nichts/modules/system/hardware/power.nix

{
  config,
  inputs,
  lib,
  pkgs,
  ...
}: let
  inherit (lib.modules) mkDefault;
in {
  imports = [
    inputs.superfreq.nixosModules.default
  ];
  config = {
    environment.systemPackages = builtins.attrValues {
      inherit
        (pkgs)
        acpi
        powertop
        ;
    };

    boot = {
      kernelModules = ["acpi_call"];
      extraModulePackages = with config.boot.kernelPackages; [
        acpi_call
        cpupower
      ];
    };

    hardware.acpilight.enable = false;

    programs.superfreq.enable = true;
    services = {
      upower = {
        enable = true;
        percentageLow = 15;
        percentageCritical = 5;
      };

      acpid = {
        enable = true;
        logEvents = true;
      };

      # INFO: Only works on Intel
      undervolt = {
        enable = true;

        tempBat = 65;
        package = pkgs.undervolt;
      };

      auto-cpufreq = {
        enable = false;
        settings = {
          charger = {
            governor = "performance";
            energy_performance_preference = "performance";
            scaling_min_freq = mkDefault 1800000;
            scaling_max_freq = mkDefault 3800000;
            turbo = "auto";
          };

          battery = {
            governor = "powersave";
            energy_performance_preference = "power";
            scaling_min_freq = mkDefault 1200000;
            scaling_max_freq = mkDefault 1800000;
            turbo = "never";
          };
        };
      };
    };
  };
}