From a4ef86a0217649428007b49fcb3c32a093ea9835 Mon Sep 17 00:00:00 2001
From: Zach Hilman <zachhilman@gmail.com>
Date: Sat, 6 Jul 2019 21:39:04 -0400
Subject: mii: Implement IDatabaseService SetInterfaceVersion

Appears to set a member variable used to affect the API that games access, and the method used to store data.
---
 src/core/hle/service/mii/mii.cpp | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/core/hle/service/mii/mii.cpp b/src/core/hle/service/mii/mii.cpp
index ce84e25ed..0b3923ad9 100644
--- a/src/core/hle/service/mii/mii.cpp
+++ b/src/core/hle/service/mii/mii.cpp
@@ -48,7 +48,7 @@ public:
             {19, nullptr, "Export"},
             {20, nullptr, "IsBrokenDatabaseWithClearFlag"},
             {21, &IDatabaseService::GetIndex, "GetIndex"},
-            {22, nullptr, "SetInterfaceVersion"},
+            {22, &IDatabaseService::SetInterfaceVersion, "SetInterfaceVersion"},
             {23, nullptr, "Convert"},
         };
         // clang-format on
@@ -350,8 +350,22 @@ private:
         rb.Push(index);
     }
 
+    void SetInterfaceVersion(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        current_interface_version = rp.PopRaw<u32>();
+
+        LOG_DEBUG(Service_Mii, "called, interface_version={:08X}", current_interface_version);
+
+        UNIMPLEMENTED_IF(current_interface_version != 1);
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
     MiiManager db;
 
+    u32 current_interface_version = 0;
+
     // Last read offsets of Get functions
     std::array<u32, 4> offsets{};
 };
-- 
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