PM regression with LED changes in next-20161109

[Pavel Machek]

Hi!

> >Hmm. So userland can read the LED state, and it can get _some_ value
> >back, but it can not know if it is current state or not.
> >
> >I don't think that's a good interface. I see it is from 2008... is
> >someone using it? Maybe it is too late for revert.
> 
> I can imagine it being used in flash LED use case. E.g. one
> could use oneshot trigger to trigger flash strobe, and then
> he could periodically read brightness file to check, for whatever
> reason, whether the flash is strobing.

I'm pretty sure nobody does that for flah strobe.
									Pavel

-- 
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