Fix typo

src/core/hle/service/hid/controllers/npad.cpp

@@ -673,18 +673,15 @@ void Controller_NPad::VibrateController(const std::vector<u32>& controllers,
         return;
     }
     bool success = true;
-    for (std::size_t i = 0; i < controllers.size(); ++i) {
-        if (!connected_controllers[i].is_connected) {
-            continue;
+    if (vibrations.size() == 1) {
+        for (std::size_t i = 0; i < controllers.size(); ++i) {
+            const std::size_t controller = (controllers[i] >> 8) & 0x7;
+            success = success && VibratePhysicalController(controller, vibrations[0]);
         }
-        using namespace Settings::NativeButton;
-        const auto& button_state = buttons[i];
-        if (button_state[A - BUTTON_HID_BEGIN]) {
-            if (button_state[A - BUTTON_HID_BEGIN]->SetRumblePlay(
-                    vibrations[0].amp_high, vibrations[0].amp_low, vibrations[0].freq_high,
-                    vibrations[0].freq_low)) {
-                success = false;
-            }
+    } else {
+        for (std::size_t i = 0; i < vibrations.size(); ++i) {
+            const std::size_t controller = i / 2;
+            success = success && VibratePhysicalController(controller, vibrations[i]);
         }
     }
     if (success) {
@@ -692,6 +689,21 @@ void Controller_NPad::VibrateController(const std::vector<u32>& controllers,
     }
 }
 
+bool Controller_NPad::VibratePhysicalController(std::size_t controller, Vibration vibration) {
+    if (!connected_controllers[controller].is_connected) {
+        return true;
+    }
+    using namespace Settings::NativeButton;
+    const auto& button_state = buttons[controller];
+    const auto controller_type = connected_controllers[controller].type;
+    const auto use_button = controller_type == NPadControllerType::JoyLeft ? DDown : A;
+    if (button_state[use_button - BUTTON_HID_BEGIN]) {
+        return !button_state[use_button - BUTTON_HID_BEGIN]->SetRumblePlay(
+            vibration.amp_high, vibration.amp_low, vibration.freq_high, vibration.freq_low);
+    }
+    return true;
+}
+
 Controller_NPad::Vibration Controller_NPad::GetLastVibration() const {
     return last_processed_vibration;
 }

src/core/hle/service/hid/controllers/npad.h

@@ -128,6 +128,9 @@ public:
     void VibrateController(const std::vector<u32>& controllers,
                            const std::vector<Vibration>& vibrations);
 
+    // Vibrates a specific controller
+    bool VibratePhysicalController(std::size_t controller, Vibration vibration);
+
     Vibration GetLastVibration() const;
 
     std::shared_ptr<Kernel::ReadableEvent> GetStyleSetChangedEvent(u32 npad_id) const;