From mboxrd@z Thu Jan 1 00:00:00 1970 From: pavel@ucw.cz (Pavel Machek) Date: Sat, 23 Jan 2016 13:04:25 +0100 Subject: 4.5-rc0: n900 battery charging reverts to 100mA, indicator turns back on In-Reply-To: <201601212034.07727@pali> References: <20160121184234.GA17679@amd> <201601212034.07727@pali> Message-ID: <20160123120424.GA12497@amd> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu 2016-01-21 20:34:07, Pali Roh?r 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