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SubjectRe: [PATCH v3 3/3] regulator: bd9571mwv: Document "backup_mode" sysfs file
On Fri 2018-07-13 17:47:20, Geert Uytterhoeven wrote:
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>


> + following steps must be followed exactly:
> + 1. Configure PMIC for backup mode, to change the role of
> + the accessory power switch from a power switch to a
> + wake-up switch,
> + 2. Switch accessory power switch off, to prepare for
> + system suspend, which is a manual step not controlled
> + by software,
> + 3. Suspend system,
> + 4. Switch accessory power switch on, to resume the
> + system.
> + DDR Backup Mode must be explicitly enabled by the user,
> + to invoke step 1.

I'd add "please don't design hardware like that" :-). Anyway,

Acked-by: Pavel Machek <pavel@ucw.cz>

--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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