Re: unhandled HKEY event 0x4010 and 0x4011

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On Thu, 16 Sep 2010, Matthew Garrett wrote:
> On Wed, Sep 08, 2010 at 09:21:03AM +0200, Robert de Rooy wrote:
> >   FYI, these newer series 3 "docks" no longer register themselves as a 
> > dock through ACPI. Instead they function more like port replicators.
> > As such I think the HKEY event is just a way to detect a dock/undock 
> > event which can be used to trigger things like re-configuring the displays.
> 
> Hm. We may want to create a proper dock class in the kernel to handle 
> this. HPs do something similar.

If all the state we need to convey is "docked" and "undocked", EV_SW input
events are enough.

Otherwise, yes, a dock class would be welcome, with associated uevents (and
the uevents should convey the docked/undocked information in-band).  Maybe
also generating the EV_SW.

A dock class would let us have the devices inside the dock (or bay)
represented through symlinks, which is quite convenient.

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh

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