From b7aecd779a751f6837104d11b15ebf235bd1705a Mon Sep 17 00:00:00 2001
From: ellensp <ellensp@hotmail.com>
Date: Thu, 24 Sep 2020 08:44:15 +1200
Subject: [PATCH] Preserve brightness in EEPROM validate (#19485)

Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>
---
 Marlin/src/module/settings.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Marlin/src/module/settings.cpp b/Marlin/src/module/settings.cpp
index 6608b4033265..0fc23099ccb8 100644
--- a/Marlin/src/module/settings.cpp
+++ b/Marlin/src/module/settings.cpp
@@ -1804,10 +1804,11 @@ void MarlinSettings::postprocess() {
       //
       {
         _FIELD_TEST(lcd_contrast);
-
         int16_t lcd_contrast;
         EEPROM_READ(lcd_contrast);
-        TERN_(HAS_LCD_CONTRAST, ui.set_contrast(lcd_contrast));
+        if (!validating) {
+          TERN_(HAS_LCD_CONTRAST, ui.set_contrast(lcd_contrast));
+        }
       }
 
       //