HdfDriverManagerGetDriver:try to dynamic load driver

想通过APP->UHDF->KHDF来控制一个led，但是在加载UHDF驱动so文件时候加载不了。系统刚启动时执行dmesg | grep uhdf_test_led时没有输出，再执行完led_test red 1后执行dmesg | grep uhdf_test_led有如下输出：

# dmesg | grep uhdf_test_led

# led_test red 1

# dmesg | grep uhdf_test_led

[   53.172105] [I/HDF_LOG_TAG] HdfDriverManagerGetDriver:try to dynamic load driver libuhdf_test_led.z.so\x0d

[   53.172792] [E/HDF_LOG_TAG] HdfDriverManagerGetDriver:driver libuhdf_test_led.z.so not found\x0d

[   53.172812] [E/devhost_service] failed to add device libuhdf_test_led.z.so, get driver failed\x0d

# ls /vendor/lib/libuhdf_test_led.z.so

/vendor/lib/libuhdf_test_led.z.so

这是为什么