WIP: Do something about audio crackling?

flake.nix

@@ -41,6 +41,11 @@
       };
     };
 
+    musnix = {
+      url = "github:musnix/musnix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
     # home-manager related inputs
     home-manager = {
       url = "github:nix-community/home-manager/release-23.11";

nixos-config/default.nix

@@ -65,7 +65,7 @@
   boot = {
     tmp.cleanOnBoot = true;
     plymouth.enable = true;
-    kernelPackages = pkgs.linuxKernel.packages.linux_xanmod_latest;
+    kernelPackages = pkgs.linuxKernel.packages.linux_xanmod;
 
     loader = {
       timeout = 0;

nixos-config/hosts/yui/default.nix

@@ -12,6 +12,7 @@ in {
     flake-inputs.nixos-hardware.nixosModules.common-pc-ssd
     flake-inputs.nixos-hardware.nixosModules.common-cpu-amd-pstate
     flake-inputs.nixos-hardware.nixosModules.common-gpu-nvidia-nonprime
+    flake-inputs.musnix.nixosModules.musnix
 
     ./games.nix
     ./hardware-configuration.nix
@@ -68,6 +69,11 @@ in {
 
   fileSystems."/nix".options = ["defaults" "noatime"];
 
+  musnix = {
+    enable = true;
+    soundcardPciId = "09:00.4";
+  };
+
   # Fix broken suspend on b550i motherboard
   #
   # The rule is a bit overzealous, as it disables wake from *either*
@@ -86,5 +92,5 @@ in {
 
   # For random android-related things
   programs.adb.enable = true;
-  users.users.tlater.extraGroups = ["adbusers"];
+  users.users.tlater.extraGroups = ["adbusers" "audio"];
 }

nixos-config/hosts/yui/games.nix

@@ -11,7 +11,10 @@
   environment.systemPackages = [pkgs.mangohud];
 
   # Appears to resolve issues with crackling audio under high load
-  services.pipewire.lowLatency.enable = true;
+  services.pipewire.lowLatency = {
+    enable = true;
+    quantum = 128;
+  };
 
   # Make steam controller work
   hardware.steam-hardware.enable = true;