From 41e862ddf8ac488b4b89a0ad0e75818e5915d237 Mon Sep 17 00:00:00 2001
From: Eli Ribble <eli@theribbles.org>
Date: Tue, 24 Sep 2024 22:10:38 +0000
Subject: [PATCH] Make bluetooth with game pad work.

The ERTM is some bluetooth protocol extension. When enabled the
bluetooth scan can't find my Stadia controllers.
---
 eshu/etc/nixos/configuration.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/eshu/etc/nixos/configuration.nix b/eshu/etc/nixos/configuration.nix
index 5576217..e2c12ca 100644
--- a/eshu/etc/nixos/configuration.nix
+++ b/eshu/etc/nixos/configuration.nix
@@ -10,12 +10,14 @@
       ./hardware-configuration.nix
     ];
 
+  boot.extraModprobeConfig = '' options bluetooth disable_ertm=1 '';
   boot.kernelPackages = pkgs.linuxPackages; # (this is the default) some amdgpu issues on 6.10
   # Use the systemd-boot EFI boot loader.
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
 
   hardware.bluetooth.enable = true;
+  hardware.bluetooth.powerOnBoot = true;
   hardware.xone.enable = true; # support for the xbox controller USB dongle
 
   networking.hostName = "eshu"; # Define your hostname.