[hle] adds SetProtocol to user local communication (#3329)

Stubs SetProtocol needed for Animal Crossing 3.0 LDN

SwitchBrew documentation: https://switchbrew.org/wiki/LDN_services#SetProtocol

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3329
Reviewed-by: MaranBr <[email protected]>
Reviewed-by: Lizzie <[email protected]>
Co-authored-by: Maufeat <[email protected]>
Co-committed-by: Maufeat <[email protected]>

src/core/hle/service/ldn/user_local_communication_service.cpp

@@ -38,6 +38,7 @@ IUserLocalCommunicationService::IUserLocalCommunicationService(Core::System& sys
             {102, D<&IUserLocalCommunicationService::Scan>, "Scan"},
             {103, D<&IUserLocalCommunicationService::ScanPrivate>, "ScanPrivate"},
             {104, D<&IUserLocalCommunicationService::SetWirelessControllerRestriction>, "SetWirelessControllerRestriction"},
+            { 106, D<&IUserLocalCommunicationService::SetProtocol>, "SetProtocol" },
             {200, D<&IUserLocalCommunicationService::OpenAccessPoint>, "OpenAccessPoint"},
             {201, D<&IUserLocalCommunicationService::CloseAccessPoint>, "CloseAccessPoint"},
             {202, D<&IUserLocalCommunicationService::CreateNetwork>, "CreateNetwork"},
@@ -188,6 +189,11 @@ Result IUserLocalCommunicationService::ScanPrivate(
     R_RETURN(lan_discovery.Scan(out_network_info, *network_count, scan_filter));
 }
 
+Result IUserLocalCommunicationService::SetProtocol(u32 protocol) {
+    LOG_WARNING(Service_LDN, "(STUBBED) called, protocol={}", protocol);
+    R_SUCCEED();
+}
+
 Result IUserLocalCommunicationService::SetWirelessControllerRestriction(
     WirelessControllerRestriction wireless_restriction) {
     LOG_WARNING(Service_LDN, "(STUBBED) called");

src/core/hle/service/ldn/user_local_communication_service.h

@@ -49,6 +49,8 @@ private:
     Result ScanPrivate(Out<s16> network_count, WifiChannel channel, const ScanFilter& scan_filter,
                        OutArray<NetworkInfo, BufferAttr_HipcAutoSelect> out_network_info);
 
+    Result SetProtocol(u32 protocol);
+
     Result SetWirelessControllerRestriction(WirelessControllerRestriction wireless_restriction);
 
     Result OpenAccessPoint();

src/core/hle/service/pctl/parental_control_service.cpp

@@ -292,7 +292,7 @@ Result IParentalControlService::EndFreeCommunication() {
 }
 
 Result IParentalControlService::IsFreeCommunicationAvailable() {
-    LOG_WARNING(Service_PCTL, "(STUBBED) called");
+    LOG_DEBUG(Service_PCTL, "(STUBBED) called");
 
     if (!CheckFreeCommunicationPermissionImpl()) {
         R_THROW(PCTL::ResultNoFreeCommunication);