nixpkgs/nixos/modules/hardware/video/webcam/facetimehd.nix
2016-01-28 02:59:36 +08:00

43 lines
999 B
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.hardware.facetimehd;
kernelPackages = config.boot.kernelPackages;
in
{
options.hardware.facetimehd.enable = mkEnableOption "facetimehd kernel module";
config = mkIf cfg.enable {
assertions = singleton {
assertion = versionAtLeast kernelPackages.kernel.version "3.19";
message = "facetimehd is not supported for kernels older than 3.19";
};
boot.kernelModules = [ "facetimehd" ];
boot.extraModulePackages = [ kernelPackages.facetimehd ];
hardware.firmware = [ pkgs.facetimehd-firmware ];
# unload module during suspend/hibernate as it crashes the whole system
powerManagement.powerDownCommands = ''
${pkgs.module_init_tools}/bin/rmmod -f facetimehd
'';
# and load it back on resume
powerManagement.resumeCommands = ''
export MODULE_DIR=/run/current-system/kernel-modules/lib/modules
${pkgs.module_init_tools}/bin/modprobe -v facetimehd
'';
};
}