38 lines
1.3 KiB
Nix
38 lines
1.3 KiB
Nix
{ lib, pkgs, ... }:
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{
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imports = [
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../../../common/pc/laptop
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../../../common/pc/ssd
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];
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hardware.enableRedistributableFirmware = lib.mkDefault true;
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# touchpad identifies itself as DELL0A78:00 27C6:0D42 Touchpad in xinput list
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# it sometimes fails to register (ps2 mouse emulation works, but not scrolling)
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# hack around it by unloading and reloading module i2c_hid
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systemd.services.fix-touchpad = {
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path = [ pkgs.kmod ];
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serviceConfig.ExecStart = ''${pkgs.systemd}/bin/systemd-inhibit --what=sleep --why="fixing touchpad must finish before sleep" --mode=delay ${./fix_touchpad.sh}'';
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serviceConfig.Type = "oneshot";
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description = "reload touchpad driver";
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# must run at boot (and not too early), and after suspend
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wantedBy = [ "display-manager.service" "post-resume.target" ];
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# prevent running before suspend
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after = [ "post-resume.target" ];
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};
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# so that post-resume.service exists
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powerManagement.enable = true;
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# fix suspend
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# https://bbs.archlinux.org/viewtopic.php?id=266108 says linux >= 5.12 required
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boot.kernelPackages = lib.mkIf (lib.versionOlder pkgs.linux.version "5.12") pkgs.linuxPackages_latest;
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# sometimes boots to a black screen, and pressing alt+sysrq+k makes the
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# display manager start
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# fixed by early kernel modesetting
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boot.initrd.kernelModules = [ "amdgpu" ];
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}
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