1 files changed, 52 insertions, 0 deletions
diff --git a/nixpkgs/nixos/modules/hardware/video/webcam/facetimehd.nix b/nixpkgs/nixos/modules/hardware/video/webcam/facetimehd.nix
new file mode 100644
index 000000000000..480c636aa0d9
--- /dev/null
+++ b/nixpkgs/nixos/modules/hardware/video/webcam/facetimehd.nix
@@ -0,0 +1,52 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.hardware.facetimehd;
+
+  kernelPackages = config.boot.kernelPackages;
+
+in
+
+{
+
+  options.hardware.facetimehd.enable = mkEnableOption (lib.mdDoc "facetimehd kernel module");
+
+  options.hardware.facetimehd.withCalibration = mkOption {
+    default = false;
+    example = true;
+    type = types.bool;
+    description = lib.mdDoc ''
+      Whether to include sensor calibration files for facetimehd.
+      This makes colors look much better but is experimental, see
+      <https://github.com/patjak/facetimehd/wiki/Extracting-the-sensor-calibration-files>
+      for details.
+    '';
+  };
+
+  config = mkIf cfg.enable {
+
+    boot.kernelModules = [ "facetimehd" ];
+
+    boot.blacklistedKernelModules = [ "bdc_pci" ];
+
+    boot.extraModulePackages = [ kernelPackages.facetimehd ];
+
+    hardware.firmware = [ pkgs.facetimehd-firmware ]
+      ++ optional cfg.withCalibration pkgs.facetimehd-calibration;
+
+    # unload module during suspend/hibernate as it crashes the whole system
+    powerManagement.powerDownCommands = ''
+      ${pkgs.kmod}/bin/lsmod | ${pkgs.gnugrep}/bin/grep -q "^facetimehd" && ${pkgs.kmod}/bin/rmmod -f -v facetimehd
+    '';
+
+    # and load it back on resume
+    powerManagement.resumeCommands = ''
+      ${pkgs.kmod}/bin/modprobe -v facetimehd
+    '';
+
+  };
+
+}