From 263108e92e67702d342ed9fd424e9f4640ddcdf5 Mon Sep 17 00:00:00 2001
From: Ivan Malison <IvanMalison@gmail.com>
Date: Sun, 2 Jun 2019 11:01:31 -0700
Subject: [PATCH] [NixOS] Add service to fix immediate resume after suspend on
 blade

---
 nixos/machines/dfinity-blade15.nix | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/nixos/machines/dfinity-blade15.nix b/nixos/machines/dfinity-blade15.nix
index 35f03b96..6cc4818a 100644
--- a/nixos/machines/dfinity-blade15.nix
+++ b/nixos/machines/dfinity-blade15.nix
@@ -32,6 +32,18 @@
       fsType = "vfat";
     };
 
+    systemd.services.resume-fix = {
+      description = "Fixes acpi immediate resume after suspend";
+      wantedBy = [ "multi-user.target" "post-resume.target" ];
+      after = [ "multi-user.target" "post-resume.target" ];
+      script = ''
+        if ${pkgs.gnugrep}/bin/grep -q '\bXHC\b.*\benabled\b' /proc/acpi/wakeup; then
+          echo XHC > /proc/acpi/wakeup
+        fi
+      '';
+      serviceConfig.Type = "oneshot";
+    };
+
   swapDevices = [ ];
 
   networking.hostName = "ivanm-dfinity-razer";