Djm 900 NXS 2 USB port A / B Class compliant SOUND CARD mode

Hi, 

please Pioneer make Usb port A / B on Djm 900 nxs 2 compatible with usb class  compliant sound card. 

I really need  to connect my ipad to the mixer with iOS app DJ or music production on the 4 ch : 1/ 2/ 3/ 4.

do you project a new firmware with this mode.

thank you.