From 1461ee4d3635a94ceac01da39449e960215a3fe5 Mon Sep 17 00:00:00 2001
From: Tim Moore <tim@youngmoores.com>
Date: Sun, 25 Aug 2019 02:25:07 -0700
Subject: [PATCH] Make LCD_CONTRAST_MAX >= _LCD_CONTRAST_INIT (#15046)
---
Marlin/src/inc/Conditionals_post.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/Marlin/src/inc/Conditionals_post.h b/Marlin/src/inc/Conditionals_post.h
index 6067b35688..f20d885690 100644
--- a/Marlin/src/inc/Conditionals_post.h
+++ b/Marlin/src/inc/Conditionals_post.h
@@ -292,8 +292,10 @@
#ifndef LCD_CONTRAST_MAX
#ifdef _LCD_CONTRAST_MAX
#define LCD_CONTRAST_MAX _LCD_CONTRAST_MAX
+ #elif _LCD_CONTRAST_INIT > 63
+ #define LCD_CONTRAST_MAX _LCD_CONTRAST_INIT
#else
- #define LCD_CONTRAST_MAX 63
+ #define LCD_CONTRAST_MAX 63 // ST7567 6-bits contrast
#endif
#endif
#ifndef DEFAULT_LCD_CONTRAST
--
GitLab