Max: Add wm2fc.

host/x86_64-linux/max/Fan.nix

@@ -0,0 +1,19 @@
+{
+	__findFile,
+	pkgs,
+	...
+}: let
+	wm2fc = pkgs.callPackage <package/wm2fc> {};
+in {
+	environment.systemPackages = with pkgs; [
+		wm2fc
+	];
+
+	security.wrappers.wm2fc = {
+		source = "${wm2fc}/bin/wm2fc";
+		owner  = "root";
+		group  = "root";
+		setuid = true;
+		permissions = "u+rx,g+x,o+x";
+	};
+}

package/wm2fc/default.nix

@@ -0,0 +1,28 @@
+# SRC: https://github.com/matega/win-max-2-fan-control
+{
+	autoPatchelfHook,
+	fetchFromGitHub,
+	lib,
+	stdenv,
+}: stdenv.mkDerivation {
+	# dontUnpack = true;
+	name = "wm2fc";
+	src = fetchFromGitHub {
+		hash  = "sha256-rU0n+4glTWHWjbvbc7Se0O53g1mVDwBP5SkH4ftwNWk=";
+		owner = "matega";
+		repo  = "win-max-2-fan-control";
+		rev   = "a9e65011e0b45d0a76fc5307ad2b7b585410dece";
+	};
+	installPhase = ''
+		runHook preInstall
+		install -Dm755 dist/Debug/GNU-Linux/winmax2fancontrol $out/bin/wm2fc
+		runHook postInstall
+	'';
+	meta = with lib; {
+		description    = "GPD Win Max 2 Fan Control PoC";
+		license        = licenses.gpl3;
+		mainProgram    = "wm2fc";
+		meta.platforms = platforms.all;
+	};
+}
+