wip

hosts/common/features/pipewire.nix

@@ -7,5 +7,30 @@
     alsa.enable = true;
     alsa.support32Bit = true;
     pulse.enable = true;
+
+    # Disable the LC3-SWB HFP codec. BlueZ 5.86's experimental LC3 super-wideband
+    # headset path (lit up by hardware.bluetooth Experimental=true) is broken for
+    # the Sony WF-1000XM6: when a call opens the mic, WirePlumber auto-switches to
+    # the highest-priority headset profile (LC3-SWB), the audio link fails to set
+    # up ("Hands-Free Voice gateway: Transport endpoint is not connected"), and the
+    # buds reset with no call audio/mic. Omitting lc3_swb from the codec allow-list
+    # makes autoswitch fall back to mSBC, which is stable wideband voice. Everything
+    # else (A2DP LDAC/AAC/SBC, and lc3 for any future LE Audio) stays enabled.
+    wireplumber.extraConfig."51-disable-lc3swb-hfp" = {
+      "monitor.bluez.properties" = {
+        "bluez5.codecs" = [
+          "sbc"
+          "sbc_xq"
+          "aac"
+          "aptx"
+          "aptx_hd"
+          "aptx_ll"
+          "ldac"
+          "lc3"
+          "cvsd"
+          "msbc"
+        ];
+      };
+    };
   };
 }