52 lines
1.3 KiB
Nix
52 lines
1.3 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.hardware.facetimehd;
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kernelPackages = config.boot.kernelPackages;
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in
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{
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options.hardware.facetimehd.enable = mkEnableOption "the facetimehd kernel module";
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options.hardware.facetimehd.withCalibration = mkOption {
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default = false;
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example = true;
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type = types.bool;
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description = ''
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Whether to include sensor calibration files for facetimehd.
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This makes colors look much better but is experimental, see
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<https://github.com/patjak/facetimehd/wiki/Extracting-the-sensor-calibration-files>
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for details.
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'';
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};
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config = mkIf cfg.enable {
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boot.kernelModules = [ "facetimehd" ];
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boot.blacklistedKernelModules = [ "bdc_pci" ];
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boot.extraModulePackages = [ kernelPackages.facetimehd ];
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hardware.firmware = [ pkgs.facetimehd-firmware ]
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++ optional cfg.withCalibration pkgs.facetimehd-calibration;
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# unload module during suspend/hibernate as it crashes the whole system
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powerManagement.powerDownCommands = ''
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${pkgs.kmod}/bin/lsmod | ${pkgs.gnugrep}/bin/grep -q "^facetimehd" && ${pkgs.kmod}/bin/rmmod -f -v facetimehd
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'';
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# and load it back on resume
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powerManagement.resumeCommands = ''
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${pkgs.kmod}/bin/modprobe -v facetimehd
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'';
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};
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}
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