From 8a6a55d5d2cbd787f97156661978af59cfeb741e Mon Sep 17 00:00:00 2001
From: Philipp Hochkamp <git@phochkamp.de>
Date: Sat, 26 Mar 2022 18:18:26 +0100
Subject: [PATCH] rpi fix wifi

---
 hosts/musicpi/default.nix | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/hosts/musicpi/default.nix b/hosts/musicpi/default.nix
index 5a7d73a6..e45f0d8c 100644
--- a/hosts/musicpi/default.nix
+++ b/hosts/musicpi/default.nix
@@ -13,6 +13,24 @@
     })
   ];
   boot.supportedFilesystems = lib.mkForce [ "reiserfs" "vfat" "ext4" ]; # we dont need zfs here
+  sound.enable = true;
+  boot.loader.raspberryPi.firmwareConfig = ''
+    dtparam=hifiberry-dac
+  '';
+  nixpkgs.overlays = [
+    (self: super: {
+      firmwareLinuxNonfree = super.firmwareLinuxNonfree.overrideAttrs (old: {
+        version = "2020-12-18";
+        src = pkgs.fetchgit {
+          url =
+            "https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git";
+          rev = "b79d2396bc630bfd9b4058459d3e82d7c3428599";
+          sha256 = "1rb5b3fzxk5bi6kfqp76q1qszivi0v1kdz1cwj2llp5sd9ns03b5";
+        };
+        outputHash = "1p7vn2hfwca6w69jhw5zq70w44ji8mdnibm1z959aalax6ndy146";
+      });
+    })
+  ];
   boot = {
 #    kernelPackages = lib.mkDefault pkgs.linuxPackages_rpi4;
     initrd.availableKernelModules = lib.mkForce [