From 28014496c67eb7547f7df3821d07d7a2c32de661 Mon Sep 17 00:00:00 2001
From: zhupengfei <zhupf321@gmail.com>
Date: Tue, 3 Mar 2020 12:13:45 +0800
Subject: [PATCH] Fix incorrect port_id use

---
 src/core/hle/service/cam/cam.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/core/hle/service/cam/cam.cpp b/src/core/hle/service/cam/cam.cpp
index 47076f50c..c5d24c314 100644
--- a/src/core/hle/service/cam/cam.cpp
+++ b/src/core/hle/service/cam/cam.cpp
@@ -901,9 +901,10 @@ void Module::Interface::GetLatestVsyncTiming(Kernel::HLERequestContext& ctx) {
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
     rb.Push(RESULT_SUCCESS);
 
+    const std::size_t port_id = port_select.m_val == 1 ? 0 : 1;
     std::vector<u8> out(count * sizeof(s64_le));
     std::size_t offset = 0;
-    for (const s64_le timing : cam->ports[port_select.m_val].vsync_timings) {
+    for (const s64_le timing : cam->ports[port_id].vsync_timings) {
         std::memcpy(out.data() + offset * sizeof(timing), &timing, sizeof(timing));
         offset++;
         if (offset >= count) {