From a29f64c22f331e1a1c650d4289dd891303c3766e Mon Sep 17 00:00:00 2001
From: K900 <me@0upti.me>
Date: Thu, 16 Jun 2022 11:17:54 +0300
Subject: [PATCH] powerdevil: fix brightness wonkiness on some laptops

See: https://bugs.kde.org/show_bug.cgi?id=454161
---
 pkgs/desktops/plasma-5/powerdevil.nix | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/pkgs/desktops/plasma-5/powerdevil.nix b/pkgs/desktops/plasma-5/powerdevil.nix
index 47551cedfb2c..df575fcb987a 100644
--- a/pkgs/desktops/plasma-5/powerdevil.nix
+++ b/pkgs/desktops/plasma-5/powerdevil.nix
@@ -9,6 +9,15 @@
 mkDerivation {
   pname = "powerdevil";
   nativeBuildInputs = [ extra-cmake-modules kdoctools ];
+  patches = [
+    # Backported fix for https://bugs.kde.org/show_bug.cgi?id=454161
+    # FIXME: remove for next release
+    (fetchpatch {
+      name = "brightness-overflow-fix";
+      url = "https://invent.kde.org/plasma/powerdevil/-/commit/2ebe655d220c9167b66893a823b2fff2e2b8a531.patch";
+      sha256 = "sha256-Sf2q0CImLYjy1fTp9AWbCeRG05liUkemhfEXL/0MIQI=";
+    })
+  ];
   buildInputs = [
     kconfig kdbusaddons knotifyconfig solid udev bluez-qt kactivities kauth
     kglobalaccel ki18n kio kidletime kwayland libkscreen