linux-kernel - Re: [PATCH 4/4] RX-51: Add platform function and data for bq24150a charger

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Date:	Tue, 24 Sep 2013 02:05:50 +0200
From:	Pavel Machek <pavel@....cz>
To:	Pali Rohár <pali.rohar@...il.com>,
	Tony Lindgren <tony@...mide.com>, linux-omap@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	freemangordon@....bg, aaro.koskinen@....fi
Subject: Re: [PATCH 4/4] RX-51: Add platform function and data for bq24150a
 charger

Hi!

> > No, isp1704 is power supply driver and export data via power 
> > supply (sysfs) interface. It is not regulator but charger driver.
> 
> well it does not charge the battery directly, but just provides a
> power line with 5 Volt and a specified amount of current to the
> system, doesn't it?

I don't want to talk about isp1704, but...

LiION charger is just something that provides 4.2V power line with
C/10 current limitation...

(IOW line between regulators and chargers is very very thin, if it
even exists).

									Pavel

            (who did use laboratory power supply as emergency battery charger)
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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