Re: [PATCH V1 3/3] regulator: slg51000: add slg51000 regulator driver

From: Mark Brown
Date: Wed Apr 17 2019 - 11:49:13 EST


On Wed, Apr 17, 2019 at 11:25:29AM +0000, Eric Hyeung Dong Jeong wrote:
> On Wednesday, April 17, 2019 12:25 AM +0900, Mark Brown wrote:

> > This looks like it should be a get_status() operation as it's reading
> > status bits rather than the command we sent to the device - for that
> > just use regulator_is_enabled_regmap().

> I thought that it needs to return current status of a regulator when the function is called.
> I am wondering that the *is_enabled()* function is just to check
> If a regulator has been turned on or not rather than getting current status of the regulator.

It should say if we told the hardware to enable the regulator so the
former - basically, is the hardware in the same state it'd be in after
we called _enable() or _disable(). If there's a fault then that should
only affect is_enabled() if it resets the enable bit that _enable() set.

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