nix s9 camera

modules/systems/boot/v4l2loopback/nixos.nix

@@ -0,0 +1,10 @@
+{ config, ... }:
+{
+  boot = {
+    extraModulePackages = [ config.boot.kernelPackages.v4l2loopback ];
+    kernelModules = [ "v4l2loopback" ];
+    extraModprobeConfig = ''
+      options v4l2loopback devices=1 video_nr=42 card_label="LUMIX S9" exclusive_caps=1
+    '';
+  };
+}

modules/systems/nix/common.nix

@@ -18,6 +18,7 @@
       "https://ghostty.cachix.org"
       "https://cache.numtide.com"
       "https://codex-desktop-linux.cachix.org"
+      "https://cuda-maintainers.cachix.org"
     ];
 
     extra-trusted-public-keys = [
@@ -29,6 +30,7 @@
       "ghostty.cachix.org-1:QB389yTa6gTyneehvqG58y0WnHjQOqgnA+wBnpWWxns="
       "niks3.numtide.com-1:DTx8wZduET09hRmMtKdQDxNNthLQETkc/yaX7M4qK0g="
       "codex-desktop-linux.cachix.org-1:nX/xy6AdK9hQE24A8ALGjkCKj2ObFmcnemiL5Cid4nk="
+      "cuda-maintainers.cachix.org-1:0dq3bujKpuEPMCX6U4WylrUDZ9JyUG0VpVZa7CNfq5E="
     ];
   };
 }