From: "Pali Rohár" <pali.rohar@gmail.com>
To: Pavel Machek <pavel@ucw.cz>, kernel list <linux-kernel@vger.kernel.org>
Cc: linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
linux-omap@vger.kernel.org, tony@atomide.com, khilman@kernel.org,
aaro.koskinen@iki.fi, ivo.g.dimitrov.75@gmail.com,
patrikbachan@gmail.com, serge@hallyn.com, sre@kernel.org
Subject: Re: 4.5-rc0: n900 battery charging reverts to 100mA, indicator turns back on
Date: Thu, 21 Jan 2016 20:34:07 +0100 [thread overview]
Message-ID: <201601212034.07727@pali> (raw)
In-Reply-To: <20160121184234.GA17679@amd>
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On Thursday 21 January 2016 19:42:34 Pavel Machek wrote:
> Hi!
>
> 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).
Hm... right, bq2415x driver does not have support for suspend/resume.
Before suspend registers should be stored and after resume restored,
plus check charger auto detection.
> 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?
Look into bq24150a sysfs node what changes. Also if there is something
in dmesg.
> Best regards,
> Pavel
--
Pali Rohár
pali.rohar@gmail.com
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From: pali.rohar@gmail.com (Pali Rohár)
To: linux-arm-kernel@lists.infradead.org
Subject: 4.5-rc0: n900 battery charging reverts to 100mA, indicator turns back on
Date: Thu, 21 Jan 2016 20:34:07 +0100 [thread overview]
Message-ID: <201601212034.07727@pali> (raw)
In-Reply-To: <20160121184234.GA17679@amd>
On Thursday 21 January 2016 19:42:34 Pavel Machek wrote:
> Hi!
>
> 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).
Hm... right, bq2415x driver does not have support for suspend/resume.
Before suspend registers should be stored and after resume restored,
plus check charger auto detection.
> 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?
Look into bq24150a sysfs node what changes. Also if there is something
in dmesg.
> Best regards,
> Pavel
--
Pali Roh?r
pali.rohar at gmail.com
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next prev parent reply other threads:[~2016-01-21 19:34 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-21 18:42 4.5-rc0: n900 battery charging reverts to 100mA, indicator turns back on Pavel Machek
2016-01-21 18:42 ` Pavel Machek
2016-01-21 19:15 ` Sebastian Reichel
2016-01-21 19:15 ` Sebastian Reichel
2016-01-21 19:41 ` Pavel Machek
2016-01-21 19:41 ` Pavel Machek
2016-01-21 21:14 ` Sebastian Reichel
2016-01-21 21:14 ` Sebastian Reichel
2016-01-21 19:34 ` Pali Rohár [this message]
2016-01-21 19:34 ` Pali Rohár
2016-01-23 12:04 ` Pavel Machek
2016-01-23 12:04 ` Pavel Machek
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