Public bug reported:

Possible to manually set display brightness to 0 on Ubuntu Touch

It is possible to move the brightness slider to the very left position,
which will set the display brightness of affected device to zero, or, to
total darkness.

This is a bug, since this leads to user's inability to set the brightness back 
or, generally, to operate the device.
There is a slight chance, though, to return the brightness back to non-zero 
value (blindly, trying by user's memory).

Also, this gets even more problematic, if we think about a scenario, where such 
Ubuntu device is locked by a PIN.
User has to try to unlock the device on the dark screen, open the top panel 
with settings, scroll to the far right (to access the brightness settings), and 
then trying to hit the correct slider - all on a dark screen.

This happened on Aquaris E5.

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

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Touch seeded packages, which is subscribed to indicator-power in Ubuntu.
https://bugs.launchpad.net/bugs/1483427

Title:
  Possible to manually set display brightness to 0 on Ubuntu Touch

Status in indicator-power package in Ubuntu:
  New

Bug description:
  Possible to manually set display brightness to 0 on Ubuntu Touch

  It is possible to move the brightness slider to the very left
  position, which will set the display brightness of affected device to
  zero, or, to total darkness.

  This is a bug, since this leads to user's inability to set the brightness 
back or, generally, to operate the device.
  There is a slight chance, though, to return the brightness back to non-zero 
value (blindly, trying by user's memory).

  Also, this gets even more problematic, if we think about a scenario, where 
such Ubuntu device is locked by a PIN.
  User has to try to unlock the device on the dark screen, open the top panel 
with settings, scroll to the far right (to access the brightness settings), and 
then trying to hit the correct slider - all on a dark screen.

  This happened on Aquaris E5.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/indicator-power/+bug/1483427/+subscriptions

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