disable gamepad input partially

[SimpeDNO]

As I see, there is many limitations when it comes to XInput gamepad (xbox 360). Can you suggest a way (without or with external software) to do following:
Let's say I have variable foo in my script, if foo==1, x axis on gamepad doesn't work (in game), if foo==0, it works without any modification (i.e. how it physically being pushed slightly or to the end or rest in middle). Just on and off, no need to replace or modify anything.
Thanks.