From e4b3b506570d4b523b9f4a1ba4118acc44593c10 Mon Sep 17 00:00:00 2001
From: Andreas Zweili <andreas@zweili.ch>
Date: Mon, 22 Nov 2021 20:54:18 +0100
Subject: [PATCH] add kernel parameter for better suspend

---
 hardware/xps5530/hardware-configuration.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/hardware/xps5530/hardware-configuration.nix b/hardware/xps5530/hardware-configuration.nix
index 78ef8d2..257dfd9 100644
--- a/hardware/xps5530/hardware-configuration.nix
+++ b/hardware/xps5530/hardware-configuration.nix
@@ -12,6 +12,10 @@
   boot.initrd.kernelModules = [ "dm-snapshot" ];
   boot.kernelModules = [ "kvm-intel" ];
   boot.extraModulePackages = [ ];
+  boot.kernelParams = [
+    "mem_sleep_default=deep"
+  ]
+
   boot.initrd.luks.devices."cryptlvm".device = "/dev/sda2";
   fileSystems."/" =
     { device = "/dev/disk/by-label/nixos";