From 19872b599baa824ff26716a502a4c6ca441c1347 Mon Sep 17 00:00:00 2001
From: Hamish Milne <hamishmilne83@gmail.com>
Date: Sat, 11 Apr 2020 20:47:14 +0100
Subject: [PATCH] Fix button state not persisting between loads

---
 src/core/hle/service/hid/hid.cpp | 6 ++++--
 src/core/hle/service/hid/hid.h   | 2 ++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/core/hle/service/hid/hid.cpp b/src/core/hle/service/hid/hid.cpp
index 981a4aa63b..4c87182766 100644
--- a/src/core/hle/service/hid/hid.cpp
+++ b/src/core/hle/service/hid/hid.cpp
@@ -30,7 +30,7 @@ SERIALIZE_EXPORT_IMPL(Service::HID::Module)
 namespace Service::HID {
 
 template <class Archive>
-void Module::serialize(Archive& ar, const unsigned int) {
+void Module::serialize(Archive& ar, const unsigned int file_version) {
     ar& shared_mem;
     ar& event_pad_or_touch_1;
     ar& event_pad_or_touch_2;
@@ -46,7 +46,9 @@ void Module::serialize(Archive& ar, const unsigned int) {
     if (Archive::is_loading::value) {
         LoadInputDevices();
     }
-    // Pad state not needed as it's always updated
+    if (file_version >= 1) {
+        ar& state.hex;
+    }
     // Update events are set in the constructor
     // Devices are set from the implementation (and are stateless afaik)
 }
diff --git a/src/core/hle/service/hid/hid.h b/src/core/hle/service/hid/hid.h
index ad526ac6f1..58a3c68a59 100644
--- a/src/core/hle/service/hid/hid.h
+++ b/src/core/hle/service/hid/hid.h
@@ -8,6 +8,7 @@
 #include <atomic>
 #include <cstddef>
 #include <memory>
+#include <boost/serialization/version.hpp>
 #include "common/bit_field.h"
 #include "common/common_funcs.h"
 #include "common/common_types.h"
@@ -348,3 +349,4 @@ void InstallInterfaces(Core::System& system);
 
 SERVICE_CONSTRUCT(Service::HID::Module)
 BOOST_CLASS_EXPORT_KEY(Service::HID::Module)
+BOOST_CLASS_VERSION(Service::HID::Module, 1)