{
  pkgs,
  lib,
  perSystem,
  ...
}: let
  ectool = "${perSystem.cros.cros-ectool}/bin/ectool";
in {
  systemd.tmpfiles.rules = [
    "w /sys/devices/system/cpu/cpufreq/policy*/energy_performance_preference - - - - balance_performance
"
    "w /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor - - - - performance"
  ];
  systemd.services.ectool-thermalset = {
    enable = true;
    serviceConfig.Type = "oneshot";
    script = ''
      ${ectool} thermalset 0 0 361 371 333 353
      ${ectool} thermalset 1 0 361 371 333 353
    '';
  };

  services.kanata.enable = lib.mkForce false;
  services.keyd = {
    enable = true;
    keyboards.internal = {
      ids = [
        "k:0001:0001"
        "k:18d1:5044"
        "k:18d1:5052"
        "k:0000:0000"
        "k:18d1:5050"
        "k:18d1:504c"
        "k:18d1:503c"
        "k:18d1:5030"
        "k:18d1:503d"
        "k:18d1:505b"
        "k:18d1:5057"
        "k:18d1:502b"
        "k:18d1:5061"
      ];
      settings = {
        main = let
          # finger = mod;
          pinky = "alt";
          ring = "meta";
          middle = "control";
          index = "shift";
          # timeouts
          idle = "200";
          hold = "150";
          # function takes finger and letter
          homeRowMod = f: l: "lettermod(${f}, ${l}, ${idle}, ${hold})";
        in {
          "a" = homeRowMod pinky "a";
          "s" = homeRowMod ring "s";
          "d" = homeRowMod middle "d";
          "f" = homeRowMod index "f";
          "j" = homeRowMod index "j";
          "k" = homeRowMod middle "k";
          "l" = homeRowMod ring "l";
          ";" = homeRowMod pinky ";";
          f1 = "back";
          f2 = "forward";
          f3 = "refresh";
          f4 = "f11";
          f5 = "scale";
          f6 = "brightnessdown";
          f7 = "brightnessup";
          f8 = "mute";
          f9 = "volumedown";
          f10 = "volumeup";
          f13 = "coffee"; # lock key reports as XF86Tools
          back = "back";
          forward = "forward";
          refresh = "refresh";
          zoom = "f11";
          scale = "scale";
          brightnessdown = "brightnessdown";
          brightnessup = "brightnessup";
          mute = "mute";
          volumedown = "volumedown";
          volumeup = "volumeup";
        };
        meta = {
          f1 = "f1";
          f2 = "f2";
          f3 = "f3";
          f4 = "f4";
          f5 = "f5";
          f6 = "f6";
          f7 = "f7";
          f8 = "f8";
          f9 = "f9";
          f10 = "f10";
          f13 = "f12";
          back = "f1";
          forward = "f2";
          refresh = "f3";
          zoom = "f4";
          scale = "f5";
          brightnessdown = "f6";
          brightnessup = "f7";
          mute = "f8";
          volumedown = "f9";
          volumeup = "f10";
        };
        alt = {
          backspace = "delete";
          meta = "capslock";
          brightnessdown = "kbdillumdown";
          brightnessup = "kbdillumup";
          f5 = "print";
          f6 = "kbdillumdown";
          f7 = "kbdillumup";
          scale = "print";
        };
        controlalt.backspace = "C-A-delete";
      };
    };
  };

  hardware.sensor.iio.enable = true;
  hardware.enableRedistributableFirmware = true;

  security.wrappers.ectool = lib.mkDefault {
    setuid = true;
    owner = "root";
    group = "root";
    source = ectool;
  };

  boot.extraModprobeConfig = ''
    options snd_intel_dspcfg dsp_driver=3
  '';
  environment = {
    systemPackages = [pkgs.sof-firmware];
    sessionVariables.ALSA_CONFIG_UCM2 = lib.mkDefault "${perSystem.cros.alsa-ucm-conf-cros}/share/alsa/ucm2";
    etc = {
      "wireplumber/conf.d/51-increase-headroom.lua".text = ''
        monitor.alsa.rules = [
          {
            matches = [
              {
                node.name = "~alsa_output.*"
              }
            ]
            actions = {
              update-props = {
                api.alsa.headroom = 2048
              }
            }
          }
        ]
      '';
    };
  };

  # system.replaceDependencies.replacements = [
  #   {
  #     original = pkgs.alsa-ucm-conf;
  #     replacement = perSystem.cros.alsa-ucm-conf-cros;
  #   }
  # ];
}