From c987206bc5e4bf84ea7bfb93a134f435c720ebae Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Mon, 25 Apr 2022 15:12:16 +0200
Subject: [PATCH] modules: hardware: bluetooth: add wireplumber conf

Now that `media-session` is deprecated, I should at least replicate this
configuration for `wireplumber`.
---
 modules/hardware/bluetooth/default.nix | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/modules/hardware/bluetooth/default.nix b/modules/hardware/bluetooth/default.nix
index ffe0fbe..6aeb7dc 100644
--- a/modules/hardware/bluetooth/default.nix
+++ b/modules/hardware/bluetooth/default.nix
@@ -25,6 +25,21 @@ in
         package = pkgs.pulseaudioFull;
       };
 
+      # FIXME: waiting for NixOS module configuration
+      environment.etc = {
+        "wireplumber/bluetooth.lua.d/50-bluez-config.lua".text = ''
+          bluez_monitor.properties = {
+            ["bluez5.headset-roles"] = "[ hsp_hs hsp_ag hfp_hf hfp_ag ]"
+            -- mSBC provides better audio + microphone
+            ["bluez5.enable-msbc"] = true,
+            -- SBC XQ provides better audio
+            ["bluez5.enable-sbc-xq"] = true,
+            -- Hardware volume control
+            ["bluez5.enable-hw-volume"] = true,
+          }
+        '';
+      };
+
       services.pipewire = {
         media-session.config.bluez-monitor.rules = [
           {