From 01f452c37c84d952f0d0ddbf0441a8666389e1ef Mon Sep 17 00:00:00 2001
From: Brian <bgort@users.noreply.github.com>
Date: Thu, 18 May 2017 13:00:13 -0400
Subject: [PATCH] Tweak Azteeg X3 PRO _pins.h so Viki2 will work for those
 without a case light. - add comment explaining that the Panucatt Viki2 wiring
 diagram uses pin 44

---
 Marlin/pins_AZTEEG_X3_PRO.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Marlin/pins_AZTEEG_X3_PRO.h b/Marlin/pins_AZTEEG_X3_PRO.h
index 7701f8b681..65a060b345 100644
--- a/Marlin/pins_AZTEEG_X3_PRO.h
+++ b/Marlin/pins_AZTEEG_X3_PRO.h
@@ -144,9 +144,11 @@
 //
 // Misc. Functions
 //
-#undef DOGLCD_A0            // steal pin 44 for the case light
-#define DOGLCD_A0      57
 #if ENABLED(OK_TO_CHANGE_CASE_LIGHT)
+  #undef DOGLCD_A0            // steal pin 44 for the case light; if you have a Viki2 and have connected it
+  #define DOGLCD_A0      57   // following the Panucatt wiring diagram, you may need to tweak these pin assignments
+                              // as the wiring diagram uses pin 44 for DOGLCD_A0
+
   #undef CASE_LIGHT_PIN
   #define CASE_LIGHT_PIN 44    // must have a hardware PWM
 #endif