From 5a80bf05369815134fb2cb18f732612781890cc9 Mon Sep 17 00:00:00 2001
From: Kurt Haenen <Misterke@users.noreply.github.com>
Date: Sat, 21 Nov 2020 02:48:53 +0100
Subject: [PATCH] Fix backward Filament (Presence) Sensor pulls (#20228)

Co-authored-by: Kurt Haenen <Kurt.Haenen@quintux.com>
Co-authored-by: Scott Lahteine <github@thinkyhead.com>
---
 Marlin/src/feature/runout.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Marlin/src/feature/runout.h b/Marlin/src/feature/runout.h
index aa1ccc9cc52a..e1b9ca11b74e 100644
--- a/Marlin/src/feature/runout.h
+++ b/Marlin/src/feature/runout.h
@@ -149,7 +149,7 @@ class FilamentSensorBase {
 
   public:
     static inline void setup() {
-      #define _INIT_RUNOUT_PIN(P,S,U) do{ if (DISABLED(U)) SET_INPUT(P); else if (S) SET_INPUT_PULLDOWN(P); else SET_INPUT_PULLUP(P); }while(0)
+      #define _INIT_RUNOUT_PIN(P,S,U) do{ if (DISABLED(U)) SET_INPUT(P); else if (S) SET_INPUT_PULLUP(P); else SET_INPUT_PULLDOWN(P); }while(0)
       #define  INIT_RUNOUT_PIN(N) _INIT_RUNOUT_PIN(FIL_RUNOUT##N##_PIN, FIL_RUNOUT##N##_STATE, FIL_RUNOUT##N##_PULL)
       #if NUM_RUNOUT_SENSORS >= 1
         INIT_RUNOUT_PIN(1);