From 56b5074a1f40c38abea297464eb89a8bc5fed61e Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <andrew@tridgell.net>
Date: Thu, 24 Aug 2023 17:16:06 +1000
Subject: [PATCH] AP_Periph: fixed handling of first uart for RC input

---
 Tools/AP_Periph/rc_in.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Tools/AP_Periph/rc_in.cpp b/Tools/AP_Periph/rc_in.cpp
index f5f577adc6e44..83f691bda2816 100644
--- a/Tools/AP_Periph/rc_in.cpp
+++ b/Tools/AP_Periph/rc_in.cpp
@@ -77,7 +77,7 @@ Parameters_RCIN::Parameters_RCIN(void)
 
 void AP_Periph_FW::rcin_init()
 {
-    if (g_rcin.rcin1_port == 0) {
+    if (g_rcin.rcin1_port < 0) {
         return;
     }