Make LCD_CONTRAST_MAX >= _LCD_CONTRAST_INIT (MarlinFirmware#15046)

fmuntean · Aug 25, 2019 · 1461ee4 · 1461ee4
1 parent 9e9e578
commit 1461ee4
Showing 1 changed file with 3 additions and 1 deletion.
diff --git 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