 www.centos.org Forum Index CentOS 5 - Hardware Support  Dell Vostro soundcard does not mute laptop speakers on line-out connect
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Dell Vostro soundcard does not mute laptop speakers on line-out connect | #1 |
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Peeking in the Member Window
 
Joined: 2008/8/18
From Kaunas, Lithuania
Posts: 19
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Sound works fine on Dell Vostro 1400 laptop with latest CentOS 5.4, but laptop speakers does not get muted when I connect external speakers.
Here's what /sbin/lspci |grep -i audio shows: Any help appreciated. |
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Posted on: 2009/11/7 10:33
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Kelmas
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Re: Dell Vostro soundcard does not mute laptop speakers on line-out connect | #2 |
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Moderator
Joined: 2007/10/22
From ~/Earth/UK/England/Suffolk
Posts: 9132
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I can't see how what you've described can be related to the software. I suspect a hardware issue -- a problem with the socket / plug.
But then again, should the internal loudspeakers be muted when a connection is made to the line-out socket? Perhaps not. It might be an idea to check the laptop's documentation / specifications. |
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Posted on: 2009/11/7 11:35
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Re: Dell Vostro soundcard does not mute laptop speakers on line-out connect | #3 |
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Peeking in the Member Window
Joined: 2008/8/18
From Kaunas, Lithuania
Posts: 19
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This is probably ALSA issue, I've found many topics on Ubuntu forums. Sadly, none of suggestions worked on my CentOS installation.
On Windows laptop speakers are successfully switched of when external speakers are connected. That's a feature. But on CentOSit doesn't work  |
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Posted on: 2009/11/7 12:14
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Re: Dell Vostro soundcard does not mute laptop speakers on line-out connect | #4 |
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Moderator
Joined: 2007/10/22
From ~/Earth/UK/England/Suffolk
Posts: 9132
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Hmm. Have you tried the updated Alsa driver, available as the kABI tracking kmod-alsa package?
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Posted on: 2009/11/7 13:09
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Re: Dell Vostro soundcard does not mute laptop speakers on line-out connect | #5 |
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Peeking in the Member Window
Joined: 2008/8/18
From Kaunas, Lithuania
Posts: 19
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Quote:
Installing kmod-alsa solved the issue. Thank you very much!  I will cover this on Dell Vostro 1400 wiki. |
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Posted on: 2009/11/7 14:37
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Re: Dell Vostro soundcard does not mute laptop speakers on line-out connect | #6 |
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Moderator
Joined: 2007/10/22
From ~/Earth/UK/England/Suffolk
Posts: 9132
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Quote:
Installing kmod-alsa solved the issue. Excellent news! We should thank Ned for building the kmod-alsa package. |
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Posted on: 2009/11/8 14:51
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