1 files changed, 20 insertions, 0 deletions
diff --git a/infra/libkookie/nixpkgs/nixos/modules/hardware/rtl-sdr.nix b/infra/libkookie/nixpkgs/nixos/modules/hardware/rtl-sdr.nix
new file mode 100644
index 000000000000..77c8cb59a3d5
--- /dev/null
+++ b/infra/libkookie/nixpkgs/nixos/modules/hardware/rtl-sdr.nix
@@ -0,0 +1,20 @@
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.hardware.rtl-sdr;
+
+in {
+  options.hardware.rtl-sdr = {
+    enable = lib.mkEnableOption ''
+      Enables rtl-sdr udev rules and ensures 'plugdev' group exists.
+      This is a prerequisite to using devices supported by rtl-sdr without
+      being root, since rtl-sdr USB descriptors will be owned by plugdev
+      through udev.
+    '';
+  };
+
+  config = lib.mkIf cfg.enable {
+    services.udev.packages = [ pkgs.rtl-sdr ];
+    users.groups.plugdev = {};
+  };
+}