This is closer to the prior behavior.
@ -293,7 +293,7 @@
#ifdef _LCD_CONTRAST_MAX
#define LCD_CONTRAST_MAX _LCD_CONTRAST_MAX
#elif _LCD_CONTRAST_INIT > 63
#define LCD_CONTRAST_MAX _LCD_CONTRAST_INIT
#define LCD_CONTRAST_MAX 255
#else
#define LCD_CONTRAST_MAX 63 // ST7567 6-bits contrast
#endif