2 files changed, 24 insertions, 1 deletions
diff --git a/machines/common/base.nix b/machines/common/base.nix
index 46c82d9..4146d98 100644
--- a/machines/common/base.nix
+++ b/machines/common/base.nix
@@ -3,6 +3,8 @@
     enable = true;
   };
 
+  security.polkit.enable = true;
+
   nix.settings.experimental-features = [
       "nix-command"
       "flakes"
diff --git a/machines/common/x11.nix b/machines/common/x11.nix
index ed2084a..7fca346 100644
--- a/machines/common/x11.nix
+++ b/machines/common/x11.nix
@@ -1,4 +1,25 @@
-{...}: {
+{pkgs, ...}: {
+  environment.systemPackages = [pkgs.brightnessctl];
+
+  # brightness keys, handled at the evdev level so they work in any WM
+  services.actkbd = {
+    enable = true;
+    bindings = [
+      {
+        # XF86MonBrightnessUp
+        keys = [225];
+        events = ["key"];
+        command = "${pkgs.brightnessctl}/bin/brightnessctl set 5%+";
+      }
+      {
+        # XF86MonBrightnessDown
+        keys = [224];
+        events = ["key"];
+        command = "${pkgs.brightnessctl}/bin/brightnessctl set 5%-";
+      }
+    ];
+  };
+
   services.displayManager.ly = {
     enable = true;
     x11Support = true;