From c828cf290d7e698137eabd2208b52ee03e591c66 Mon Sep 17 00:00:00 2001
From: Sebastien Bourdeauducq <sb@m-labs.hk>
Date: Tue, 15 Jun 2021 14:32:29 +0800
Subject: [PATCH] rpi-server: disable audio

---
 nixops/rpi-server.nix | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/nixops/rpi-server.nix b/nixops/rpi-server.nix
index 6919d9a..202a7e3 100644
--- a/nixops/rpi-server.nix
+++ b/nixops/rpi-server.nix
@@ -13,9 +13,6 @@
   boot.loader.raspberryPi = pkgs.lib.mkIf rpi4 {
     enable = true;
     version = 4;
-    firmwareConfig = ''
-      dtparam=audio=on
-    '';
   };
   boot.kernelParams = ["cma=64M"]; # work around https://github.com/raspberrypi/linux/issues/3208
   boot.kernelPackages = if rpi4 then pkgs.linuxPackages_rpi4 else pkgs.linuxPackages_rpi3;
@@ -138,13 +135,7 @@
   hardware.sane.enable = true;
   hardware.sane.extraBackends = [ pkgs.hplip ];
 
-  sound.enable = true;
-  hardware.pulseaudio.enable = true;
-  hardware.pulseaudio.systemWide = true;
-  hardware.pulseaudio.tcp.enable = true;
-  hardware.pulseaudio.tcp.anonymousClients.allowedIpRanges = ["192.168.1.0/24"];
-
-  networking.firewall.allowedTCPPorts = [ 631 4713 ];
+  networking.firewall.allowedTCPPorts = [ 631 ];
   networking.firewall.interfaces.wlan0.allowedUDPPorts = [ 53 67 ];
 
   nix.binaryCachePublicKeys = ["nixbld.m-labs.hk-1:5aSRVA5b320xbNvu30tqxVPXpld73bhtOeH6uAjRyHc="];