Re: [PATCH v2] regulator: wm8994: Add an off-on delay for WM8994 variant

From: Mark Brown
Date: Mon Mar 28 2022 - 10:37:09 EST


On Mon, Mar 28, 2022 at 01:11:32PM +0000, Charles Keepax wrote:

> Part of me wonders if we should just apply it to 1811 and 8958
> anyway, I suspect they have the same IP for the LDO and its just
> the datasheets never got updated. I had a go chasing the apps guys
> here but we are a little short on people who remember details of
> these parts. So I guess we trust the datasheets for now, unless
> you have any strong feelings, Mark?

With something like this the on/off time may be a requirement of the
thing being powered rather than the regulator, the device might see
enough power loss to confuse state but not trip the power on reset.

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