Added top-level config.

modules/misc/power.nix

@@ -5,24 +5,26 @@ let
 in
 
 {
-  systemd.services.hd-idle = {
-    description = "External HD spin down daemon";
-    wantedBy = [ "multi-user.target" ];
-    serviceConfig = {
-      Type = "simple";
-      ExecStart =
-        let
-          idleTime = toString 1800;
-          hardDriveParameter = lib.strings.concatMapStringsSep " " (x: "-a ${x} -i ${idleTime}") hardDrives;
-        in
-        "${pkgs.hd-idle}/bin/hd-idle -i 0 ${hardDriveParameter}";
+  config = {
+    systemd.services.hd-idle = {
+      description = "External HD spin down daemon";
+      wantedBy = [ "multi-user.target" ];
+      serviceConfig = {
+        Type = "simple";
+        ExecStart =
+          let
+            idleTime = toString 1800;
+            hardDriveParameter = lib.strings.concatMapStringsSep " " (x: "-a ${x} -i ${idleTime}") hardDrives;
+          in
+          "${pkgs.hd-idle}/bin/hd-idle -i 0 ${hardDriveParameter}";
+      };
     };
-  };
 
-  services.autoaspm.enable = true;
-  powerManagement.powertop.enable = true;
-  boot.kernelParams = [
-    "pcie_aspm=force"
-    "consoleblank=60"
-  ];
+    services.autoaspm.enable = true;
+    powerManagement.powertop.enable = true;
+    boot.kernelParams = [
+      "pcie_aspm=force"
+      "consoleblank=60"
+    ];
+  };
 }