The upstream bug
https://bugs.freedesktop.org/show_bug.cgi?id=97486
And the issue could be fixed by the following 2 commits in drm-intel-
next-queued.
commit 32b421e79e6b546da1d469f1229403ac9142d695
Author: Jani Nikula <jani.nik...@intel.com>
Date: Mon Sep 19 13:35:25 2016 +0300
drm/i915/backlight: setup and cache pwm alternate increment value
and
commit e29aff05f239f8dd24e9ee7816fd96726e20105a
Author: Shawn Lee <shawn.c....@intel.com>
Date: Mon Sep 19 13:35:26 2016 +0300
drm/i915/backlight: setup backlight pwm alternate increment on
backlight enable
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1625932
Title:
Backlight does not change when adjust it higher than 50% after S3
Status in linux package in Ubuntu:
In Progress
Bug description:
Backlight does not change when adjust it higher than 50% after S3
Steps:
1. Install ubuntu 16.04 and boot into OS
2. suspend system
3. resume system from S3
4. Try to adjust brightness level
Expected results: Backlight should be changed when adjust it
Actual results: Backlight does not change when adjust it higher than
50% after S3
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1625932/+subscriptions
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