How to optimize the parameters of ad9361?

Hi ad9361 experts:

    In the default_init_param, there are many parameters to initialize ad9361. I want to know how to optimize these parameters, especially for some threshold value in the agc control, like gc_lmt_overload_high_thresh, which is 800 default. How this 800 come? And how should I optimize this parameter and other threshold parameters to satisfy different situation?

Thanks a lot

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[edited by: xiji at 11:54 AM (GMT 0) on 13 Dec 2018]