Re: 3.9-rc3+: reports battery as 0 mWh capacity on thinkpad x60

From: BjÃrn Mork
Date: Sat Mar 23 2013 - 09:01:46 EST

"Rafael J. Wysocki" <rjw@xxxxxxx> writes:
> On Saturday, March 23, 2013 12:40:12 PM Pavel Machek wrote:
>> Hi!
>> pavel@amd:~$ cat /proc/acpi/battery/BAT0/info
>> present: yes
>> design capacity: 0 mWh
>> last full capacity: 0 mWh
>> battery technology: rechargeable
>> design voltage: 14400 mV
>> This worked before... at least it works in 2.6 kernel used by debian.
> This works for me in 3.9-rc3. May I see your .config?

Well, if this works, then maybe the Kconfig help text should be updated:

bool "Deprecated power /proc/acpi directories"
depends on PROC_FS
For backwards compatibility, this option allows
deprecated power /proc/acpi/ directories to exist, even when
they have been replaced by functions in /sys.
The deprecated directories (and their replacements) include:
/proc/acpi/battery/* (/sys/class/power_supply/*)
/proc/acpi/ac_adapter/* (sys/class/power_supply/*)
This option has no effect on /proc/acpi/ directories
and functions, which do not yet exist in /sys
This option, together with the proc directories, will be
deleted in 2.6.39.

Time to call the bluff now :)

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