From 6b55cedd7380b679f559017b3fe39456aa7a7940 Mon Sep 17 00:00:00 2001
From: mageven <62494521+mageven@users.noreply.github.com>
Date: Wed, 27 May 2020 13:52:50 +0530
Subject: [PATCH] Fix GetDisplayVersion (#1276)

---
 .../ApplicationProxy/IApplicationFunctions.cs               | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Ryujinx.HLE/HOS/Services/Am/AppletOE/ApplicationProxyService/ApplicationProxy/IApplicationFunctions.cs b/Ryujinx.HLE/HOS/Services/Am/AppletOE/ApplicationProxyService/ApplicationProxy/IApplicationFunctions.cs
index 0787ce2452..51e8d3deb2 100644
--- a/Ryujinx.HLE/HOS/Services/Am/AppletOE/ApplicationProxyService/ApplicationProxy/IApplicationFunctions.cs
+++ b/Ryujinx.HLE/HOS/Services/Am/AppletOE/ApplicationProxyService/ApplicationProxy/IApplicationFunctions.cs
@@ -99,9 +99,9 @@ namespace Ryujinx.HLE.HOS.Services.Am.AppletOE.ApplicationProxyService.Applicati
         // GetDisplayVersion() -> nn::oe::DisplayVersion
         public ResultCode GetDisplayVersion(ServiceCtx context)
         {
-            // FIXME: Need to check correct version on a switch.
-            context.ResponseData.Write(1L);
-            context.ResponseData.Write(0L);
+            // This should work as DisplayVersion U8Span always gives a 0x10 size byte array.
+            // If an NACP isn't found, the buffer will be all '\0' which seems to be the correct implementation.
+            context.ResponseData.Write(context.Device.Application.ControlData.Value.DisplayVersion);
 
             return ResultCode.Success;
         }