From 63f6ad3fd22121204ff673e38ac3b3ed4cd9ed2d Mon Sep 17 00:00:00 2001
From: Scott Lahteine <github@thinkyhead.com>
Date: Sat, 20 Apr 2019 19:14:57 -0500
Subject: [PATCH] Basic RAMPS SD_DETECT_PIN override

---
 Marlin/src/pins/pins_RAMPS.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Marlin/src/pins/pins_RAMPS.h b/Marlin/src/pins/pins_RAMPS.h
index a705e3e194..120748eeb3 100644
--- a/Marlin/src/pins/pins_RAMPS.h
+++ b/Marlin/src/pins/pins_RAMPS.h
@@ -436,7 +436,9 @@
       #endif
 
       #define BTN_ENC           35
-      #define SD_DETECT_PIN     49
+      #ifndef SD_DETECT_PIN
+        #define SD_DETECT_PIN   49
+      #endif
       #define KILL_PIN          41
 
       #if ENABLED(BQ_LCD_SMART_CONTROLLER)
-- 
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