[Dell Inspiron N5425] Unable to adjust brightness after suspend
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
fglrx-installer-updates (Ubuntu) |
Confirmed
|
Medium
|
Alberto Milone |
Bug Description
CID: 201206-11418 Dell Inspiron N5425
With the proprietary driver:
ii fglrx-updates 2:13.125-
The brightness cannot be adjusted after suspend.
Steps:
1. Install 12.04.4 + fglrx-updates, boot to desktop
2. Suspend and wake the system up.
3. Try to adjust the brightness with the hotkey and the applet
Expected result:
* The screen backlight could be adjusted.
Actual result:
* Brightness cannot be adjusted by any means, the brightness level indicator would change with the hotkey press
Debugging Information:
ubuntu@
00:01.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Trinity [Radeon HD 7640G] [1002:9903]
01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Thames [Radeon HD 7550M/7570M/7650M] [1002:6841]
ubuntu@
acpi_video0@ acpi_video1@
Tried to write brightness level value into the "Brightness" file in the above directories, not working.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: fglrx-updates 2:13.125-
ProcVersionSign
Uname: Linux 3.11.0-15-generic x86_64
NonfreeKernelMo
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: amd64
Date: Fri Mar 21 06:09:27 2014
InstallationMedia: Ubuntu 12.04.4 LTS "Precise Pangolin" - Release amd64 (20140204)
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: fglrx-installer
UpgradeStatus: No upgrade log present (probably fresh install)
Changed in fglrx-installer-updates (Ubuntu): | |
importance: | Undecided → Medium |
Changed in fglrx-installer-updates (Ubuntu): | |
assignee: | Anthony Wong (anthonywong) → Alberto Milone (albertomilone) |
This also affects the proprietary driver: tal-13 2:13.300- 0ubuntu0. 0.1
fglrx-experimen
For another driver, fglrx 2:13.101- 0ubuntu0. 0.1, brightness control does not work properly on this system.