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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.hardware.facetimehd;
kernelPackages = config.boot.kernelPackages;
in
{
options.hardware.facetimehd.enable = mkEnableOption (lib.mdDoc "the 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
'';
};
}
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