From 1449ed9dbf7d968d9db2e5bc04b97c4950086a47 Mon Sep 17 00:00:00 2001
From: Morph1984 <39850852+Morph1984@users.noreply.github.com>
Date: Tue, 3 Sep 2019 23:13:32 -0400
Subject: [PATCH 1/2] audren_u: Stub IAudioDevice::QueryAudioDeviceInputEvent

---
 src/core/hle/service/audio/audren_u.cpp | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/core/hle/service/audio/audren_u.cpp b/src/core/hle/service/audio/audren_u.cpp
index 5b0b7f17e3..8e0cd96bea 100644
--- a/src/core/hle/service/audio/audren_u.cpp
+++ b/src/core/hle/service/audio/audren_u.cpp
@@ -173,7 +173,7 @@ public:
             {7, &IAudioDevice::SetAudioDeviceOutputVolume, "SetAudioDeviceOutputVolumeAuto"},
             {8, nullptr, "GetAudioDeviceOutputVolumeAuto"},
             {10, &IAudioDevice::GetActiveAudioDeviceName, "GetActiveAudioDeviceNameAuto"},
-            {11, nullptr, "QueryAudioDeviceInputEvent"},
+            {11, &IAudioDevice::QueryAudioDeviceInputEvent, "QueryAudioDeviceInputEvent"},
             {12, &IAudioDevice::QueryAudioDeviceOutputEvent, "QueryAudioDeviceOutputEvent"},
             {13, nullptr, "GetAudioSystemMasterVolumeSetting"},
         };
@@ -183,6 +183,10 @@ public:
         buffer_event = Kernel::WritableEvent::CreateEventPair(kernel, Kernel::ResetType::Automatic,
                                                               "IAudioOutBufferReleasedEvent");
 
+        // Should be similar to audio_output_device_switch_event
+        audio_input_device_switch_event = Kernel::WritableEvent::CreateEventPair(
+            kernel, Kernel::ResetType::Automatic, "IAudioDevice:AudioInputDeviceSwitchedEvent");
+
         // Should only be signalled when an audio output device has been changed, example: speaker
         // to headset
         audio_output_device_switch_event = Kernel::WritableEvent::CreateEventPair(
@@ -279,6 +283,15 @@ private:
         rb.Push<u32>(1);
     }
 
+    // Should be similar to QueryAudioDeviceOutputEvent
+    void QueryAudioDeviceInputEvent(Kernel::HLERequestContext& ctx) {
+        LOG_WARNING(Service_Audio, "(STUBBED) called");
+
+        IPC::ResponseBuilder rb{ctx, 2, 1};
+        rb.Push(RESULT_SUCCESS);
+        rb.PushCopyObjects(audio_input_device_switch_event.readable);
+    }
+
     void QueryAudioDeviceOutputEvent(Kernel::HLERequestContext& ctx) {
         LOG_DEBUG(Service_Audio, "called");
 

From 84815fa879aecbec7311385009649fdb721eba45 Mon Sep 17 00:00:00 2001
From: Morph1984 <39850852+Morph1984@users.noreply.github.com>
Date: Tue, 3 Sep 2019 23:50:56 -0400
Subject: [PATCH 2/2] Add Kernel::EventPair audio_input_device_switch_event;

---
 src/core/hle/service/audio/audren_u.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/core/hle/service/audio/audren_u.cpp b/src/core/hle/service/audio/audren_u.cpp
index 8e0cd96bea..96f180613b 100644
--- a/src/core/hle/service/audio/audren_u.cpp
+++ b/src/core/hle/service/audio/audren_u.cpp
@@ -302,6 +302,7 @@ private:
 
     u32_le revision = 0;
     Kernel::EventPair buffer_event;
+    Kernel::EventPair audio_input_device_switch_event;
     Kernel::EventPair audio_output_device_switch_event;
 
 }; // namespace Audio