Re: [PATCH AUTOSEL 5.4 130/350] power: supply: cpcap-battery: Check voltage before orderly_poweroff

From: Pavel Machek
Date: Thu Dec 12 2019 - 07:17:52 EST

On Tue 2019-12-10 16:03:55, Sasha Levin wrote:
> From: Tony Lindgren <tony@xxxxxxxxxxx>
> [ Upstream commit 639c1524da3b273d20c42ff2387d08eb4b12e903 ]
> We can get the low voltage interrupt trigger sometimes way too early,
> maybe because of CPU load spikes. This causes orderly_poweroff() be
> called too easily.
> Let's check the voltage before orderly_poweroff in case it was not
> yet a permanent condition. We will be getting more interrupts anyways
> if the condition persists.
> Let's also show the measured voltages for low battery and battery
> empty warnings since we have them.

This is a tweak of power management parameters, not a fix for serious

Plus, it needs a lot of testing it did not get, yet.

Please drop from stable.
(cesky, pictures)

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