On Sun 2015-02-01 10:47:02, Pavel Machek wrote: > Hi! > > I connected N900 with full battery using USB. For some reason, charge > limit was set to 100mA, battery was "full" and was discharging: > > root@n900:/my/tui/ofone# ./tefone > Ready. > Battery 4.017 V 4.039 V 81 % 0 % 0 / 0 / 2056 mAh Full -242.224 / 550 / 100 mA > > I adjusted the current limit, but got no change, battery is still > discharging, fast: > > root@n900:/my/tui/ofone# echo 500 > /sys/class/power_supply/bq24150a-0/current_limit > root@n900:/my/tui/ofone# ./tefone > Ready. > Battery 3.994 V 4.034 V 78 % 0 % 0 / 0 / 2056 mAh Full -251.506 / 550 / 500 mA > Battery 4.0 V 4.037 V 79 % 0 % 0 / 0 / 2056 mAh Full -223.125 / 550 / 500 mA > Battery 4.005 V 4.037 V 79 % 0 % 0 / 0 / 2056 mAh Full -224.91 / 550 / 500 mA > Battery 3.994 V 4.037 V 78 % 0 % 0 / 0 / 2056 mAh Full -224.91 / 550 / 500 mA > Battery 4.023 V 4.037 V 81 % 0 % 0 / 0 / 2056 mAh Full -224.91 / 550 / 500 mA > Battery 4.011 V 4.037 V 80 % 0 % 0 / 0 / 2056 mAh Full -224.91 / 550 / 500 mA > Battery 3.994 V 4.031 V 78 % 0 % 0 / 0 / 2056 mAh Full -256.504 / 550 / 500 mA > Battery 3.994 V 4.029 V 78 % 0 % 0 / 0 / 2056 mAh Full -224.017 / 550 / 500 mA > Battery 3.988 V 4.029 V 77 % 0 % 0 / 0 / 2056 mAh Full -224.731 / 550 / 500 mA > Battery 4.005 V 4.023 V 79 % 0 % 0 / 0 / 2056 mAh Full -223.66 / 550 / 500 mA > > I'm getting a lot of > > [ 208.037719] bq27x00-battery 2-0055: battery is not calibrated! ignoring capacity values > [ 238.038024] bq27x00-battery 2-0055: battery is not calibrated! ignoring capacity values > > messages, that's why all the 0s in battery information dump. > > Any ideas? Reset kicked the charger back into the charging mode: root@n900:/sys/class/power_supply/bq24150a-0# echo reset > mode root@n900:/sys/class/power_supply/bq24150a-0# cat mode auto (host) root@n900:/sys/class/power_supply/bq24150a-0# Battery 4.017 V 4.037 V 81 % 0 % 0 / 0 / 2056 mAh Charging -109.42 / 650 / 500 mA Battery 4.017 V 4.039 V 81 % 0 % 0 / 0 / 2056 mAh Charging -103.173 / 650 / 500 mA ...and discharge current reduced. I tried adjusting current limit, but it still discharges at 100mA (with screen on). USB extension cable was probably part of a problem. It works better with n900 plugged in directly into the PC. (But it still will not terminate the charge: Battery 4.158 V 4.177 V 95 % 0 % 0 / 0 / 2056 mAh Charging 13.03 / 650 / 500 mA Battery 4.164 V 4.177 V 96 % 0 % 0 / 0 / 2056 mAh Charging 13.03 / 650 / 500 mA Battery 4.164 V 4.177 V 96 % 0 % 0 / 0 / 2056 mAh Charging 10.888 / 650 / 500 mA Battery 4.164 V 4.177 V 96 % 0 % 0 / 0 / 2056 mAh Charging 1.249 / 650 / 500 mA Battery 4.164 V 4.177 V 96 % 0 % 0 / 0 / 2056 mAh Charging 10.353 / 650 / 500 mA Battery 4.158 V 4.177 V 95 % 0 % 0 / 0 / 2056 mAh Charging 9.639 / 650 / 500 mA Battery 4.164 V 4.177 V 96 % 0 % 0 / 0 / 2056 mAh Charging 10.71 / 650 / 500 mA Battery 4.164 V 4.177 V 96 % 0 % 0 / 0 / 2056 mAh Charging 7.497 / 650 / 500 mA Battery 4.158 V 4.177 V 95 % 0 % 0 / 0 / 2056 mAh Charging 9.639 / 650 / 500 mA Battery 4.164 V 4.177 V 96 % 0 % 0 / 0 / 2056 mAh Charging 6.247 / 650 / 500 mA Battery 4.164 V 4.177 V 96 % 0 % 0 / 0 / 2056 mAh Charging 5.533 / 650 / 500 mA Battery 4.164 V 4.177 V 96 % 0 % 0 / 0 / 2056 mAh Charging 4.284 / 650 / 500 mA Battery 4.164 V 4.177 V 96 % 0 % 0 / 0 / 2056 mAh Charging 4.284 / 650 / 500 mA Battery 4.164 V 4.177 V 96 % 0 % 0 / 0 / 2056 mAh Charging 3.927 / 650 / 500 mA ) Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
