Re: 3.9-rc3+: reports battery as 0 mWh capacity on thinkpad x60
From: Pavel Machek
Date: Sat Mar 23 2013 - 16:22:40 EST
On Sat 2013-03-23 14:00:23, Bjørn Mork wrote:
> "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:
> config ACPI_PROCFS_POWER
> 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 they have been replaced by functions in /sys.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 :)
This should probably be "default y", BTW.
But problem is not in /proc, /sys has zeros, too.
pavel@amd:~$ cat /sys/class/power_supply/BAT0/energy_full
pavel@amd:~$ cat /sys/class/power_supply/BAT0/energy_full_design
pavel@amd:~$ cat /sys/class/power_supply/BAT0/model_name
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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