use nixos-hardware for t480

flake.lock

@@ -74,16 +74,16 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1623315106,
-        "narHash": "sha256-a2/8mVCuZWQUIWOQGCmUvtT813ZwnL0VRdwE3VzRaLU=",
-        "owner": "NixOS",
+        "lastModified": 1623489190,
+        "narHash": "sha256-p+aJJZ2BE57+59FDjHuUzaWow1M+bZ0MZDxqeB2/TKI=",
+        "owner": "cyplo",
         "repo": "nixos-hardware",
-        "rev": "6bea9761693b5d185d34bef205edb25a8081db57",
+        "rev": "1a4ac0b996f2bd5f2fba8b94ea5d7c96d1f6e114",
         "type": "github"
       },
       "original": {
-        "owner": "NixOS",
-        "ref": "master",
+        "owner": "cyplo",
+        "ref": "add-t480",
         "repo": "nixos-hardware",
         "type": "github"
       }

flake.nix

@@ -67,9 +67,9 @@
 
     nixos-hardware = {
       type = "github";
-      owner = "NixOS";
+      owner = "cyplo";
       repo = "nixos-hardware";
-      ref = "master";
+      ref = "add-t480";
     };
 
     home-manager = {

nixos/boxes/foureighty/hardware-configuration.nix

@@ -1,15 +1,16 @@
-{ config, lib, pkgs, ... }:
+{ config, lib, pkgs, inputs, ... }:
 
 {
-  imports = [ ];
+  imports = [
+    inputs.nixos-hardware.nixosModules.lenovo-thinkpad-t480
+  ];
 
   boot = {
     kernel.sysctl = {
       "vm.swappiness" = 75;
     };
 
-    kernelModules = [ "kvm-intel" "acpi_call" ];
-    extraModulePackages = with config.boot.kernelPackages; [ acpi_call ];
+    kernelModules = [ "kvm-intel" ];
 
     initrd = {
       kernelModules = [ "dm-snapshot" ];