Letux Kernel

Power

You are looking at an old revision of the page Power. This revision was created by Nikolaus Schaller.

Table of Content

How to control battery and charging

Read status of USB power and DC-In power

cat /sys/???

Read status of main battery

cat /sys/bus/platform/devices/twl4030-bci-battery/power_supply/twl4030_bci_battery/current_now
cat /sys/bus/platform/devices/twl4030-bci-battery/power_supply/twl4030_bci_battery/online
cat /sys/bus/platform/devices/twl4030-bci-battery/power_supply/twl4030_bci_battery/status
cat /sys/bus/platform/devices/twl4030-bci-battery/power_supply/twl4030_bci_battery/temp
cat /sys/bus/platform/devices/twl4030-bci-battery/power_supply/twl4030_bci_battery/type
cat /sys/bus/platform/devices/twl4030-bci-battery/power_supply/twl4030_bci_battery/voltage_now

Read status of backup battery

cat /sys/bus/platform/devices/twl4030-bci-battery/power_supply/twl4030_bci_battery/type
cat /sys/bus/platform/devices/twl4030-bci-battery/power_supply/twl4030_bci_battery/voltage_now

Read status of BQ27000 based battery

cat /sys/???