From 263f8edff8c4b649322193876e04442f15e66463 Mon Sep 17 00:00:00 2001
From: Thomas Moore <tcm0116@users.noreply.github.com>
Date: Mon, 25 Mar 2019 23:41:52 -0400
Subject: [PATCH] Disable volumetric extrusion during G26 (#13479)

---
 Marlin/src/gcode/bedlevel/G26.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Marlin/src/gcode/bedlevel/G26.cpp b/Marlin/src/gcode/bedlevel/G26.cpp
index 20169dc586..a98eff5fb6 100644
--- a/Marlin/src/gcode/bedlevel/G26.cpp
+++ b/Marlin/src/gcode/bedlevel/G26.cpp
@@ -686,6 +686,12 @@ void GcodeSuite::G26() {
     set_current_from_destination();
   }
 
+  #if DISABLED(NO_VOLUMETRICS)
+    bool volumetric_was_enabled = parser.volumetric_enabled;
+    parser.volumetric_enabled = false;
+    planner.calculate_volumetric_multipliers();
+  #endif
+
   if (turn_on_heaters() != G26_OK) goto LEAVE;
 
   current_position[E_AXIS] = 0.0;
@@ -909,6 +915,11 @@ void GcodeSuite::G26() {
   move_to(destination, 0);                                    // Move back to the starting position
   //debug_current_and_destination(PSTR("done doing X/Y move."));
 
+  #if DISABLED(NO_VOLUMETRICS)
+    parser.volumetric_enabled = volumetric_was_enabled;
+    planner.calculate_volumetric_multipliers();
+  #endif
+
   #if HAS_LCD_MENU
     ui.release();                                             // Give back control of the LCD
   #endif