DEFAULT_LCD_PIN_BL  313 drivers/auxdisplay/panel.c #define DEFAULT_LCD_PIN_BL      PIN_NOT_SET
DEFAULT_LCD_PIN_BL  392 drivers/auxdisplay/panel.c #undef DEFAULT_LCD_PIN_BL
DEFAULT_LCD_PIN_BL  393 drivers/auxdisplay/panel.c #define DEFAULT_LCD_PIN_BL CONFIG_PANEL_LCD_PIN_BL