rt-thread/components/drivers/graphic/backlight/Kconfig

menuconfig RT_GRAPHIC_BACKLIGHT
    bool "Backlight support"
    default n

config RT_GRAPHIC_BACKLIGHT_GPIO
    bool "Generic GPIO based backlight driver"
    depends on RT_GRAPHIC_BACKLIGHT
    depends on RT_USING_PIN
    default n

config RT_GRAPHIC_BACKLIGHT_PWM
    bool "Generic PWM based backlight driver"
    depends on RT_GRAPHIC_BACKLIGHT
    depends on RT_USING_OFW
    depends on RT_USING_PIN
    depends on RT_USING_PWM
    depends on RT_USING_REGULATOR
    default n

if RT_GRAPHIC_BACKLIGHT
    osource "$(SOC_DM_GRAPHIC_BACKLIGHT_DIR)/Kconfig"
endif