From 38ca7ab438af8147e8b5c022efacb2790eefd51c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kier=C3=A1n=20Meinhardt?= <kieran.meinhardt@gmail.com>
Date: Sat, 15 Jun 2019 17:50:57 +0200
Subject: [PATCH] homeros: try to fix backlight

---
 systems/homeros/configuration.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/systems/homeros/configuration.nix b/systems/homeros/configuration.nix
index 4c3e529..72d6625 100644
--- a/systems/homeros/configuration.nix
+++ b/systems/homeros/configuration.nix
@@ -14,6 +14,13 @@
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
 
+  boot.kernelParams = [
+    "acpi_backlight=none"
+    "acpi_backlight=video"
+    "acpi_backlight=vendor"
+    "acpi_backlight=native"
+  ];
+
   networking.hostName = "homeros";
 
   system.stateVersion = "19.03";