Refresh ACPI APM and PMU devices on resume

[Holger Macht]

On Fri 31. Mar - 00:24:16, Holger Macht wrote:
> On Do 30. Mär - 20:23:11, Richard Hughes wrote:
> [...]
> > 2006-03-30  Richard Hughes <richard at hughsie.com>
> >  * tools/hal-system-power-hibernate, tools/hal-system-power-suspend:
> > Refresh device types button, battery and ac_adapter on resume, as a
> > suspend or hibernate can do funny things to ACPI. This fixes a common
> > problem where HAL forgets the value of the lid button when it is
> > resuming and may fix other related problems also.
> 
> Well, you can't be sure that this is done after resume! Hal suspend
> scripts support different ways of actually doing the suspend. You do not
> know if the system already finished resume just a few lines later in the
> script. What about other calls to do the suspend other then the pm-scripts
> on fedora core which do not block? On a non-blocking suspend execution,
> it's likely that the device rescan is triggered _before_ the real call to
> /sys/power/state or whatever and hence could cause unexpected
> behaviour. Imagine some related modules are already unloaded when the
> rescan is done...
> 
> The best solution IMO would be to let the responsible application/script
> which does the suspend, trigger the rescan if it thinks that this is
> needed. BTW, I never experienced such problems after resume you mentioned.

Any comment on that?

Regards,
	Holger