basic vmware gen

modules/nixos/hardware/asahi/default.nix

@@ -1,6 +1,6 @@
 { config, lib, inputs, namespace, ... }:
 let
-  inherit (lib) mkIf types;
+  inherit (lib) types optionalAttrs;
   inherit (lib.${namespace}) mkOpt mkBoolOpt;
 
   cfg = config.${namespace}.hardware.asahi;
@@ -16,12 +16,12 @@ in
     firmwareDirectory = mkOpt types.path null "firmware directory";
   };
 
-  config = mkIf cfg.enable {
-    hardware = {
-      asahi = {
-        peripheralFirmwareDirectory = cfg.firmwareDirectory;
-        useExperimentalGPUDriver = cfg.enableGPU;
-      };
+  config = {
+    hardware.asahi = {
+      enable = cfg.enable;
+    } // optionalAttrs cfg.enable {
+      peripheralFirmwareDirectory = cfg.firmwareDirectory;
+      useExperimentalGPUDriver = cfg.enableGPU;
     };
   };
 }