Re: [gpm] using info from apm for battery life

[Bee Hock Goh <beehock gmail com>]

Hi Richard,

I have gotten the gnome-power-manager to work by doing a small hack to upower.

Thanks for pointing me in the right direction.

regards,
 Hock.

On Sun, Jun 12, 2011 at 12:04 PM, Bee Hock Goh <beehock gmail com> wrote:
> On Sun, Jun 12, 2011 at 8:12 AM, Bee Hock Goh <beehock gmail com> wrote:
>> On Sun, Jun 12, 2011 at 5:37 AM, Richard Hughes <hughsient gmail com> wrote:
>>> On 11 June 2011 18:00, Bee Hock Goh <beehock gmail com> wrote:
>>>> I am running ubuntu natty on my tablet. There battery driver seem to
>>>> be broken. Its exposing battery and ac information on sysfs and
>>>> gnome-power-manager is picking all information except the energy
>>>> parameter resulting in a empty battery bar.
>>>
>>> What version of upower? We've got a lot better reading all the sysfs
>>> entries in the last two releases thanks to Martins self test program.
>>>
>>
>> its version 0.9.9
>>
>>>> However, its reflecting the percent remaining information correct on /proc/apm.
>>>
>>> /proc/apm has been deprecated upstream for years now. Fedora turned
>>> off this legacy interface 3 or 4 releases ago.
>>>
>>>> Is there any way that I can use gnome-power-manger either to use only
>>>> /proc/apm or get the battery life from apm instead?
>>>
>>> No, sorry. If you've got the latest version of upower and it still
>>> doesn't work, you need to open a bug on kernel.org under the acpi
>>> component. Working around brokenness like this in userspace is all
>>> wrong.
>>>
>>> Richard.
>>>
>>
>> I dont think its really a bug but a badly implemented kernel driver.
>>
>> Perhaps, i can modify upower to read apm instead of sysfs for the battery life?
>>
>> regards,
>>  Hock.
>>
>
> Pardon, my ignorance. I believe the  /proc/apm is emulated. The
> capacity that i see in apm -v seem to from sysfs.
>
> Here's what what exported on /sys/class/power_supply/mxc_battery/
>
> capacity
> current_avg
> device
> health
> manufacturer
> power
> present
> status
> subsystem
> technology
> temp
> temp_ambient
> type
> uevent
> voltage_avg
> voltage_max_design
> voltage_min_design
> voltage_now
>