General: replace auto-cpufreq with power-profiles-daemon

flake.lock

@@ -1,26 +1,5 @@
 {
   "nodes": {
-    "auto-cpufreq": {
-      "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1725514537,
-        "narHash": "sha256-Xsh3d7rQY7RKzZ7J0swrgxZEyITb7B3oX5F/tcBGjfk=",
-        "owner": "AdnanHodzic",
-        "repo": "auto-cpufreq",
-        "rev": "a42e8fb51e08059411d52451141cac86f1bc788a",
-        "type": "github"
-      },
-      "original": {
-        "owner": "AdnanHodzic",
-        "ref": "v2.4.0",
-        "repo": "auto-cpufreq",
-        "type": "github"
-      }
-    },
     "crane": {
       "inputs": {
         "nixpkgs": [
@@ -414,7 +393,6 @@
     },
     "root": {
       "inputs": {
-        "auto-cpufreq": "auto-cpufreq",
         "flatpak": "flatpak",
         "home-manager": "home-manager",
         "lanzaboote": "lanzaboote",

flake.nix

@@ -10,12 +10,6 @@
     nixpkgs.url = "github:nixos/nixpkgs/nixos-24.11";
     nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
 
-    # Power management via auto-cpufreq
-    auto-cpufreq = {
-      url = "github:AdnanHodzic/auto-cpufreq/v2.4.0";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
-
     # Flatpak support
     flatpak.url = "github:gmodena/nix-flatpak/v0.5.1";
 
@@ -86,7 +80,6 @@
       systems = {
         # Modules to import for all systems
         modules.nixos = with inputs; [
-          auto-cpufreq.nixosModules.default
           lix.nixosModules.default
           lanzaboote.nixosModules.lanzaboote
           flatpak.nixosModules.nix-flatpak

modules/nixos/system/default.nix

@@ -51,9 +51,9 @@ in
     # Install base packages
     environment.systemPackages = cfg.corePackages ++ cfg.packages;
 
-    # Configure power management via auto-cpufreq
-    # https://github.com/AdnanHodzic/auto-cpufreq
-    programs.auto-cpufreq.enable = cfg.powerManagement.enable;
+    # Configure power management via power-profiles-daemon
+    # https://gitlab.freedesktop.org/upower/power-profiles-daemon
+    services.power-profiles-daemon.enable = cfg.powerManagement.enable;
 
     services = {
       # Automatically set the timezone based on location