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From: Alex Courbot <acourbot@nvidia.com>
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Subject: Re: [PATCH v5 2/4] pwm_backlight: use power sequences
Date: Fri, 7 Sep 2012 17:34:34 +0900
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On Friday 07 September 2012 16:29:03 Mark Brown wrote:
> On Fri, Sep 07, 2012 at 05:28:17PM +0900, Alex Courbot wrote:
> > We could make power sequences an option of its own and add #ifdefs to
> > drivers that use it to lift this ambiguity, but I like the transparency
> > of the current way. It also seems hard (illegal?) to get rid of the
> > legacy DT interface.
> If you're doing this I'd suggest using stubs rather than ifdefs in the
> users, otherwise it's just going to cause lots of annoyance from
> randconfig build.  Is the code likely to big enough to worry about,
> though?

I don't think is will ever become big enough to bother. Moreover if the power 
seqs way meets acceptance, new drivers/frameworks are likely to use them as 
the only option, making it really mandatory.

Alex.