Hi! > >>Is that _output_ device? What does it control? > >> > >> Pavel > >> > > > >It is an output with a variable resistance (like DAC is an output with a > >variable voltage).[1] > >So regarding the webpage of IIO[2], digital potentiometer must be coded on > >IIO API. Well.. you could argue soundcard is DAC with variable output voltage, too. In kernel, we group devices according to the function, not hw implementation. Anyway, go for IIO, its likely good match. > >[1] https://en.wikipedia.org/wiki/Digital_potentiometer > >[2] https://wiki.analog.com/software/linux/docs/iio/iio > After a deeper search on a recent branch, potentiometer are already handled > in IIO layer :D Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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