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authorAlyssa Ross <hi@alyssa.is>2022-05-31 09:59:33 +0000
committerAlyssa Ross <hi@alyssa.is>2022-05-31 09:59:57 +0000
commit9ff36293d1e428cd7bf03e8d4b03611b6d361c28 (patch)
tree1ab51a42b868c55b83f6ccdb80371b9888739dd9 /nixos/modules/hardware/video/webcam/facetimehd.nix
parent1c4fcd0d4b0541e674ee56ace1053e23e562cc80 (diff)
parentddc3c396a51918043bb0faa6f676abd9562be62c (diff)
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I came this commit hash to terwiz[m] on IRC, who is trying to figure out
what the last version of Spectrum that worked on their NUC with Nvidia
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Diffstat (limited to 'nixos/modules/hardware/video/webcam/facetimehd.nix')
-rw-r--r--nixos/modules/hardware/video/webcam/facetimehd.nix44
1 files changed, 44 insertions, 0 deletions
diff --git a/nixos/modules/hardware/video/webcam/facetimehd.nix b/nixos/modules/hardware/video/webcam/facetimehd.nix
new file mode 100644
index 00000000000..d311f600c31
--- /dev/null
+++ b/nixos/modules/hardware/video/webcam/facetimehd.nix
@@ -0,0 +1,44 @@
+{ 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.blacklistedKernelModules = [ "bdc_pci" ];
+
+    boot.extraModulePackages = [ kernelPackages.facetimehd ];
+
+    hardware.firmware = [ pkgs.facetimehd-firmware ];
+
+    # 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
+    '';
+
+  };
+
+}