Re: a question about lid input device

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henrique de moraes holschuh wrote:
 > On Mon, 05 Jul 2010, Zhang Rui wrote:
 > > > I think if you can listen to uevents you can just as easily open /dev/ 
 > > > input/eventX and listen to proper input events.
 > > > 
 > > the question is users may want to get the lid switch STATUS,
 > > asynchronously.
 > 
 > More often than not, you need to know the current state when dealing
 > with EV_SW, to be able to do anything sensbile with it in GUIs, etc.

indeed, this is true for almost any event-on-change interface -- tablet mode,
AC insertion, etc.  the change event alone is never enough.

paul
=---------------------
 paul fox, pgf@xxxxxxxxxx
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