Re: [PATCH v2 3/3] power: wm831x_power: Support USB charger current limit management

From: Mark Brown
Date: Mon Aug 17 2015 - 13:27:43 EST


On Mon, Aug 17, 2015 at 09:07:08AM +0800, Peter Chen wrote:
> On Fri, Aug 14, 2015 at 05:47:46PM +0800, Baolin Wang wrote:

> > + 1500,
> > + 1800,
> > + 550,
> > +};

> Why 550 is the last, but not 1800?

You'd have to ask the hardware engineers who designed the chip. I
suspect it's because 550 was added at a late stage in the design process
but I'm basically just guessing there.

> > *********************************************************************/
> > @@ -606,8 +646,31 @@ static int wm831x_power_probe(struct platform_device *pdev)
> > }
> > }

> > + if (wm831x_pdata && wm831x_pdata->usb_gadget) {

> Where the wm831x_pdata->usb_gadget is initialized?

It's platform data, it will be initialised by whatever registers the
platform data.

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