nixos-hardware/lenovo/thinkpad/l14/default.nix

{
  imports = [
    ../.
    ../../../common/pc/laptop/ssd
  ];

  boot.kernelParams = [
    # Force use of the thinkpad_acpi driver for backlight control.
    # This allows the backlight save/load systemd service to work.
    "acpi_backlight=native"
  ];
}