Re: [PATCH 2/2] regulator: da9052: Simplify checking DVC controlled regulators

[Mark Brown]

On Fri, Jun 18, 2021 at 10:14:12PM +0800, Axel Lin wrote:

> Only DVC controlled regulators have activate_bit set, so just check
> activate_bit we can know if the regulator is DVC controlled.

This feels a bit icky - what if the activate_bit for some variant were
bit 0?  I'm not sure we're likely to see new variants but even so the
fact that 0 is a potentially valid value for the bit feels wrong.

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