hid: Implement DeactivateNpad

Makes use of the already existing DeactivateController function.

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

@@ -195,7 +195,7 @@ Hid::Hid(Core::System& system) : ServiceFramework("hid"), system(system) {
         {101, &Hid::GetSupportedNpadStyleSet, "GetSupportedNpadStyleSet"},
         {102, &Hid::SetSupportedNpadIdType, "SetSupportedNpadIdType"},
         {103, &Hid::ActivateNpad, "ActivateNpad"},
-        {104, nullptr, "DeactivateNpad"},
+        {104, &Hid::DeactivateNpad, "DeactivateNpad"},
         {106, &Hid::AcquireNpadStyleSetUpdateEventHandle, "AcquireNpadStyleSetUpdateEventHandle"},
         {107, &Hid::DisconnectNpad, "DisconnectNpad"},
         {108, &Hid::GetPlayerLedPattern, "GetPlayerLedPattern"},
@@ -470,6 +470,17 @@ void Hid::ActivateNpad(Kernel::HLERequestContext& ctx) {
     applet_resource->ActivateController(HidController::NPad);
 }
 
+void Hid::DeactivateNpad(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_DEBUG(Service_HID, "called, applet_resource_user_id={}", applet_resource_user_id);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+    applet_resource->DeactivateController(HidController::NPad);
+}
+
 void Hid::AcquireNpadStyleSetUpdateEventHandle(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     const auto npad_id{rp.Pop<u32>()};

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

@@ -99,6 +99,7 @@ private:
     void GetSupportedNpadStyleSet(Kernel::HLERequestContext& ctx);
     void SetSupportedNpadIdType(Kernel::HLERequestContext& ctx);
     void ActivateNpad(Kernel::HLERequestContext& ctx);
+    void DeactivateNpad(Kernel::HLERequestContext& ctx);
     void AcquireNpadStyleSetUpdateEventHandle(Kernel::HLERequestContext& ctx);
     void DisconnectNpad(Kernel::HLERequestContext& ctx);
     void GetPlayerLedPattern(Kernel::HLERequestContext& ctx);