bluetooth.nix

  hardware.pulseaudio.enable = true;
  # https://askubuntu.com/questions/113704/make-pulseaudio-prefer-external-audio-device
  hardware.pulseaudio.extraConfig = ''
    load-module module-switch-on-connect
    load-module module-switch-on-port-available
    load-module module-bluetooth-discover
    load-module module-bluetooth-policy
    load-module module-bluez5-discover
    #load-module module-bluez5-device
  '';
  hardware.bluetooth.enable = true;
  # A2DP support
  hardware.bluetooth.extraConfig = "
    [General]
    Enable=Source,Sink,Media,Socket
  ";
  hardware.pulseaudio.package = pkgs.pulseaudioFull;
  hardware.pulseaudio.extraModules = [ pkgs.pulseaudio-modules-bt ];