anchor.diff:        kernel.sysctl = { "vm.swappiness" = 10; };
   
         kernelModules =
  -        if cfg.alsaSeq.enable then
  -          [ "snd-seq"
  -            "snd-rawmidi"
  -          ]
  -        else [ ];
  +        if cfg.alsaSeq.enable
  +          then [ "snd-seq"
  +                 "snd-rawmidi"
  +               ]
  +          else [];
   
         kernelPackages = let
           rtKernel =
  
positive.code:       '';
      };
  
      environment.systemPackages = with pkgs;
        if cfg.ffado.enable then
          [ pkgs.ffado ]
        else [ ];
  
      powerManagement.cpuFreqGovernor = "performance";
  
  
negative.code: 
      services.udev = {
        packages =
          if cfg.ffado.enable
            then [ pkgs.ffado ]
            else [];
  
        extraRules = ''
          KERNEL=="rtc0", GROUP="audio"
  