#1744 HIGH Trial-2: Grayscale mode should be set when backlight intensity is zero.

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#1744: Grayscale mode should be set when backlight intensity is zero.
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  Reporter:  jg      |       Owner:  dilinger    
      Type:  defect  |      Status:  new         
  Priority:  high    |   Milestone:  Trial-2     
 Component:  kernel  |     Version:  Build 406.14
Resolution:          |    Keywords:              
  Verified:  0       |  
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Comment (by cjb):

 Replying to [ticket:1744 jg]:
 > The DCON's grayscale mode should get set when the backlight intensity is
 set to zero.
 >
 > With no backlight, there is no reason to conceivably degrade the screen
 resolution with dcon AA.

 Can we do this in sugar instead?  This logic feels out of place in the
 kernel; instead, we could have the lowest brightness key tell sugar/the
 hardware manager to ask for 0 brightness with b&w, and any other
 brightness key to turn color back on.

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Ticket URL: <http://dev.laptop.org/ticket/1744#comment:1>
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