Bug 812165 - 3.x kernels break sound of laptop docking
3.x kernels break sound of laptop docking
Status: CLOSED DUPLICATE of bug 806217
Product: Fedora
Classification: Fedora
Component: kernel (Show other bugs)
x86_64 Linux
unspecified Severity high
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Assigned To: Kernel Maintainer List
Fedora Extras Quality Assurance
: HardwareEnablement, Regression
Depends On:
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Reported: 2012-04-12 19:46 EDT by Christoph Wickert
Modified: 2012-04-12 19:51 EDT (History)
5 users (show)

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Fixed In Version:
Doc Type: Bug Fix
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Clone Of:
Last Closed: 2012-04-12 19:51:21 EDT
Type: Bug
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RHEL 7.3 requirements from Atomic Host:
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Description Christoph Wickert 2012-04-12 19:46:18 EDT
Description of problem:
I have a Thinkpad X201 with docking and a set of speakers attached to it. All of Fedora's 3.x kernels break sound output of the docking, the speakers remain silent. When I however plug the speakers directly into the laptop output, they work fine.

The docking does not have a sound card, just line-out and mic-in. If I plug the speakers into the docking or the laptop itself, the internal speaker is turned of, but I guess this is done in hardware.

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

For testing I installed an kernel- and sound on the docking works fine.

How reproducible:

Steps to Reproduce:
1. upgrade from F15 to F17
Actual results:
no more sound.

Expected results:
Let there be sound!

Additional info:
My smolt profile: http://www.smolts.org/client/show/pub_260fd7f2-040f-4d1f-8d60-1c8d0c1ff861
Comment 1 Christoph Wickert 2012-04-12 19:51:21 EDT

*** This bug has been marked as a duplicate of bug 806217 ***

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