Switch to the backlight controller brillo

hosts/seb-laptop/default.nix

@@ -31,4 +31,6 @@
 
     boot.kernelPackages = pkgs.linuxPackages_latest;
     services.gvfs.enable = true;
+    
+    hardware.brillo.enable = true;
 }

modules/home/de/qtile.nix

@@ -17,7 +17,6 @@ in {
 
             # Hotkey dependencies
             pkgs.playerctl
-            pkgs.brightnessctl
         ];
 
         home.file.".background-image".source = cfg.wallpaper;
@@ -37,6 +36,13 @@ in {
         services.dunst.enable = true;
 
         xdg.configFile."qtile/config.py".text = let
+            backlightKeys =
+                if cfg.widget.backlight.enable
+                then ''
+                    Key([], "XF86MonBrightnessUp", lazy.spawn("brillo -q -s ${cfg.widget.backlight.device} -u 50000 -A 4"), desc="Raise brightness"),
+                    Key([], "XF86MonBrightnessDown", lazy.spawn("brillo -q -s ${cfg.widget.backlight.device} -u 50000 -U 4"), desc="Lower brightness"),
+                ''
+                else "";
             backlightWidget =
                 if cfg.widget.backlight.enable
                 then ''
@@ -100,8 +106,7 @@ in {
             	Key([], "XF86AudioRaiseVolume", lazy.spawn("wpctl set-volume @DEFAULT_AUDIO_SINK@ 5%+"), desc="Raise volume"),
 
             	# Brightness controls
-            	Key([], "XF86MonBrightnessUp", lazy.spawn("brightnessctl set +5%"), desc="Raise brightness"),
+            	${backlightKeys}
-            	Key([], "XF86MonBrightnessDown", lazy.spawn("brightnessctl set 5%-"), desc="Lower brightness"),
 
             	# Move window focus
             	Key([mod], left, lazy.layout.left(), desc="Move focus to left"),

users/seb/default.nix

@@ -7,7 +7,7 @@
         isNormalUser = true;
         description = "Sebastian Stork";
         hashedPasswordFile = config.sops.secrets."password/seb".path;
-        extraGroups = ["wheel" "networkmanager" "libvirtd"];
+        extraGroups = ["wheel" "networkmanager" "libvirtd" "video"];
     };
 
     home-manager.users.seb = ./home.nix;