linux-kernel - Re: [2.624-rc1 regression] lost battery information

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Date:	Fri, 26 Oct 2007 22:15:42 +0400
From:	Andrey Borzenkov <arvidjaar@...l.ru>
To:	Alexey Starikovskiy <aystarik@...il.com>
Cc:	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [2.624-rc1 regression] lost battery information

On Friday 26 October 2007, Alexey Starikovskiy wrote:
> 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@...sung:~/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
>

is it in -rc1 or can you point me to the patch (I'd rather avoid having to 
pull from different git trees). Thank you.

And what about ACPI_PROCFS case? It still needs attention I believe.

> aystarik@...sung:~/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@...sung:~/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



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