Move PreSonus Studio patch to module

hosts/odyssey/audio.nix

@@ -1,47 +0,0 @@
-{ config, lib, pkgs, ... }:
-let
-  snd-usb-audio-module = pkgs.callPackage ./snd-usb-audio.nix {
-    kernel = config.boot.kernelPackages.kernel;
-  };
-  patched = snd-usb-audio-module.overrideAttrs (prev: {
-    patches = [ ./0001-Update-device-ID-for-PreSonus-1824c.patch ];
-  });
-  upmixConfig = ''
-    stream.properties = {
-      channelmix.upmix = true
-      channelmix.upmix-method = psd
-    }
-  '';
-in {
-  boot.kernelModules = [ "snd-usb-audio" ];
-  boot.extraModulePackages = [
-    (patched)
-  ];
-
-  environment.etc = {
-    "pipewire/pipewire.conf.d/surround.conf".text = ''
-      context.modules = [
-        {
-          name = libpipewire-module-loopback
-          args = {
-            node.description = "Genelec 4.1 Surround"
-            capture.props = {
-              node.name = "Genelec_Speakers"
-              media.class = "Audio/Sink"
-              audio.position = [ FL FR SL SR LFE ]
-            }
-            playback.props = {
-              node.name = "playback.Genelec_Speakers"
-              audio.position = [ AUX0 AUX1 AUX3 AUX4 AUX5 ]
-              target.object = "alsa_output.usb-PreSonus_Studio_1824c_SC4E21110775-00.multichannel-output"
-              stream.dont-remix = true
-              node.passive = true
-            }
-          }
-        }
-      ]
-    '';
-    "pipewire/pipewire-pulse.conf.d/40-upmix.conf".text = upmixConfig;
-    "pipewire/client-rt.conf.d/40-upmix.conf".text = upmixConfig;
-  };
- } 

hosts/odyssey/default.nix

@@ -3,7 +3,6 @@
 {
   imports = [
     ./hardware-configuration.nix
-    ./audio.nix
     ../desktop.nix
   ];
 
@@ -73,6 +72,7 @@
       neovim.enable = true;
       vscode.enable = true;
     };
+    hardware.presonus-studio.enable = true;
     security = {
       gpg.enable = true;
       pass.enable = true;

modules/default.nix

@@ -25,6 +25,7 @@
     ./dev/zig.nix
     ./editors/neovim
     ./editors/vscode.nix
+    ./hardware/presonus-studio.nix
     ./networking/tailscale.nix
     ./networking/wireless.nix
     ./security/gpg.nix

modules/hardware/presonus-studio.nix

@@ -0,0 +1,69 @@
+{ config, lib, pkgs, ... }:
+let
+  cfg = config.modules.hardware.presonus-studio;
+  snd-usb-audio-module = pkgs.callPackage ./snd-usb-audio.nix {
+    kernel = config.boot.kernelPackages.kernel;
+  };
+  patched = snd-usb-audio-module.overrideAttrs (prev: {
+    patches = [ ./0001-Update-device-ID-for-PreSonus-1824c.patch ];
+  });
+  upmixConfig = ''
+    stream.properties = {
+      channelmix.upmix = true
+      channelmix.upmix-method = psd
+    }
+  '';
+in {
+  options.modules.hardware.presonus-studio = {
+    enable = lib.mkOption {
+      default = false;
+      example = true;
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    boot.kernelModules = [ "snd-usb-audio" ];
+    boot.extraModulePackages = [
+      (patched)
+    ];
+
+    environment.etc = {
+      "pipewire/pipewire.conf.d/10-network.conf".text = ''
+        context.modules = [
+          {
+            name = libpipewire-module-rtp-session
+            args = {
+              stream.props = {
+                node.name = "rtp-source"
+              }
+            }
+          }
+        ]
+      '';
+      "pipewire/pipewire.conf.d/surround.conf".text = ''
+        context.modules = [
+          {
+            name = libpipewire-module-loopback
+            args = {
+              node.description = "Genelec 4.1 Surround"
+              capture.props = {
+                node.name = "Genelec_Speakers"
+                media.class = "Audio/Sink"
+                audio.position = [ FL FR SL SR LFE ]
+              }
+              playback.props = {
+                node.name = "playback.Genelec_Speakers"
+                audio.position = [ AUX0 AUX1 AUX3 AUX4 AUX5 ]
+                target.object = "alsa_output.usb-PreSonus_Studio_1824c_SC4E21110775-00.multichannel-output"
+                stream.dont-remix = true
+                node.passive = true
+              }
+            }
+          }
+        ]
+      '';
+      "pipewire/pipewire-pulse.conf.d/40-upmix.conf".text = upmixConfig;
+      "pipewire/client-rt.conf.d/40-upmix.conf".text = upmixConfig;
+    };
+  };
+ }