84 lines
2.1 KiB
Nix
84 lines
2.1 KiB
Nix
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{ config, lib, pkgs, ... }: {
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# T480-specific hardware defaults.
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hardware = {
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enableRedistributableFirmware = true;
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trackpoint = {
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enable = true;
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emulateWheel = true;
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};
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};
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boot = {
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supportedFilesystems = [ "btrfs" ];
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initrd.availableKernelModules = [
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"nvme"
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"ahci"
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"xhci_pci"
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"usb_storage"
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"usbhid"
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"sd_mod"
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"rtsx_pci_sdmmc"
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];
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kernelModules = [ "kvm-intel" "thinkpad_acpi" ];
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kernelParams = [
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# Prefer S3/deep sleep when BIOS exposes it. If suspend behaves worse,
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# remove this and use the BIOS sleep setting instead.
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"mem_sleep_default=deep"
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];
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};
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powerManagement.enable = true;
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services = {
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# Firmware updates for BIOS/UEFI, Thunderbolt, SSDs where LVFS supports it.
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fwupd.enable = true;
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# Helps Intel laptops keep sane thermal behaviour under load.
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thermald.enable = true;
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# Fingerprint reader support. If fprintd does not detect the reader,
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# leaving this enabled is harmless; login can still use a password.
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fprintd.enable = true;
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logind.settings.Login = {
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HandleLidSwitch = "suspend";
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HandleLidSwitchExternalPower = "suspend";
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HandlePowerKey = "poweroff";
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};
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tlp.settings = {
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# Preserve batteries when the laptop is usually on AC.
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# Raise STOP_* to 100 if maximum autonomy matters more than battery wear.
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START_CHARGE_THRESH_BAT0 = 70;
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STOP_CHARGE_THRESH_BAT0 = 95;
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START_CHARGE_THRESH_BAT1 = 70;
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STOP_CHARGE_THRESH_BAT1 = 85;
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RESTORE_THRESHOLDS_ON_BAT = 1;
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# NVMe/SATA SSD power saving without making the system too sluggish.
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AHCI_RUNTIME_PM_ON_AC = "on";
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AHCI_RUNTIME_PM_ON_BAT = "auto";
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SATA_LINKPWR_ON_AC = "med_power_with_dipm";
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SATA_LINKPWR_ON_BAT = "med_power_with_dipm";
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# Usually safe on ThinkPads; disable if some USB device randomly disconnects.
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USB_AUTOSUSPEND = 1;
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};
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};
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networking.networkmanager.wifi.powersave = true;
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environment.systemPackages = with pkgs; [
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acpi
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lm_sensors
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pciutils
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powertop
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smartmontools
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usbutils
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nvme-cli
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];
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}
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