From 6ed5521636c7b40b800a014f26f0eaaa210c2e30 Mon Sep 17 00:00:00 2001
From: kurogeek <panupong.jtp@gmail.com>
Date: Mon, 5 Aug 2024 15:11:30 +0700
Subject: [PATCH] thinkpad-t14-gen1: add a kernel param for touchpad to work
 properly

---
 lenovo/thinkpad/t14/default.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lenovo/thinkpad/t14/default.nix b/lenovo/thinkpad/t14/default.nix
index 3466e95..b6fd228 100644
--- a/lenovo/thinkpad/t14/default.nix
+++ b/lenovo/thinkpad/t14/default.nix
@@ -14,7 +14,11 @@
 
   # 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" ];
+  boot.kernelParams = [
+    "acpi_backlight=native"
+    # Needed for touchpad to work properly (click doesn't register by pushing down the touchpad).
+    "psmouse.synaptics_intertouch=0"
+  ];
 
   # see https://github.com/NixOS/nixpkgs/issues/69289
   boot.kernelPackages = lib.mkIf (lib.versionOlder pkgs.linux.version "5.2") pkgs.linuxPackages_latest;