4 files changed, 56 insertions, 6 deletions

diff --git a/src/core/hle/service/hid/controllers/npad.cpp b/src/core/hle/service/hid/controllers/npad.cpp
index c55d900e2..6fbee7efa 100644
--- a/src/core/hle/service/hid/controllers/npad.cpp
+++ b/src/core/hle/service/hid/controllers/npad.cpp
@@ -566,6 +566,14 @@ void Controller_NPad::DisconnectNPad(u32 npad_id) {
     connected_controllers[NPadIdToIndex(npad_id)].is_connected = false;
 }
 
+void Controller_NPad::SetGyroscopeZeroDriftMode(GyroscopeZeroDriftMode drift_mode) {
+    gyroscope_zero_drift_mode = drift_mode;
+}
+
+Controller_NPad::GyroscopeZeroDriftMode Controller_NPad::GetGyroscopeZeroDriftMode() const {
+    return gyroscope_zero_drift_mode;
+}
+
 void Controller_NPad::StartLRAssignmentMode() {
     // Nothing internally is used for lr assignment mode. Since we have the ability to set the
     // controller types from boot, it doesn't really matter about showing a selection screen
diff --git a/src/core/hle/service/hid/controllers/npad.h b/src/core/hle/service/hid/controllers/npad.h
index 931f03430..5d4c58a43 100644
--- a/src/core/hle/service/hid/controllers/npad.h
+++ b/src/core/hle/service/hid/controllers/npad.h
@@ -58,6 +58,12 @@ public:
     };
     static_assert(sizeof(Vibration) == 0x10, "Vibration is an invalid size");
 
+    enum class GyroscopeZeroDriftMode : u32 {
+        Loose = 0,
+        Standard = 1,
+        Tight = 2,
+    };
+
     enum class NpadHoldType : u64 {
         Vertical = 0,
         Horizontal = 1,
@@ -117,6 +123,8 @@ public:
 
     void ConnectNPad(u32 npad_id);
     void DisconnectNPad(u32 npad_id);
+    void SetGyroscopeZeroDriftMode(GyroscopeZeroDriftMode drift_mode);
+    GyroscopeZeroDriftMode GetGyroscopeZeroDriftMode() const;
     LedPattern GetLedPattern(u32 npad_id);
     void SetVibrationEnabled(bool can_vibrate);
     bool IsVibrationEnabled() const;
@@ -324,8 +332,8 @@ private:
     std::array<Kernel::EventPair, 10> styleset_changed_events;
     Vibration last_processed_vibration{};
     std::array<ControllerHolder, 10> connected_controllers{};
+    GyroscopeZeroDriftMode gyroscope_zero_drift_mode{GyroscopeZeroDriftMode::Standard};
     bool can_controllers_vibrate{true};
-
     std::array<ControllerPad, 10> npad_pad_states{};
     bool is_in_lr_assignment_mode{false};
     Core::System& system;
diff --git a/src/core/hle/service/hid/hid.cpp b/src/core/hle/service/hid/hid.cpp
index 72a050de2..415c2829e 100644
--- a/src/core/hle/service/hid/hid.cpp
+++ b/src/core/hle/service/hid/hid.cpp
@@ -185,8 +185,8 @@ Hid::Hid(Core::System& system) : ServiceFramework("hid"), system(system) {
         {77, nullptr, "GetAccelerometerPlayMode"},
         {78, nullptr, "ResetAccelerometerPlayMode"},
         {79, &Hid::SetGyroscopeZeroDriftMode, "SetGyroscopeZeroDriftMode"},
-        {80, nullptr, "GetGyroscopeZeroDriftMode"},
-        {81, nullptr, "ResetGyroscopeZeroDriftMode"},
+        {80, &Hid::GetGyroscopeZeroDriftMode, "GetGyroscopeZeroDriftMode"},
+        {81, &Hid::ResetGyroscopeZeroDriftMode, "ResetGyroscopeZeroDriftMode"},
         {82, &Hid::IsSixAxisSensorAtRest, "IsSixAxisSensorAtRest"},
         {83, nullptr, "IsFirmwareUpdateAvailableForSixAxisSensor"},
         {91, &Hid::ActivateGesture, "ActivateGesture"},
@@ -419,9 +419,41 @@ void Hid::SetGyroscopeZeroDriftMode(Kernel::HLERequestContext& ctx) {
     const auto drift_mode{rp.Pop<u32>()};
     const auto applet_resource_user_id{rp.Pop<u64>()};
 
-    LOG_WARNING(Service_HID,
-                "(STUBBED) called, handle={}, drift_mode={}, applet_resource_user_id={}", handle,
-                drift_mode, applet_resource_user_id);
+    applet_resource->GetController<Controller_NPad>(HidController::NPad)
+        .SetGyroscopeZeroDriftMode(Controller_NPad::GyroscopeZeroDriftMode{drift_mode});
+
+    LOG_DEBUG(Service_HID, "called, handle={}, drift_mode={}, applet_resource_user_id={}", handle,
+              drift_mode, applet_resource_user_id);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
+void Hid::GetGyroscopeZeroDriftMode(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto handle{rp.Pop<u32>()};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_DEBUG(Service_HID, "called, handle={}, applet_resource_user_id={}", handle,
+              applet_resource_user_id);
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<u32>(
+        static_cast<u32>(applet_resource->GetController<Controller_NPad>(HidController::NPad)
+                             .GetGyroscopeZeroDriftMode()));
+}
+
+void Hid::ResetGyroscopeZeroDriftMode(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto handle{rp.Pop<u32>()};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    applet_resource->GetController<Controller_NPad>(HidController::NPad)
+        .SetGyroscopeZeroDriftMode(Controller_NPad::GyroscopeZeroDriftMode::Standard);
+
+    LOG_DEBUG(Service_HID, "called, handle={}, applet_resource_user_id={}", handle,
+              applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(RESULT_SUCCESS);
diff --git a/src/core/hle/service/hid/hid.h b/src/core/hle/service/hid/hid.h
index d481a75f8..41b330fa9 100644
--- a/src/core/hle/service/hid/hid.h
+++ b/src/core/hle/service/hid/hid.h
@@ -95,6 +95,8 @@ private:
     void ActivateNpadWithRevision(Kernel::HLERequestContext& ctx);
     void StartSixAxisSensor(Kernel::HLERequestContext& ctx);
     void SetGyroscopeZeroDriftMode(Kernel::HLERequestContext& ctx);
+    void GetGyroscopeZeroDriftMode(Kernel::HLERequestContext& ctx);
+    void ResetGyroscopeZeroDriftMode(Kernel::HLERequestContext& ctx);
     void IsSixAxisSensorAtRest(Kernel::HLERequestContext& ctx);
     void SetSupportedNpadStyleSet(Kernel::HLERequestContext& ctx);
     void GetSupportedNpadStyleSet(Kernel::HLERequestContext& ctx);