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[Bug 1289477] [NEW] Display brightness can lag far behind moving the slider

 

Public bug reported:

Ubuntu Trusty r188

1. Access any of the brightness sliders: in System Settings > "Brightness", or System Settings > "Battery", or the Battery menu (bug 1289470).
2. Rapidly slide the slider from minimum to maximum and back again, about ten times, then let go.
3. Wait.

What happens: The phone repeatedly dims and brightens over several
seconds after you stop touching the slider.

What should happen: The current brightness level is always either on, or
less than ~500 ms from reaching, the brightness shown by the slider
*right now*. Any values that the slider was on previously should be
ignored.

** Affects: indicator-power (Ubuntu)
     Importance: Undecided
         Status: New

** Package changed: ubuntu-system-settings (Ubuntu) => indicator-power
(Ubuntu)

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https://bugs.launchpad.net/bugs/1289477

Title:
  Display brightness can lag far behind moving the slider

Status in “indicator-power” package in Ubuntu:
  New

Bug description:
  Ubuntu Trusty r188

  1. Access any of the brightness sliders: in System Settings > "Brightness", or System Settings > "Battery", or the Battery menu (bug 1289470).
  2. Rapidly slide the slider from minimum to maximum and back again, about ten times, then let go.
  3. Wait.

  What happens: The phone repeatedly dims and brightens over several
  seconds after you stop touching the slider.

  What should happen: The current brightness level is always either on,
  or less than ~500 ms from reaching, the brightness shown by the slider
  *right now*. Any values that the slider was on previously should be
  ignored.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/indicator-power/+bug/1289477/+subscriptions


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References