c-dev" ];
+
+  hardware.i2c = {
+    enable = true;
+  };
+
+  services.hardware.openrgb = {
+    enable = true;
+
+    package = pkgs.openrgb-with-all-plugins;
+  };
+}