elif chip_id == ap_chip.RK3399:
from adafruit_blinka.microcontroller.rockchip.rk3399 import *
elif chip_id == ap_chip.RK3399_T:
elif chip_id == ap_chip.RK3399:
from adafruit_blinka.microcontroller.rockchip.rk3399 import *
elif chip_id == ap_chip.RK3399_T: