The thing is, `/sys/class/*/autocenter` is a non-standard property only exposed by some out-of-tree drivers. What I intend to do is to actually add device-querying capabilities to the Linux FFB api so these things could be easily obtained.
autocenter and other sysfs knobs were exposed basically for use by `Oversteer`
Moreover, if users actually want to control the autocenter behavior, they could already do it outside of wine wine software/commands specific to their hardware.