6 files changed, 111 insertions, 0 deletions

diff --git a/src/common/logging/backend.cpp b/src/common/logging/backend.cpp
index ad9edbcdf..db3ee0837 100644
--- a/src/common/logging/backend.cpp
+++ b/src/common/logging/backend.cpp
@@ -173,6 +173,7 @@ void FileBackend::Write(const Entry& entry) {
     SUB(Service, Friend)                                                                           \
     SUB(Service, FS)                                                                               \
     SUB(Service, HID)                                                                              \
+    SUB(Service, LBL)                                                                              \
     SUB(Service, LDN)                                                                              \
     SUB(Service, LM)                                                                               \
     SUB(Service, MM)                                                                               \
diff --git a/src/common/logging/log.h b/src/common/logging/log.h
index ad3cbf5d1..d22cb2966 100644
--- a/src/common/logging/log.h
+++ b/src/common/logging/log.h
@@ -60,6 +60,7 @@ enum class Class : ClassType {
     Service_Friend,    ///< The friend service
     Service_FS,        ///< The FS (Filesystem) service
     Service_HID,       ///< The HID (Human interface device) service
+    Service_LBL,       ///< The LBL (LCD backlight) service
     Service_LDN,       ///< The LDN (Local domain network) service
     Service_LM,        ///< The LM (Logger) service
     Service_MM,        ///< The MM (Multimedia) service
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index e52214ff9..525ba39bc 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -166,6 +166,8 @@ add_library(core STATIC
     hle/service/hid/irs.h
     hle/service/hid/xcd.cpp
     hle/service/hid/xcd.h
+    hle/service/lbl/lbl.cpp
+    hle/service/lbl/lbl.h
     hle/service/ldn/ldn.cpp
     hle/service/ldn/ldn.h
     hle/service/ldr/ldr.cpp
diff --git a/src/core/hle/service/lbl/lbl.cpp b/src/core/hle/service/lbl/lbl.cpp
new file mode 100644
index 000000000..8fc8b1057
--- /dev/null
+++ b/src/core/hle/service/lbl/lbl.cpp
@@ -0,0 +1,90 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <memory>
+
+#include "common/logging/log.h"
+#include "core/hle/ipc_helpers.h"
+#include "core/hle/kernel/hle_ipc.h"
+#include "core/hle/service/lbl/lbl.h"
+#include "core/hle/service/service.h"
+#include "core/hle/service/sm/sm.h"
+
+namespace Service::LBL {
+
+class LBL final : public ServiceFramework<LBL> {
+public:
+    explicit LBL() : ServiceFramework{"lbl"} {
+        // clang-format off
+        static const FunctionInfo functions[] = {
+            {0, nullptr, "Unknown1"},
+            {1, nullptr, "Unknown2"},
+            {2, nullptr, "Unknown3"},
+            {3, nullptr, "Unknown4"},
+            {4, nullptr, "Unknown5"},
+            {5, nullptr, "Unknown6"},
+            {6, nullptr, "TurnOffBacklight"},
+            {7, nullptr, "TurnOnBacklight"},
+            {8, nullptr, "GetBacklightStatus"},
+            {9, nullptr, "Unknown7"},
+            {10, nullptr, "Unknown8"},
+            {11, nullptr, "Unknown9"},
+            {12, nullptr, "Unknown10"},
+            {13, nullptr, "Unknown11"},
+            {14, nullptr, "Unknown12"},
+            {15, nullptr, "Unknown13"},
+            {16, nullptr, "ReadRawLightSensor"},
+            {17, nullptr, "Unknown14"},
+            {18, nullptr, "Unknown15"},
+            {19, nullptr, "Unknown16"},
+            {20, nullptr, "Unknown17"},
+            {21, nullptr, "Unknown18"},
+            {22, nullptr, "Unknown19"},
+            {23, nullptr, "Unknown20"},
+            {24, nullptr, "Unknown21"},
+            {25, nullptr, "Unknown22"},
+            {26, &LBL::EnableVrMode, "EnableVrMode"},
+            {27, &LBL::DisableVrMode, "DisableVrMode"},
+            {28, &LBL::GetVrMode, "GetVrMode"},
+        };
+        // clang-format on
+
+        RegisterHandlers(functions);
+    }
+
+private:
+    void EnableVrMode(Kernel::HLERequestContext& ctx) {
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+
+        vr_mode_enabled = true;
+
+        LOG_DEBUG(Service_LBL, "called");
+    }
+
+    void DisableVrMode(Kernel::HLERequestContext& ctx) {
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+
+        vr_mode_enabled = false;
+
+        LOG_DEBUG(Service_LBL, "called");
+    }
+
+    void GetVrMode(Kernel::HLERequestContext& ctx) {
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push(vr_mode_enabled);
+
+        LOG_DEBUG(Service_LBL, "called");
+    }
+
+    bool vr_mode_enabled = false;
+};
+
+void InstallInterfaces(SM::ServiceManager& sm) {
+    std::make_shared<LBL>()->InstallAsService(sm);
+}
+
+} // namespace Service::LBL
diff --git a/src/core/hle/service/lbl/lbl.h b/src/core/hle/service/lbl/lbl.h
new file mode 100644
index 000000000..bf6f400f8
--- /dev/null
+++ b/src/core/hle/service/lbl/lbl.h
@@ -0,0 +1,15 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+namespace Service::SM {
+class ServiceManager;
+}
+
+namespace Service::LBL {
+
+void InstallInterfaces(SM::ServiceManager& sm);
+
+} // namespace Service::LBL
diff --git a/src/core/hle/service/service.cpp b/src/core/hle/service/service.cpp
index 1654db231..d2c05cc92 100644
--- a/src/core/hle/service/service.cpp
+++ b/src/core/hle/service/service.cpp
@@ -30,6 +30,7 @@
 #include "core/hle/service/friend/friend.h"
 #include "core/hle/service/grc/grc.h"
 #include "core/hle/service/hid/hid.h"
+#include "core/hle/service/lbl/lbl.h"
 #include "core/hle/service/ldn/ldn.h"
 #include "core/hle/service/ldr/ldr.h"
 #include "core/hle/service/lm/lm.h"
@@ -205,6 +206,7 @@ void Init(std::shared_ptr<SM::ServiceManager>& sm) {
     Friend::InstallInterfaces(*sm);
     GRC::InstallInterfaces(*sm);
     HID::InstallInterfaces(*sm);
+    LBL::InstallInterfaces(*sm);
     LDN::InstallInterfaces(*sm);
     LDR::InstallInterfaces(*sm);
     LM::InstallInterfaces(*sm);