How to enable 2 RX channel of adrv9009 base on adrv9009-iiostream.c?

Hello,engineers!

I am using adrv9009 rf board and zcu102 to design. Now, I want to know how to enable 2nd RX channel of adrv9009 . shown as below:

I should modify the code like:

  

and refill the buffer like:

is it right?

Thanks for your reply!!