Andrey Borzenkov wrote:
> On Wednesday 31 October 2007, Alexey Starikovskiy wrote:
>> Andrey Borzenkov wrote:
>>> I suspect new ACPI AC adapter code but have to add some printk's to be
>>> sure.
>>>
>>> To reproduce - plug in AC cord, suspend, unplug, resume - kpowersave and
>>> sysfs still show AC adapter online. Or other way round.
>>>
>>> -andrey
>> Please check if this patch helps.
>>
> 
> It does not even compile :)
> 
> On serious note (after adding forward declaration) - patch half works. It does 
> make "online" return true value (which confirms that underlying ACPI works 
> correctly) but HAL still does not notice it.
> 
> The problem is, with power_supply interface HAL does not use polling, it 
> relies on CHANGE event. This event is apparently never generated if AC 
> adapter state changes on resume. So the obvious fix is to compare AC state 
> before and after suspend in ->resume function and generate synthetic CHANGE 
> event if something has changed.
> 
> This will also make superfluous polling redundant.
Ok, here. This one compiles :)

Regards,
Alex.