add a bluetooth module

hardware/asus/configuration.nix

@@ -8,6 +8,7 @@
   imports =
     [ # Include the results of the hardware scan.
       ../../common/desktop.nix
+      ../bluetooth.nix
       ./hardware-configuration.nix
     ];
 

hardware/blueooth.nix

@@ -0,0 +1,23 @@
+# Edit this configuration file to define what should be installed on
+# your system.  Help is available in the configuration.nix(5) man page
+# and in the NixOS manual (accessible by running ‘nixos-help’).
+
+{ config, pkgs, ... }:
+
+{
+  # Blueooth support in general
+  hardware.bluetooth = {
+    enable = true;
+    powerOnBoot = false;
+  };
+
+  # Blueman applet
+  services.blueman.enable = true;
+
+  # aptx/LDAC support
+  hardware.pulseaudio = {
+    extraModules = [ pkgs.pulseaudio-modules-bt ];
+    package = pkgs.pulseaudioFull;
+  };
+}
+

hardware/xps5530/configuration.nix

@@ -8,6 +8,7 @@
   imports =
     [ # Include the results of the hardware scan.
       ../../common/desktop.nix
+      ../bluetooth.nix
       ./hardware-configuration.nix
     ];