From 58e6cad052a1904bf9f58ab723e281b472101ebb Mon Sep 17 00:00:00 2001
From: Simon Bruder <simon@sbruder.de>
Date: Mon, 8 Nov 2021 18:04:14 +0100
Subject: [PATCH] pipewire: Remove hacky override of bluez quirks db

Nixpkgs now treats it as data, so it is not set in the module.

As an alternative, hardware volume is disabled globally.
---
 modules/pipewire.nix | 23 ++++++++---------------
 1 file changed, 8 insertions(+), 15 deletions(-)

diff --git a/modules/pipewire.nix b/modules/pipewire.nix
index 2fd8f7b..60b868b 100644
--- a/modules/pipewire.nix
+++ b/modules/pipewire.nix
@@ -12,22 +12,15 @@ lib.mkIf config.sbruder.gui.enable {
       enable = true;
       support32Bit = true;
     };
-  };
 
-  # not exposed in NixOS module
-  environment.etc."pipewire/media-session.d/bluez-hardware.conf".source = lib.mkForce ((pkgs.formats.json { }).generate "bluez-hardware.conf" (
-    let
-      defaults = (builtins.fromJSON (builtins.readFile "${modulesPath}/services/desktops/pipewire/bluez-hardware.conf.json"));
-    in
-    defaults // {
-      "bluez5.features.device" = defaults."bluez5.features.device" ++ [
-        # Sennheiser HD 4.50BTNC has unreliable hardware volume control (too
-        # frequent changes cause it to not apply the changes) and sometimes
-        # crashes (disconnects and shuts off) after too many changes.
-        { name = "HD 4.50BTNC"; no-features = [ "hw-volume" ]; }
-      ];
-    }
-  ));
+    media-session = {
+      config = {
+        bluez-monitor = {
+          "bluez5.enable-hw-volume" = true;
+        };
+      };
+    };
+  };
 
   environment.systemPackages = with pkgs; [
     pavucontrol