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From: Pavel Machek <pavel@ucw.cz>
To: Tony Lindgren <tony@atomide.com>
Cc: 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
Subject: Re: Motorola Droid 4 progress, power consumption
Date: Wed, 2 May 2018 23:32:10 +0200	[thread overview]
Message-ID: <20180502213210.GA10306@amd> (raw)
In-Reply-To: <20180502194229.GM98604@atomide.com>

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Hi!

> > I also have some hacks to allow configuration of the full
> > voltage. Charging to 4.35V is pretty agressive, and I believe baterry
> > will be damaged less if we only charge to 4.1V.
> 
> That should be based on the PMIC register values that Android
> uses. Worth rechecking for sure, I thought it is higher than
> normal too for the charge voltage.

Actually that part is ok. Android probably charges it to 4.35V, and
battery is designed to handle that... For a year, or two. But I don't need
full capacity at the moment, and perhaps battery will last three years
if it is only charged to 4.1V.

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

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WARNING: multiple messages have this Message-ID (diff)
From: pavel@ucw.cz (Pavel Machek)
To: linux-arm-kernel@lists.infradead.org
Subject: Motorola Droid 4 progress, power consumption
Date: Wed, 2 May 2018 23:32:10 +0200	[thread overview]
Message-ID: <20180502213210.GA10306@amd> (raw)
In-Reply-To: <20180502194229.GM98604@atomide.com>

Hi!

> > I also have some hacks to allow configuration of the full
> > voltage. Charging to 4.35V is pretty agressive, and I believe baterry
> > will be damaged less if we only charge to 4.1V.
> 
> That should be based on the PMIC register values that Android
> uses. Worth rechecking for sure, I thought it is higher than
> normal too for the charge voltage.

Actually that part is ok. Android probably charges it to 4.35V, and
battery is designed to handle that... For a year, or two. But I don't need
full capacity at the moment, and perhaps battery will last three years
if it is only charged to 4.1V.

Best regards,
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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  reply	other threads:[~2018-05-02 21:32 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-01 18:31 Motorola Droid 4 progress, power consumption Pavel Machek
2018-05-02 14:41 ` Tony Lindgren
2018-05-02 14:41   ` Tony Lindgren
2018-05-02 19:10   ` Pavel Machek
2018-05-02 19:10     ` Pavel Machek
2018-05-02 19:42     ` Tony Lindgren
2018-05-02 19:42       ` Tony Lindgren
2018-05-02 21:32       ` Pavel Machek [this message]
2018-05-02 21:32         ` Pavel Machek
2018-05-03  9:06   ` Pavel Machek
2018-05-03  9:06     ` Pavel Machek
2018-05-03 14:22     ` Tony Lindgren
2018-05-03 14:22       ` Tony Lindgren
2018-05-04 20:20       ` Pavel Machek
2018-05-04 20:20         ` Pavel Machek
2018-05-04 20:38         ` Tony Lindgren
2018-05-04 20:38           ` Tony Lindgren
2018-05-04 21:47           ` Pavel Machek
2018-05-04 21:47             ` Pavel Machek
2018-05-05 19:44             ` Tony Lindgren
2018-05-05 19:44               ` Tony Lindgren

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