From c7e0f66295a2e28375fe38d8ae57f275e172e18b Mon Sep 17 00:00:00 2001
From: Jordan Holt <jordan@vimium.com>
Date: Sun, 28 Apr 2024 12:38:15 +0100
Subject: [PATCH] Ensure correct snd_usb_audio is loaded on boot

---
 modules/hardware/presonus-studio.nix | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/modules/hardware/presonus-studio.nix b/modules/hardware/presonus-studio.nix
index 9832c92..d58a4db 100644
--- a/modules/hardware/presonus-studio.nix
+++ b/modules/hardware/presonus-studio.nix
@@ -27,6 +27,17 @@ in {
       (patched)
     ];
 
+    # Workaround for mainline module loading instead of patched module
+    systemd.services.reload-snd-usb-audio = {
+      description = "Reload snd_usb_audio kernel module";
+      wantedBy = [ "sound.target" ];
+      serviceConfig.Type = "oneshot";
+      script = ''
+        rmmod snd_usb_audio
+        insmod /run/booted-system/kernel-modules/lib/modules/$(uname -r)/extra/snd-usb-audio.ko.xz
+      '';
+    };
+
     environment.etc = {
       "pipewire/pipewire.conf.d/10-network.conf".text = ''
         context.modules = [