linux-kernel - Re: [PATCH 5/6] power: pcf50633: properly reenable charging when the supply conditions change

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Message-ID: <20091104214622.GA27325@elf.ucw.cz>
Date:	Wed, 4 Nov 2009 22:46:22 +0100
From:	Pavel Machek <pavel@....cz>
To:	Paul Fertser <fercerpav@...il.com>
Cc:	Anton Vorontsov <cbou@...l.ru>,
	David Woodhouse <dwmw2@...radead.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/6] power: pcf50633: properly reenable charging when
 the supply conditions change

On Thu 2009-11-05 00:24:58, Paul Fertser wrote:
> If chgmod == BATFULL, setting chgena has no effect. Datasheet says we
> need to set resume instead but when autoresume is used resume doesn't
> work. Clear and set chgena instead.
> 
> This enables a user to force charging by re-plugging USB even when the
> charger entered Battery Full mode, might be handy before a long
> trip.

And is against manufacturer recommendation and will unneccessary
shorted life of battery with frequent plugs/unplugs. Is it good idea?

If you want to "top-up" the battery, perhaps that should be on
explicit request, like something in /sys?
								Pavel




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