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Groups > linux.kernel > #1315579
| From | Pavel Machek <pavel@ucw.cz> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: 4.5-rc0: n900 battery charging reverts to 100mA, indicator turns back on |
| Date | 2016-01-23 13:10 +0100 |
| Message-ID | <qU5aX-2qI-13@gated-at.bofh.it> (permalink) |
| References | <qTssW-M0-15@gated-at.bofh.it> <qTtfl-1mO-25@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu 2016-01-21 20:34:07, Pali Rohár wrote: > 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. Hmm, seems like I can't reproduce that any more. I now noticed that if I suspend machine it auto-resumes quickly, so maybe suspend was responsbile. I'll try running 4.5-rc0 for a while... Thanks, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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4.5-rc0: n900 battery charging reverts to 100mA, indicator turns back on Pavel Machek <pavel@ucw.cz> - 2016-01-21 19:50 +0100
Re: 4.5-rc0: n900 battery charging reverts to 100mA, indicator turns back on Sebastian Reichel <sre@kernel.org> - 2016-01-21 20:20 +0100
Re: 4.5-rc0: n900 battery charging reverts to 100mA, indicator turns back on Pavel Machek <pavel@ucw.cz> - 2016-01-21 20:50 +0100
Re: 4.5-rc0: n900 battery charging reverts to 100mA, indicator turns back on Sebastian Reichel <sre@kernel.org> - 2016-01-21 22:20 +0100
Re: 4.5-rc0: n900 battery charging reverts to 100mA, indicator turns back on Pali Rohár <pali.rohar@gmail.com> - 2016-01-21 20:40 +0100
Re: 4.5-rc0: n900 battery charging reverts to 100mA, indicator turns back on Pavel Machek <pavel@ucw.cz> - 2016-01-23 13:10 +0100
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