From c4d57462dc96f7da5c9e46600a9c6c2da41f537e Mon Sep 17 00:00:00 2001
From: Scott Lahteine <github@thinkyhead.com>
Date: Mon, 27 Apr 2020 04:49:31 -0500
Subject: [PATCH] Apply HAS_MULTI_HOTEND

---
 Marlin/src/inc/Conditionals_LCD.h  | 2 +-
 Marlin/src/inc/Conditionals_post.h | 6 +++---
 Marlin/src/module/tool_change.cpp  | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/Marlin/src/inc/Conditionals_LCD.h b/Marlin/src/inc/Conditionals_LCD.h
index c47899b34c..ab8b812f55 100644
--- a/Marlin/src/inc/Conditionals_LCD.h
+++ b/Marlin/src/inc/Conditionals_LCD.h
@@ -475,7 +475,7 @@
   #ifndef HOTEND_OVERSHOOT
     #define HOTEND_OVERSHOOT 15
   #endif
-  #if HOTENDS_ > 1
+  #if HOTENDS > 1
     #define HAS_MULTI_HOTEND 1
     #define HAS_HOTEND_OFFSET 1
   #endif
diff --git a/Marlin/src/inc/Conditionals_post.h b/Marlin/src/inc/Conditionals_post.h
index b4f68fcf7b..5635453b64 100644
--- a/Marlin/src/inc/Conditionals_post.h
+++ b/Marlin/src/inc/Conditionals_post.h
@@ -1753,7 +1753,7 @@
 #if HAS_HOTEND && PIN_EXISTS(E0_AUTO_FAN)
   #define HAS_AUTO_FAN_0 1
 #endif
-#if HOTENDS > 1 && PIN_EXISTS(E1_AUTO_FAN)
+#if HAS_MULTI_HOTEND && PIN_EXISTS(E1_AUTO_FAN)
   #define HAS_AUTO_FAN_1 1
 #endif
 #if HOTENDS > 2 && PIN_EXISTS(E2_AUTO_FAN)
@@ -1997,7 +1997,7 @@
  */
 
 #define WRITE_HEATER_0P(v) WRITE(HEATER_0_PIN, (v) ^ HEATER_0_INVERTING)
-#if HOTENDS > 1 || ENABLED(HEATERS_PARALLEL)
+#if EITHER(HAS_MULTI_HOTEND, HEATERS_PARALLEL)
   #define WRITE_HEATER_1(v) WRITE(HEATER_1_PIN, (v) ^ HEATER_1_INVERTING)
   #if HOTENDS > 2
     #define WRITE_HEATER_2(v) WRITE(HEATER_2_PIN, (v) ^ HEATER_2_INVERTING)
@@ -2017,7 +2017,7 @@
       #endif // HOTENDS > 4
     #endif // HOTENDS > 3
   #endif // HOTENDS > 2
-#endif // HOTENDS > 1
+#endif // HAS_MULTI_HOTEND || HEATERS_PARALLEL
 #if ENABLED(HEATERS_PARALLEL)
   #define WRITE_HEATER_0(v) { WRITE_HEATER_0P(v); WRITE_HEATER_1(v); }
 #else
diff --git a/Marlin/src/module/tool_change.cpp b/Marlin/src/module/tool_change.cpp
index c1060c1233..9908d37cda 100644
--- a/Marlin/src/module/tool_change.cpp
+++ b/Marlin/src/module/tool_change.cpp
@@ -1244,7 +1244,7 @@ void tool_change(const uint8_t new_tool, bool no_move/*=false*/) {
     #endif
 
     // Migrate the temperature to the new hotend
-    #if HOTENDS > 1
+    #if HAS_MULTI_HOTEND
       thermalManager.setTargetHotend(thermalManager.degTargetHotend(active_extruder), migration_extruder);
       #if HAS_DISPLAY
         thermalManager.set_heating_message(0);