It is possible to apply clutch-by-wire linearisation with HTG tuning Gearbox Control Unit.

That table adjusts feel of clutch-by-wire pedal response (analog based proportional sensor). If the input is a digital input (switch for example) that table has not much use ut can be used to limit maximal points of the switch.

To enable clutch-by-wire linearisation select YES in General Settings – Use clutch linearisation?

Above example is what we use most of the time.
X is pre-configured clutch-by-wire input from Inputs section (min and max values have to be calibrated in IO configuration)
Z (output of the table) is linearized object that will be used to control clutches by the HTG GCU.