Add ThinkPad T14 Intel Gen 6 support

README.md

@@ -288,6 +288,7 @@ See code for all available configurations.
 | [Lenovo ThinkPad T14 AMD Gen 4](lenovo/thinkpad/t14/amd/gen4)                     | `<nixos-hardware/lenovo/thinkpad/t14/amd/gen4>`         | `lenovo-thinkpad-t14-amd-gen4`    |
 | [Lenovo ThinkPad T14 AMD Gen 5](lenovo/thinkpad/t14/amd/gen5)                     | `<nixos-hardware/lenovo/thinkpad/t14/amd/gen5>`         | `lenovo-thinkpad-t14-amd-gen5`    |
 | [Lenovo ThinkPad T14](lenovo/thinkpad/t14)                                        | `<nixos-hardware/lenovo/thinkpad/t14>`                  | `lenovo-thinkpad-t14`              |
+| [Lenovo ThinkPad T14 Intel Gen 6](lenovo/thinkpad/t14/intel/gen6)                | `<nixos-hardware/lenovo/thinkpad/t14/intel/gen6>`       | `lenovo-thinkpad-t14-intel-gen6`   |
 | [Lenovo ThinkPad T14s AMD Gen 1](lenovo/thinkpad/t14s/amd/gen1)                   | `<nixos-hardware/lenovo/thinkpad/t14s/amd/gen1>`        | `lenovo-thinkpad-t14s-amd-gen1`    |
 | [Lenovo ThinkPad T14s AMD Gen 4](lenovo/thinkpad/t14s/amd/gen4)                   | `<nixos-hardware/lenovo/thinkpad/t14s/amd/gen4>`        | `lenovo-thinkpad-t14s-amd-gen4`    |
 | [Lenovo ThinkPad T14s](lenovo/thinkpad/t14s)                                      | `<nixos-hardware/lenovo/thinkpad/t14s>`                 | `lenovo-thinkpad-t14s`             |

flake.nix

@@ -223,6 +223,7 @@
           lenovo-thinkpad-t14-amd-gen3 = import ./lenovo/thinkpad/t14/amd/gen3;
           lenovo-thinkpad-t14-amd-gen4 = import ./lenovo/thinkpad/t14/amd/gen4;
           lenovo-thinkpad-t14-amd-gen5 = import ./lenovo/thinkpad/t14/amd/gen5;
+          lenovo-thinkpad-t14-intel-gen6 = import ./lenovo/thinkpad/t14/intel/gen6;
           lenovo-thinkpad-t14s = import ./lenovo/thinkpad/t14s;
           lenovo-thinkpad-t14s-amd-gen1 = import ./lenovo/thinkpad/t14s/amd/gen1;
           lenovo-thinkpad-t14s-amd-gen4 = import ./lenovo/thinkpad/t14s/amd/gen4;

lenovo/thinkpad/t14/intel/default.nix

@@ -0,0 +1,9 @@
+{ lib, pkgs, ... }:
+
+{
+  imports = [
+    ../.
+    ../../../../common/cpu/intel
+    ../../../../common/gpu/intel
+  ];
+}

lenovo/thinkpad/t14/intel/gen6/default.nix

@@ -0,0 +1,60 @@
+{
+  lib,
+  pkgs,
+  config,
+  ...
+}:
+
+{
+  imports = [
+    ../../.
+    ../../../../../common/cpu/intel/lunar-lake
+  ];
+
+  # T14 Gen 6 uses Intel Core Ultra processors (Lunar Lake architecture)
+  # with integrated Intel Arc graphics
+  # The lunar-lake module already includes appropriate GPU support
+
+  # Ensure modern kernel for full Lunar Lake support
+  boot.kernelPackages = lib.mkIf (lib.versionOlder pkgs.linux.version "6.8") pkgs.linuxPackages_latest;
+
+  # TODO: Looking for feedback on these kernel parameters for T14 Gen 6
+  # Force use of the thinkpad_acpi driver for backlight control
+  # This allows the backlight save/load systemd service to work
+  boot.kernelParams = [
+    "acpi_backlight=native"
+    # TODO: Looking for feedback - touchpad fix needed for proper click registration on some T14 models
+    "psmouse.synaptics_intertouch=0"
+  ];
+
+  # TODO: Looking for feedback - modern Intel CPUs don't typically need throttled service
+  # which can interfere with newer power management on Lunar Lake
+  services.throttled.enable = lib.mkDefault false;
+
+  # Enable fingerprint reader support
+  # NOTE: PAM configuration should be done in host config to avoid login issues
+  # See: https://github.com/NixOS/nixpkgs/issues/171136
+  services.fprintd.enable = lib.mkDefault true;
+
+  # For complete fingerprint authentication in GNOME, add the following to your host config:
+  #
+  # security.pam.services = {
+  #   # Enable fingerprint authentication for sudo
+  #   sudo.fprintAuth = lib.mkDefault true;
+  #
+  #   # Enable fingerprint authentication for su
+  #   su.fprintAuth = lib.mkDefault true;
+  #
+  #   # Enable fingerprint authentication for screen unlock
+  #   xscreensaver.fprintAuth = lib.mkDefault true;
+  #
+  #   # WARNING: login.fprintAuth may break GDM password authentication
+  #   # Only enable if you understand the risks:
+  #   # login.fprintAuth = lib.mkDefault true;
+  # };
+  #
+  # After configuration:
+  # 1. Rebuild your system
+  # 2. Enroll fingerprint: sudo fprintd-enroll $USER
+  # 3. Test sudo and screen unlock with fingerprint
+}