AIQ log怎么打开,设置LOG没有输出

Which version of system do you use? Khadas official images, self built images, or others?

official images

Please describe your issue below:

export persist_camera_engine_log=0x4ff4
后没有RK_AIQ的log产生,请问怎么打开AIQ的log

Post a console log of your issue below:


**Delete this line and post your log here.**