2 files changed, 13 insertions, 3 deletions
diff --git a/nixpkgs/nixos/modules/services/hardware/auto-cpufreq.nix b/nixpkgs/nixos/modules/services/hardware/auto-cpufreq.nix
index fd2e03ef12f5..cf27bdd8b6eb 100644
--- a/nixpkgs/nixos/modules/services/hardware/auto-cpufreq.nix
+++ b/nixpkgs/nixos/modules/services/hardware/auto-cpufreq.nix
@@ -15,8 +15,7 @@ in {
         description = lib.mdDoc ''
           Configuration for `auto-cpufreq`.
 
-          See its [example configuration file] for supported settings.
-          [example configuration file]: https://github.com/AdnanHodzic/auto-cpufreq/blob/master/auto-cpufreq.conf-example
+          The available options can be found in [the example configuration file](https://github.com/AdnanHodzic/auto-cpufreq/blob/v${pkgs.auto-cpufreq.version}/auto-cpufreq.conf-example).
           '';
 
         default = {};
@@ -35,6 +34,7 @@ in {
         wantedBy = [ "multi-user.target" ];
         path = with pkgs; [ bash coreutils ];
 
+        serviceConfig.WorkingDirectory = "";
         serviceConfig.ExecStart = [
           ""
           "${lib.getExe pkgs.auto-cpufreq} --daemon --config ${cfgFile}"
@@ -42,4 +42,7 @@ in {
       };
     };
   };
+
+  # uses attributes of the linked package
+  meta.buildDocsInSandbox = false;
 }
diff --git a/nixpkgs/nixos/modules/services/hardware/openrgb.nix b/nixpkgs/nixos/modules/services/hardware/openrgb.nix
index 310615ecc539..13b1d07e53b7 100644
--- a/nixpkgs/nixos/modules/services/hardware/openrgb.nix
+++ b/nixpkgs/nixos/modules/services/hardware/openrgb.nix
@@ -17,7 +17,14 @@ in {
 
     motherboard = mkOption {
       type = types.nullOr (types.enum [ "amd" "intel" ]);
-      default = null;
+      default = if config.hardware.cpu.intel.updateMicrocode then "intel"
+        else if config.hardware.cpu.amd.updateMicrocode then "amd"
+        else null;
+      defaultText = literalMD ''
+        if config.hardware.cpu.intel.updateMicrocode then "intel"
+        else if config.hardware.cpu.amd.updateMicrocode then "amd"
+        else null;
+      '';
       description = lib.mdDoc "CPU family of motherboard. Allows for addition motherboard i2c support.";
     };