[Trac #1169] dcon source switch sometimes times out

[Zarro Boogs per Child]

#1169: dcon source switch sometimes times out
----------------------+-----------------------------------------------------
 Reporter:  dilinger  |       Owner:  marcelo  
     Type:  defect    |      Status:  new      
 Priority:  normal    |   Milestone:  Untriaged
Component:  kernel    |    Keywords:           
----------------------+-----------------------------------------------------
 On a B2, with a kernel from 20070322, we sometimes get the following:

 {{{
 echo 0 > /sys/devices/platform/dcon/source
 [xxx] dcon: Timeout entering DCON mode
 }}}

 Subsequent attempts to do the same thing succeed, so there's some sort of
 race happening.

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Ticket URL: <http://dev.laptop.org/ticket/1169>
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