From 42ec21a27cfab10b45bae466ef5c86593baf957c Mon Sep 17 00:00:00 2001
From: dadada <dadada@dadada.li>
Date: Sun, 25 Oct 2020 19:24:43 +0100
Subject: [PATCH] t14s: init

Copied from t495.
---
 README.md                        |  1 +
 flake.nix                        |  1 +
 lenovo/thinkpad/t14s/default.nix | 16 ++++++++++++++++
 3 files changed, 18 insertions(+)
 create mode 100644 lenovo/thinkpad/t14s/default.nix

diff --git a/README.md b/README.md
index 83b5c1d..8f36405 100644
--- a/README.md
+++ b/README.md
@@ -100,6 +100,7 @@ See code for all available configurations.
 | Lenovo ThinkPad L14 (Intel)       | `<nixos-hardware/lenovo/thinkpad/l14/intel>        |
 | Lenovo ThinkPad L14 (AMD)         | `<nixos-hardware/lenovo/thinkpad/l14/amd>          |
 | Lenovo ThinkPad P53               | `<nixos-hardware/lenovo/thinkpad/p53>`             |
+| Lenovo ThinkPad T14s              | `<nixos-hardware/lenovo/thinkpad/t14s>`            |
 | Lenovo ThinkPad T410              | `<nixos-hardware/lenovo/thinkpad/t410>`            |
 | Lenovo ThinkPad T420              | `<nixos-hardware/lenovo/thinkpad/t420>`            |
 | Lenovo ThinkPad T430              | `<nixos-hardware/lenovo/thinkpad/t430>`            |
diff --git a/flake.nix b/flake.nix
index a4d562d..da24084 100644
--- a/flake.nix
+++ b/flake.nix
@@ -34,6 +34,7 @@
       lenovo-thinkpad-l14-intel = import ./lenovo/thinkpad/l14/intel;
       lenovo-thinkpad-l14-amd = import ./lenovo/thinkpad/l14/amd;
       lenovo-thinkpad-p53 = import ./lenovo/thinkpad/p53;
+      lenovo-thinkpad-t14s = import ./lenovo/thinkpad/t14s;
       lenovo-thinkpad-t410 = import ./lenovo/thinkpad/t410;
       lenovo-thinkpad-t420 = import ./lenovo/thinkpad/t420;
       lenovo-thinkpad-t430 = import ./lenovo/thinkpad/t430;
diff --git a/lenovo/thinkpad/t14s/default.nix b/lenovo/thinkpad/t14s/default.nix
new file mode 100644
index 0000000..64957e6
--- /dev/null
+++ b/lenovo/thinkpad/t14s/default.nix
@@ -0,0 +1,16 @@
+{ config, lib, pkgs, ... }:
+
+{
+  imports = [
+    ../.
+    ../../../common/cpu/amd
+    ../../../common/pc/laptop/acpi_call.nix
+  ];
+
+  # 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" ];
+
+  # see https://github.com/NixOS/nixpkgs/issues/69289
+  boot.kernelPackages = lib.mkIf (lib.versionOlder pkgs.linux.version "5.2") pkgs.linuxPackages_latest;
+}