menu "Example Configuration"
    config EXAMPLE_USED_LDO_CHAN_ID
        int "example used LDO channel ID"
        default 3
        help
            Example used LDO channel ID, you may check datasheet to know more details.

    config EXAMPLE_USED_LDO_VOLTAGE_MV
        int "example used LDO voltage in mV"
        default 2500
        range 0 3300
        help
            Example used LDO voltage, in mV

    choice EXAMPLE_SOURCE_IMAGE_FORMAT
        prompt "Select source image format"
        default EXAMPLE_SOURCE_IMAGE_FORMAT_JPEG
        help
            Select the source image format

        config EXAMPLE_SOURCE_IMAGE_FORMAT_JPEG
            bool "JPEG"

        config EXAMPLE_SOURCE_IMAGE_FORMAT_RGB565
            bool "RGB565"
    endchoice

endmenu