From: Pavel Machek <pavel@ucw.cz>
To: Tony Lindgren <tony@atomide.com>
Cc: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>,
kernel list <linux-kernel@vger.kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
linux-omap@vger.kernel.org, sre@kernel.org, nekit1000@gmail.com,
mpartap@gmx.net, merlijn@wizzup.org, martin_rysavy@centrum.cz,
phone-devel@vger.kernel.org, maemo-leste@lists.dyne.org
Subject: Re: Motorola Droid 4 -- Stopping charger when battery is full
Date: Thu, 13 Apr 2023 11:37:10 +0200 [thread overview]
Message-ID: <ZDfNRogC4ruBE4Xy@duo.ucw.cz> (raw)
In-Reply-To: <20230309071443.GF7501@atomide.com>
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> * Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com> [230307 14:10]:
> > Also, some guys have concerns about charging (and keeping it charged) @4.35,
> > because of the possibly reduced battery life.
>
> Yes for devices connected to a charger for long periods the battery will
> bloat up within some weeks or months. This happens easily when using a
> lapdock for example.
>
> A simple and safe solution here might be that we allow charging up to
> 4.35V only once when the charger is connected. Then we let the voltage
> decrease to 4.2V (or whatever known good maintenance voltage) if the
> charger stays connected.
Optimum solution would be user specifying "I want battery full
tommorow at 8am" and doing the right thing.
> For folks wanting to force the charge voltage higher we have the sysfs
> interface.
Yep, we just need to make sure it is usable for this.
Best regards,
Pavel
--
People of Russia, stop Putin before his war on Ukraine escalates.
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next prev parent reply other threads:[~2023-04-13 9:37 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-07 12:36 Pavel Machek
2023-03-07 14:10 ` Ivaylo Dimitrov
2023-03-09 7:14 ` Tony Lindgren
2023-04-13 9:37 ` Pavel Machek [this message]
2023-04-13 9:45 ` Tony Lindgren
2023-04-13 9:34 ` Pavel Machek
2023-04-13 14:41 ` Ivaylo Dimitrov
2023-03-21 19:25 ` d4: Usable with some caveats Pavel Machek
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