Re: [2.624-rc1 regression] lost battery information

Alexey Starikovskiy
2007-10-26T18:12:21Z

Andrey Borzenkov wrote:
> On Friday 26 October 2007, Alexey Starikovskiy wrote:
>> Andrey Borzenkov wrote:
>>> I have lost battery in 2.6.24-rc1. Without CONFIG_ACPI_PROCFS I have
>>> no /proc/acpi/battery and cannot test netlink interface because right now
>>> there is no consumer of this.
>> for /sysfs interface you need to enable power_supply driver.
>> or you could apply this patch and power_supply will be selected by battery
>> itself.
>>
>
> I already have power_supply module, battery depends on it and it is autloaded.
> But I fail to see where I can get battery info in /sys
Intent was to put into /sysfs same information:
aystarik@samsung:~/client_conf$ ls /sys/class/power_supply/BAT1/
alarm charge_full charge_full_design charge_now current_now device manufacturer model_name present status subsystem technology type uevent voltage_min_design voltage_now

aystarik@samsung:~/client_conf$ cat /sys/class/power_supply/BAT1/*
0
4172000
4300000
4172000
0
cat: /sys/class/power_supply/BAT1/device: Is a directory
Pacifi
Bat1
1
Full
cat: /sys/class/power_supply/BAT1/subsystem: Is a directory
Li-ion
Battery
PHYSDEVPATH=/devices/LNXSYSTM:00/device:00/PNP0C0A:00
PHYSDEVBUS=acpi
PHYSDEVDRIVER=battery
POWER_SUPPLY_NAME=BAT1
POWER_SUPPLY_TYPE=Battery
POWER_SUPPLY_STATUS=Full
POWER_SUPPLY_PRESENT=1
POWER_SUPPLY_TECHNOLOGY=Li-ion
POWER_SUPPLY_VOLTAGE_MIN_DESIGN=14800000
POWER_SUPPLY_VOLTAGE_NOW=16522000
POWER_SUPPLY_CURRENT_NOW=0
POWER_SUPPLY_CHARGE_FULL_DESIGN=4300000
POWER_SUPPLY_CHARGE_FULL=4172000
POWER_SUPPLY_CHARGE_NOW=4172000
POWER_SUPPLY_MODEL_NAME=Bat1
POWER_SUPPLY_MANUFACTURER=Pacifi
14800000
16522000

aystarik@samsung:~/client_conf$ cat /proc/acpi/battery/BAT1/*
alarm: unsupported
present: yes
design capacity: 4300 mAh
last full capacity: 4172 mAh
battery technology: rechargeable
design voltage: 14800 mV
design capacity warning: 208 mAh
design capacity low: 41 mAh
capacity granularity 1: 41 mAh
capacity granularity 2: 41 mAh
model number: Bat1
serial number: 001
battery type: LION
OEM info: Pacifi
present: yes
capacity state: ok
charging state: charged
present rate: 0 mA
remaining capacity: 4172 mAh
present voltage: 16518 mV