fancontrol service init

nixos/modules/module-list.nix

@@ -328,6 +328,7 @@
   ./services/hardware/bluetooth.nix
   ./services/hardware/bolt.nix
   ./services/hardware/brltty.nix
+  ./services/hardware/fancontrol.nix
   ./services/hardware/freefall.nix
   ./services/hardware/fwupd.nix
   ./services/hardware/illum.nix

nixos/modules/services/hardware/fancontrol.nix

@@ -0,0 +1,39 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.services.fancontrol;
+
+in {
+
+  options.services.fancontrol = {
+    enable = mkOption {
+      type = types.bool;
+      default = false;
+      example = true;
+      description = "Whether to enable fancontrol (requires a configuration file, see pwmconfig)";
+    };
+
+    configFile = mkOption {
+      type = types.str;
+      default = "/etc/fancontrol";
+      example = "/home/user/.config/fancontrol";
+      description = "Path to the configuration file, likely generated with pwmconfig.";
+    };
+  };
+
+  config = mkIf cfg.enable {
+    systemd.services.fancontrol = {
+      description = "Fan speed control from lm_sensors";
+      wantedBy = [ "multi-user.target" ];
+      serviceConfig = {
+        Type = "simple";
+        User = "root";
+        ExecStart = "${pkgs.lm_sensors}/bin/fancontrol ${cfg.configFile}";
+      };
+    };
+  };
+
+
+}