linux-kernel - Re: Droid 4 charging

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Message-ID: <20210221205613.yuvxoxzi33wa74s3@earth.universe>
Date:   Sun, 21 Feb 2021 21:56:13 +0100
From:   Sebastian Reichel <sre@...nel.org>
To:     Pavel Machek <pavel@....cz>
Cc:     Tony Lindgren <tony@...mide.com>,
        kernel list <linux-kernel@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-omap@...r.kernel.org, nekit1000@...il.com, mpartap@....net,
        merlijn@...zup.org, martin_rysavy@...trum.cz,
        phone-devel@...r.kernel.org, maemo-leste@...ts.dyne.org,
        Carl Philipp Klemm <philipp@...s.xyz>
Subject: Re: Droid 4 charging

Hi,

On Fri, Feb 19, 2021 at 10:57:53PM +0100, Pavel Machek wrote:
> > And then we still need to restart the charger at some point, but that
> > could happen based on much longer timeouts that what we currently have.
> 
> Li-ion batteries are very slow to self-discharge. This could timeout
> could be week... or maybe a year.

True, as long as the battery is not connected to anything. When connected
to something there are often leak currents. So leak currents must be
measured to figure out a sensible timeout.

-- Sebastian

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