Re: [RESEND PATCH v10 4/4] power: wm831x_power: Support USB charger current limit management

From: Mark Brown
Date: Tue May 03 2016 - 06:58:10 EST


On Tue, May 03, 2016 at 09:30:48AM +0530, Manish Badarkhe wrote:
> On Tue, May 3, 2016 at 9:00 AM, Baolin Wang <baolin.wang@xxxxxxxxxx> wrote:

> > +static const unsigned int wm831x_usb_limits[] = {
> > + 0,
> > + 2,
> > + 100,
> > + 500,
> > + 900,
> > + 1500,
> > + 1800,
> > + 550,
> > +};

> Just for curiosity, How these current limits are getting decided?
> Can we have some proper defines over here so that it can be grasped easily?

They're in the silicon, it's just a table of values that were put into
the silicon at design time. The defines would just be TABLE_ENTRY_1 or
whatever.

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