Re: [PATCH] regulator: anatop: Drop min dropout for bypass mode

[Mark Brown]

On Tue, Mar 03, 2020 at 10:24:36PM +0800, Anson Huang wrote:
> Some of anatop regulators support bypass mode, and in bypass mode,
> minimum dropout is NOT required, the input voltage will be equal to
> the output voltage. The minimum dropout value is ONLY necessary for
> LDO enabled mode, so drop the minimum dropout for bypass mode to
> avoid unexpected high voltage output from PMIC supplies.

The goal makes sense but I don't think it makes sense to do this in the
driver - changing this without the core knowing is likely to lead to
confusion at some point and also I think this behaviour is likely to be
the same for every regulator that has a bypass mode (at least if it
isn't I'm kind of confused about how it's bypassing, usually the minimum
drop is a function of maintaining regulation).  Could you look into
doing something like this in the core instead please?

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