Multiple dec2114x units on ppc

[Valette Eric]

gregory.menke at gsfc.nasa.gov wrote:

>  > 4) In spite of the wrappers etc. the mods. do _not_ implement
>  >     support for multiple devices correctly.
>  >     This is actually a _very_ good example why having the
>  >     'on'/'off' handlers in the API is a BAD BAD idea.

On/Off are per devices. If you want to make them generic (which they 
have never intended to be), you indeed need to have also and additionnal 
parameter or use the data passed back to make them work generic.

-- eric