Backlight does not change when adjust it higher than 50% after S3
Bug #1625932 reported by
AceLan Kao
This bug affects 2 people
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
HWE Next |
Fix Released
|
Undecided
|
Unassigned | ||
Vivid |
Won't Fix
|
High
|
AceLan Kao | ||
Xenial |
Fix Released
|
Undecided
|
Unassigned | ||
linux (Ubuntu) |
Fix Released
|
High
|
AceLan Kao | ||
Xenial |
Fix Released
|
High
|
Unassigned |
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
tags: | added: originate-from-1620993 somerville |
Changed in linux (Ubuntu Xenial): | |
status: | New → Fix Committed |
Changed in linux (Ubuntu): | |
importance: | Undecided → High |
Changed in linux (Ubuntu Xenial): | |
importance: | Undecided → High |
Changed in hwe-next: | |
status: | New → Fix Committed |
Changed in linux (Ubuntu): | |
status: | In Progress → Fix Committed |
tags: |
added: verification-done-xenial removed: verification-needed-xenial |
Changed in linux (Ubuntu): | |
status: | Fix Committed → Fix Released |
Changed in hwe-next: | |
status: | Fix Committed → Fix Released |
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The upstream bug /bugs.freedeskt op.org/ show_bug. cgi?id= 97486
https:/
And the issue could be fixed by the following 2 commits in drm-intel- next-queued.
commit 32b421e79e6b546 da1d469f1229403 ac9142d695
Author: Jani Nikula <email address hidden>
Date: Mon Sep 19 13:35:25 2016 +0300
drm/ i915/backlight: setup and cache pwm alternate increment value
and
commit e29aff05f239f8d d24e9ee7816fd96 726e20105a
Author: Shawn Lee <email address hidden>
Date: Mon Sep 19 13:35:26 2016 +0300
drm/ i915/backlight: setup backlight pwm alternate increment on backlight enable