From d959aa19a1f99e53ad3bf18f83319c5190a95fd5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cyryl=20P=C5=82otnicki?= <cyplo@cyplo.dev>
Date: Wed, 27 Mar 2024 19:34:34 +0000
Subject: [PATCH] tweak sound latency settings

---
 nixos/boxes/yoga/default.nix | 34 +++------------
 nixos/common-hardware.nix    | 81 +++++++++++++++++-------------------
 nixos/gui/default.nix        |  2 +-
 3 files changed, 44 insertions(+), 73 deletions(-)

diff --git a/nixos/boxes/yoga/default.nix b/nixos/boxes/yoga/default.nix
index c41e2280..520e4445 100644
--- a/nixos/boxes/yoga/default.nix
+++ b/nixos/boxes/yoga/default.nix
@@ -1,12 +1,4 @@
-{
-  config,
-  pkgs,
-  inputs,
-  lib,
-  system,
-  nixpkgs-nixos-unstable-and-unfree,
-  ...
-}: {
+{ config, pkgs, inputs, lib, system, nixpkgs-nixos-unstable-and-unfree, ... }: {
   networking.hostName = "yoga";
 
   imports = [
@@ -22,9 +14,9 @@
   hardware.trackpoint.enable = true;
   services.hardware.bolt.enable = true;
 
-  services.fprintd = {enable = true;};
+  services.fprintd = { enable = true; };
 
-  home-manager.users.cyryl = {lib, ...}: {home.packages = with pkgs; [];};
+  home-manager.users.cyryl = { lib, ... }: { home.packages = with pkgs; [ ]; };
 
   networking.networkmanager.enable = true;
 
@@ -51,30 +43,14 @@
 
   services.printing.enable = true;
 
-  sound.enable = true;
-  hardware.pulseaudio.enable = false;
-  security.rtkit.enable = true;
-  services.pipewire = {
-    enable = true;
-    alsa.enable = true;
-    alsa.support32Bit = true;
-    pulse.enable = true;
-    # If you want to use JACK applications, uncomment this
-    #jack.enable = true;
-
-    # use the example session manager (no others are packaged yet so this is enabled by default,
-    # no need to redefine it in your config for now)
-    #media-session.enable = true;
-  };
-
   # Enable touchpad support (enabled default in most desktopManager).
   # services.xserver.libinput.enable = true;
 
   users.users.cyryl = {
     isNormalUser = true;
     description = "cyryl";
-    extraGroups = ["networkmanager" "wheel"];
-    packages = with pkgs; [];
+    extraGroups = [ "networkmanager" "wheel" ];
+    packages = with pkgs; [ ];
   };
 
   services.fwupd.enable = true;
diff --git a/nixos/common-hardware.nix b/nixos/common-hardware.nix
index cf932877..4c8ff096 100644
--- a/nixos/common-hardware.nix
+++ b/nixos/common-hardware.nix
@@ -1,41 +1,33 @@
-{
-  config,
-  pkgs,
-  nixpkgs-nixos-unstable-and-unfree,
-  lib,
-  ...
-}: {
-  boot.kernelModules = ["fuse"];
+{ config, pkgs, nixpkgs-nixos-unstable-and-unfree, lib, ... }: {
+  boot.kernelModules = [ "fuse" ];
   services.smartd.enable = true;
 
   sound.enable = true;
 
   networking.networkmanager = {
     enable = true;
-    dispatcherScripts = [
-      {
-        source = pkgs.writeText "upHook" ''
-          enable_disable_wifi ()
-          {
-            result=$(nmcli dev | grep "ethernet" | grep -w "connected")
-            if [ -n "$result" ]; then
-              nmcli radio wifi off
-            else
-              nmcli radio wifi on
-            fi
-          }
-
-          if [ "$2" = "up" ]; then
-            enable_disable_wifi
+    dispatcherScripts = [{
+      source = pkgs.writeText "upHook" ''
+        enable_disable_wifi ()
+        {
+          result=$(nmcli dev | grep "ethernet" | grep -w "connected")
+          if [ -n "$result" ]; then
+            nmcli radio wifi off
+          else
+            nmcli radio wifi on
           fi
+        }
 
-          if [ "$2" = "down" ]; then
-            enable_disable_wifi
-          fi
-        '';
-        type = "basic";
-      }
-    ];
+        if [ "$2" = "up" ]; then
+          enable_disable_wifi
+        fi
+
+        if [ "$2" = "down" ]; then
+          enable_disable_wifi
+        fi
+      '';
+      type = "basic";
+    }];
   };
 
   hardware.enableRedistributableFirmware = true;
@@ -44,11 +36,9 @@
   hardware.bluetooth = {
     enable = true;
     package = pkgs.bluez;
-    settings = {General = {Enable = "Source,Sink,Media,Socket";};};
+    settings = { General = { Enable = "Source,Sink,Media,Socket"; }; };
   };
 
-  services.blueman.enable = true;
-
   hardware.pulseaudio.enable = false;
   security.rtkit.enable = true;
   services.pipewire = {
@@ -56,14 +46,17 @@
     alsa.enable = true;
     alsa.support32Bit = true;
     pulse.enable = true;
-    # If you want to use JACK applications, uncomment this
-    #jack.enable = true;
-
-    # use the example session manager (no others are packaged yet so this is enabled by default,
-    # no need to redefine it in your config for now)
-    #media-session.enable = true;
+    extraConfig.pipewire."92-low-latency" = {
+      context.properties = {
+        default.clock.rate = 48000;
+        default.clock.quantum = 32;
+        default.clock.min-quantum = 32;
+        default.clock.max-quantum = 32;
+      };
+    };
   };
-  environment.systemPackages = with pkgs; [ghostscript poppler];
+
+  environment.systemPackages = with pkgs; [ ghostscript poppler ];
   services.printing = {
     enable = true;
     drivers = with pkgs; [
@@ -81,7 +74,8 @@
       description = "Epson XP-540 via bolty";
       name = "epson_xp540_via_bolty";
       deviceUri = "ipp://bolty:631/printers/epson_xp540";
-      model = "epson-inkjet-printer-escpr/Epson-XP-540_Series-epson-escpr-en.ppd";
+      model =
+        "epson-inkjet-printer-escpr/Epson-XP-540_Series-epson-escpr-en.ppd";
       ppdOptions = {
         PageSize = "A4";
         Duplex = "DuplexNoTumble";
@@ -90,7 +84,8 @@
     {
       description = "Samsung SCX-4623 Series";
       name = "samsung-SCX-4623";
-      deviceUri = "usb://Samsung/SCX-4623%20Series?serial=Z2TYBFFZC01007W&interface=1";
+      deviceUri =
+        "usb://Samsung/SCX-4623%20Series?serial=Z2TYBFFZC01007W&interface=1";
       model = "samsung/SCX-4623FW.ppd";
       ppdOptions = {
         PageSize = "A4";
@@ -99,7 +94,7 @@
     }
   ];
 
-  services.udev.packages = [];
+  services.udev.packages = [ ];
   hardware.sane = {
     enable = true;
     snapshot = true;
diff --git a/nixos/gui/default.nix b/nixos/gui/default.nix
index bef6aab9..c016b38c 100644
--- a/nixos/gui/default.nix
+++ b/nixos/gui/default.nix
@@ -72,7 +72,7 @@
         yubikey-manager-qt
         yubikey-personalization
         yubikey-personalization-gui
-      ]) ++ (with nixpkgs-nixos-unstable; [ gnucash thunderbird ])
+      ]) ++ (with nixpkgs-nixos-unstable; [ thunderbird ])
       ++ [ nixpkgs-nixos-stable-and-unfree.discord ]
       ++ (with nixpkgs-nixos-unstable-and-unfree; [
         hopper