linux-kernel - Re: 4.5-rc0: n900 battery charging reverts to 100mA, indicator turns back on

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Message-ID: <20160121191525.GA26215@earth>
Date:	Thu, 21 Jan 2016 20:15:25 +0100
From:	Sebastian Reichel <sre@...nel.org>
To:	Pavel Machek <pavel@....cz>
Cc:	pali.rohar@...il.com, kernel list <linux-kernel@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	linux-omap@...r.kernel.org, tony@...mide.com, khilman@...nel.org,
	aaro.koskinen@....fi, ivo.g.dimitrov.75@...il.com,
	patrikbachan@...il.com, serge@...lyn.com
Subject: Re: 4.5-rc0: n900 battery charging reverts to 100mA, indicator turns
 back on

Hi,

On Thu, Jan 21, 2016 at 07:42:34PM +0100, Pavel Machek wrote:
> In 4.4, n900 battery charging works. If indicator is turned off, it
> stays off, and if I select 1.8A charge, it sticks. (There may be
> problems after system suspend and resume. But normal operation seems
> to be pretty reliable).
> 
> In 4.5-rc0 (7fdec82af6a9e190e53d07a1463d2a9ac49a8750) battery charging
> works for few hours. But then indicator (yellow light on 3color LED)
> turns back on, and if I ask for 1.8A charge, it goes back to .1A,
> discharging battery.
> 
> Any ideas?

Maybe a side-effect of isp1704 driver actually doing what was
intended, which is is 88025632515a ("power: isp1704_charger: Fix
isp1704_write()").

P.S.: No need to Cc me two times and when you update your
script/contacts, please use sre@...nel.org :)

-- Sebastian

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