GPIO expander user space access(ie. pca9552)

[Andrew Jeffery]

On Tue, 2017-01-31 at 12:48 -0600, Patrick Williams wrote:
> It isn't typical to have the same i2c chip registered in two subsystems
> (leds and gpio) at the same time, is it?

I wouldn't think so.

>   So we would need to get the leds
> driver enhanced to also support gpio manipulation? 

I would have to take a deeper look.

>  Since the chip
> doesn't support an interrupt line we are also stuck with polling,
> correct?

Yes.

Andrew
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