nixos-hardware/purism/librem/5r4/lockdown-fix.nix

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{ config, pkgs, lib, ... }:
lib.mkIf config.hardware.librem5.lockdownFix {
# We blacklist the drivers so they don't load during early boot when the sensors are disconnected,
boot.blacklistedKernelModules = [
"st_lsm6dsx_spi"
"st_lsm6dsx_i2c"
"st_lsm6dsx"
];
# and load them when the phone is fully booted;
systemd.services.librem5-lockdown-support = {
description = "Set up drivers for the orientation and proximity sensors on Librem 5";
serviceConfig.Type = "oneshot";
serviceConfig.ExecStart = "${config.hardware.librem5.package}/bin/lockdown-support.sh";
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wantedBy = [ "default.target" ];
path = [ pkgs.kmod ];
};
# udev rules from librem5-base handle going into "lockdown mode" and back.
assertions = [{
assertion = with config.hardware.librem5;
lockdownFix -> installUdevPackages;
message =
"'hardware.librem5.lockdownFix' requires 'hardware.librem5.installUdevPackages', but it is not enabled.";
}];
}