[Trac #791] Screen rotate after press back-light control button.

[Zarro Boogs per Child]

#791: Screen rotate after press back-light control button.
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 Reporter:  chiaying.lin  |       Owner:  dcbw   
     Type:  defect        |      Status:  new    
 Priority:  normal        |   Milestone:  BTest-3
Component:  sugar         |    Keywords:         
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 Image:232~239    [[BR]]
 BIOS: Q2B21      [[BR]]
 http://wiki.laptop.org/go/BTest-1_Release_Notes    [[BR]]
 I found the button is back-light control button from this web page.[[BR]]
 At previous version of image, the button is no function.[[BR]]
 But From image 232 to 239.        [[BR]]
 In sugar, screen will rotate after press back-light control button.[[BR]]
 0 degree->left 90 degree->180 degree->270 degree->0 degree[[BR]]
 I didn’t see similar information from changelog.[[BR]]

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Ticket URL: <http://dev.laptop.org/ticket/791>
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