Bug 789132

Summary: Screen brightness Function keys FN6/FN7 do not work Toshiba L730 laptop
Product: [openSUSE] openSUSE 12.2 Reporter: Forgotten User j8kcTVFsEa <forgotten_j8kcTVFsEa>
Component: YaST2Assignee: Holger Macht <hmacht>
Status: RESOLVED NORESPONSE QA Contact: Jiri Srain <jsrain>
Severity: Normal    
Priority: P5 - None CC: forgotten_j8kcTVFsEa
Version: Final   
Target Milestone: ---   
Hardware: x86-64   
OS: openSUSE 12.2   
Whiteboard:
Found By: --- Services Priority:
Business Priority: Blocker: ---
Marketing QA Status: --- IT Deployment: ---
Attachments: var/log/Yast2/y2log [OpenSUSE 12.2 KDE]

Description Forgotten User j8kcTVFsEa 2012-11-10 00:34:17 UTC 
User-Agent:       Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.5 Safari/537.17

Toshiba L730 laptop.
Insyde BIOS firmware already updated to latest release.

Reproducible: Always

Steps to Reproduce:
1.Install OS.
2.Press Function key 6 or Function key 7 to decrease or increase screen brightness
Actual Results:  
Using Screen brightness function keys produces no change in screen brightness.

Expected Results:  
Screen brightness function keys should change the screen brightness.

Adding the following to grub parameters resolves the issue :

acpi_backlight=vendor acpi_osi=Linux

*End users should not be required to know this & in fact it is very difficult to come by this information.
Comment 1 Forgotten User j8kcTVFsEa 2012-11-10 00:38:59 UTC 
KDE Battery widget screen brightness slider does work & is persistent
Comment 2 Jiaying Ren 2012-11-12 02:55:41 UTC 
CHristopher,thank you for your report,could you please help to provide y2log according to the following URL?

http://en.opensuse.org/openSUSE:Bugreport_YAST
Thanks
Comment 3 Forgotten User j8kcTVFsEa 2012-11-13 01:36:23 UTC 
Created attachment 512859 [details]
var/log/Yast2/y2log [OpenSUSE 12.2 KDE]

Hope this helps :)
Comment 4 Holger Macht 2012-12-05 10:46:52 UTC 
(In reply to comment #1)
> KDE Battery widget screen brightness slider does work & is persistent

But only when using the grub parameters, right?

Without those parameters, is there anything in /var/log/messages when pressing the brightness keys?
Comment 5 Holger Macht 2012-12-21 09:39:45 UTC 
Closing. Please reopen if you can provide the requested information.