kernel-packages team mailing list archive

[Vanessa Chang <1381625@xxxxxxxxxxxxxxxxxx>]

update kernel from 3.16.0-25 to 3.19.0-031900rc4-lowlatency, the
brightness issue is not fixed.


** Changed in: linux (Ubuntu)
       Status: Incomplete => Confirmed

** Tags added: kernel-bug-exists-upstream

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https://bugs.launchpad.net/bugs/1381625

Title:
  Adjust brightness to lowest value caused screen whole black

Status in OEM Priority Project:
  New
Status in linux package in Ubuntu:
  Confirmed

Bug description:
  [Impact]

  When adjusting screen brightness to lowest value, it turns screen
  backlight off.

  [Test Case]

  1. Install Image
  2. Press System's brightness hotkey to adjust the brightness level to the lowest or
  3. Go to System "Settings" -> "Brightness & Lock" to adjust brightness level to the lowest
  4. Check if the screen display still has backlight

  Expected results: There is still screen backlight

  Actual results: Sceen backlight is turned off

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