[audio] stub SetAudioDeviceOutputVolumeAutoTuneEnabled and IsAudioDeviceOutputVolumeAutoTuneEnabled (#3654)

For Pokémon LeafGreen Version and Pokémon FireRed Version

Co-authored-by: JPikachu <jpikachu.eden@gmail.com>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3654
Reviewed-by: Maufeat <sahyno1996@gmail.com>
Reviewed-by: Lizzie <lizzie@eden-emu.dev>
Co-authored-by: JPikachu <jpikachu@eden-emu.dev>
Co-committed-by: JPikachu <jpikachu@eden-emu.dev>

src/core/hle/service/audio/audio_device.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
@@ -36,8 +36,8 @@ IAudioDevice::IAudioDevice(Core::System& system_, u64 applet_resource_user_id, u
         {16, nullptr, "ReleaseAudioInputDeviceNotification"}, //17.0.0+
         {17, nullptr, "AcquireAudioOutputDeviceNotification"}, //17.0.0+
         {18, nullptr, "ReleaseAudioOutputDeviceNotification"}, //17.0.0+
-        {19, nullptr, "SetAudioDeviceOutputVolumeAutoTuneEnabled"}, //18.0.0+
-        {20, nullptr, "IsAudioDeviceOutputVolumeAutoTuneEnabled"}, //18.0.0+
+        {19, D<&IAudioDevice::SetAudioDeviceOutputVolumeAutoTuneEnabled>, "SetAudioDeviceOutputVolumeAutoTuneEnabled"}, //18.0.0+
+        {20, D<&IAudioDevice::IsAudioDeviceOutputVolumeAutoTuneEnabled>, "IsAudioDeviceOutputVolumeAutoTuneEnabled"}, //18.0.0+
         {21, nullptr, "IsActiveOutputDeviceEstimatedLowLatency"} //21.0.0+
     };
     RegisterHandlers(functions);
@@ -170,4 +170,15 @@ Result IAudioDevice::ListAudioOutputDeviceName(
     R_SUCCEED();
 }
 
+Result IAudioDevice::SetAudioDeviceOutputVolumeAutoTuneEnabled(bool enabled) {
+    LOG_WARNING(Service_Audio, "(STUBBED) called");
+    R_SUCCEED();
+}
+
+Result IAudioDevice::IsAudioDeviceOutputVolumeAutoTuneEnabled(Out<bool> out_enabled) {
+    LOG_WARNING(Service_Audio, "(STUBBED) called");
+    *out_enabled = false;
+    R_SUCCEED();
+}
+
 } // namespace Service::Audio

src/core/hle/service/audio/audio_device.h

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -49,6 +52,8 @@ private:
     Result ListAudioOutputDeviceName(
         OutArray<AudioDevice::AudioDeviceName, BufferAttr_HipcMapAlias> out_names,
         Out<s32> out_count);
+    Result SetAudioDeviceOutputVolumeAutoTuneEnabled(bool enabled);
+    Result IsAudioDeviceOutputVolumeAutoTuneEnabled(Out<bool> out_enabled);
 
     KernelHelpers::ServiceContext service_context;
     std::unique_ptr<AudioCore::Renderer::AudioDevice> impl;