config ENABLE_LED
    bool "enable led"
    default n

if (ENABLE_LED)
    config LED_NUM
        int "the num of led"
        range 1 4
        default 1

    config LED_NAME
        string "the name of led 1"
        default "led"

    config LED_NAME_2
        string "the name of led 2"
        default "led2"
        depends on (LED_NUM > 1) 

    config LED_NAME_3
        string "the name of led 3"
        default "led3"
        depends on (LED_NUM > 2)  
        
    config LED_NAME_2
        string "the name of led 4"
        default "led4"
        depends on (LED_NUM > 3)           
endif