Bug 495315 - Sony Vaio VGN-FW139E Laptop Screen Brightness cannot be decreased
Sony Vaio VGN-FW139E Laptop Screen Brightness cannot be decreased
Product: Fedora
Classification: Fedora
Component: kernel (Show other bugs)
All Linux
low Severity high
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Assigned To: Kernel Maintainer List
Fedora Extras Quality Assurance
Depends On:
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Reported: 2009-04-11 15:00 EDT by Partha Bagchi
Modified: 2009-12-18 04:14 EST (History)
3 users (show)

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
: 549074 (view as bug list)
Last Closed: 2009-12-18 04:14:26 EST
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RHEL 7.3 requirements from Atomic Host:
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Description Partha Bagchi 2009-04-11 15:00:13 EDT
Description of problem:

Version-Release number of selected component (if applicable): 1.0.6

How reproducible: Use Sony Vaio VGN-FW139E laptop brightness controls

Steps to Reproduce:
1. Use Fn+F5 to decrease brightness
2. Use Fn+F6 to increase brightness
Actual results: Nothing

Expected results: Expect the screen brightness to dim

Additional info: Read here that in Ubuntu, DSDT can be patched - not sure how to do that with Fedora 10:
Comment 1 Steven M. Parrish 2009-04-11 15:14:41 EDT
ACPI client is a small command-line program that attempts to replicate the functionality of the 'old' apm command on ACPI systems. It includes battery and thermal information.

ACPI is not the correct component for this issue.  Reassigning.
Comment 2 Zdenek Prikryl 2009-04-16 02:13:38 EDT
It seems to me that this is kernel stuff. Reassigning.
Comment 3 Bug Zapper 2009-11-18 04:59:24 EST
This message is a reminder that Fedora 10 is nearing its end of life.
Approximately 30 (thirty) days from now Fedora will stop maintaining
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Comment 4 Bug Zapper 2009-12-18 04:14:26 EST
Fedora 10 changed to end-of-life (EOL) status on 2009-12-17. Fedora 10 is 
no longer maintained, which means that it will not receive any further 
security or bug fix updates. As a result we are closing this bug.

If you can reproduce this bug against a currently maintained version of 
Fedora please feel free to reopen this bug against that version.

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