From f29f4ccdc9c69a970df4f7f97aab4a259eff8957 Mon Sep 17 00:00:00 2001
From: N00byKing <N00byKing@hotmail.de>
Date: Tue, 10 Apr 2018 17:05:06 +0200
Subject: [PATCH] gsp_gpu, shared_page: Change 3D LED State on SetLedForceOff

---
 src/core/hle/service/gsp/gsp_gpu.cpp | 14 +++++++++++++-
 src/core/hle/service/gsp/gsp_gpu.h   |  3 +++
 src/core/hle/shared_page.cpp         |  4 ++++
 src/core/hle/shared_page.h           |  2 ++
 4 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/src/core/hle/service/gsp/gsp_gpu.cpp b/src/core/hle/service/gsp/gsp_gpu.cpp
index 0b7cf9123c..ebe5a05038 100644
--- a/src/core/hle/service/gsp/gsp_gpu.cpp
+++ b/src/core/hle/service/gsp/gsp_gpu.cpp
@@ -13,6 +13,7 @@
 #include "core/hle/kernel/shared_memory.h"
 #include "core/hle/result.h"
 #include "core/hle/service/gsp/gsp_gpu.h"
+#include "core/hle/shared_page.h"
 #include "core/hw/gpu.h"
 #include "core/hw/hw.h"
 #include "core/hw/lcd.h"
@@ -712,6 +713,17 @@ void GSP_GPU::StoreDataCache(Kernel::HLERequestContext& ctx) {
               size, process->process_id);
 }
 
+void GSP_GPU::SetLedForceOff(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp(ctx, 0x1C, 1, 0);
+
+    u8 state = rp.Pop<u8>();
+    SharedPage::Set3DLed(state);
+
+    IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
+    rb.Push(RESULT_SUCCESS);
+    LOG_DEBUG(Service_GSP, "(STUBBED) called");
+}
+
 SessionData* GSP_GPU::FindRegisteredThreadData(u32 thread_id) {
     for (auto& session_info : connected_sessions) {
         SessionData* data = static_cast<SessionData*>(session_info.data.get());
@@ -752,7 +764,7 @@ GSP_GPU::GSP_GPU() : ServiceFramework("gsp::Gpu", 2) {
         {0x00190000, nullptr, "SaveVramSysArea"},
         {0x001A0000, nullptr, "RestoreVramSysArea"},
         {0x001B0000, nullptr, "ResetGpuCore"},
-        {0x001C0040, nullptr, "SetLedForceOff"},
+        {0x001C0040, &GSP_GPU::SetLedForceOff, "SetLedForceOff"},
         {0x001D0040, nullptr, "SetTestCommand"},
         {0x001E0080, nullptr, "SetInternalPriorities"},
         {0x001F0082, &GSP_GPU::StoreDataCache, "StoreDataCache"},
diff --git a/src/core/hle/service/gsp/gsp_gpu.h b/src/core/hle/service/gsp/gsp_gpu.h
index 94dddfa6ac..484b1a332c 100644
--- a/src/core/hle/service/gsp/gsp_gpu.h
+++ b/src/core/hle/service/gsp/gsp_gpu.h
@@ -379,6 +379,9 @@ private:
      */
     void StoreDataCache(Kernel::HLERequestContext& ctx);
 
+    /// Force the 3D LED State (0 = On, Non-Zero = Off)
+    void SetLedForceOff(Kernel::HLERequestContext& ctx);
+
     /// Returns the session data for the specified registered thread id, or nullptr if not found.
     SessionData* FindRegisteredThreadData(u32 thread_id);
 
diff --git a/src/core/hle/shared_page.cpp b/src/core/hle/shared_page.cpp
index 0102d0f5ec..8a8a32d51d 100644
--- a/src/core/hle/shared_page.cpp
+++ b/src/core/hle/shared_page.cpp
@@ -93,4 +93,8 @@ void SetWifiLinkLevel(WifiLinkLevel level) {
     shared_page.wifi_link_level = static_cast<u8>(level);
 }
 
+void Set3DLed(u8 state) {
+    shared_page.ledstate_3d = state;
+}
+
 } // namespace SharedPage
diff --git a/src/core/hle/shared_page.h b/src/core/hle/shared_page.h
index 1e2fce6b7a..4d3f0d4554 100644
--- a/src/core/hle/shared_page.h
+++ b/src/core/hle/shared_page.h
@@ -82,4 +82,6 @@ void SetMacAddress(const MacAddress&);
 
 void SetWifiLinkLevel(WifiLinkLevel);
 
+void Set3DLed(u8);
+
 } // namespace SharedPage