bluetooth

modules/nixos/desktop/plasma/default.nix

@@ -35,6 +35,10 @@ in
             enable = true;
             wayland.enable = cfg.wayland.enable;
           };
+
+          # Required for Bluetooth D-Bus policy (allows WirePlumber/PipeWire
+          # to communicate with bluetoothd on the system bus).
+          blueman.enable = true;
         };
 
         xdg.portal.extraPortals = [ ];

systems/aarch64-linux/macbook-pro-nixos/default.nix

@@ -27,6 +27,25 @@
     setupAsahiSound = true;
   };
 
+  # Workaround for Apple BCM Bluetooth firmware not sending completion ACKs.
+  # Without this, WirePlumber spams "Missing completion reports for packet:
+  # Bluetooth adapter firmware bug?" and audio over BT is unreliable.
+  hardware.bluetooth.settings = {
+    Policy = {
+      AutoEnable = true;
+    };
+  };
+
+  services.pipewire.wireplumber.extraConfig = {
+    "51-bluetooth-apple-fix" = {
+      "monitor.bluez.properties" = {
+        "bluez5.msbc-support" = false;
+        "bluez5.sbc-xq-support" = false;
+        "bluez5.hw-offload-sco" = false;
+      };
+    };
+  };
+
   ${namespace} = {
     headless.enable = false;