> I see.  Yes, you should use the serial number to identify which device 
> corresponds to which parameter value.  I don't know of any examples of 
> drivers doing that, but it should be easy enough to write.  And it will be 
> reliable, no matter what the order of probing is -- even if devices are 
> unplugged and then replugged.

Another possibility, for some kinds of parameters at least, is to set
them via sysfs after the device has been plugged in.

Ciao,

D.


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