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[Bug 1381625] Re: Adjust brightness to lowest value caused screen whole black

 

my understanding of the oem bug is we think the driver is behaving
normal and this should be fixed in user space, Tim Chen already has a
patch for g-s-d which we can re-work it for u-s-d.

** Also affects: ubuntu-system-settings (Ubuntu)
   Importance: Undecided
       Status: New

** No longer affects: ubuntu-system-settings (Ubuntu)

** Also affects: unity-settings-daemon (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: hwe-next
       Status: New => Invalid

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

Title:
  Adjust brightness to lowest value caused screen whole black

Status in HWE Next Project:
  Invalid
Status in linux package in Ubuntu:
  Confirmed
Status in unity-settings-daemon package in Ubuntu:
  New

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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References