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[Launchpad Bug Tracker <1381625@xxxxxxxxxxxxxxxxxx>]

** Branch linked: lp:~fourdollars/ubuntu/trusty/gnome-desktop3/fix-
lowest-brightness

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

Title:
  Adjust brightness to lowest value caused screen whole black

Status in HWE Next:
  Confirmed
Status in OEM Priority Project:
  In Progress
Status in OEM Priority Project trusty series:
  In Progress
Status in Unity Settings Daemon:
  Fix Released
Status in unity-settings-daemon package in Ubuntu:
  Fix Released
Status in unity-settings-daemon source package in Trusty:
  In Progress

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

  [Regression Potential]
  None

  [Other Info]
  Ubuntu 14.04 has HWE stack lts-vivid 3.19 and it also has this issue.

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