Reply to S4 Mapping Question

Hello All and Happy Holidays!

I was believeing of remapping my S4 so that the Filter Knobs control the line fader functions (Like a rotary mixer), have the gain knobs control the filter function and the line faders as gain controls...is this possible?

From what I read it looks like a custom tsi would have to be built as the default mapping cannot be touched.

Any ideas would be appreciated and thanks in advance!