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Bug 16406 - cs46xx on Voyetra turns off amp while CD plays
cs46xx on Voyetra turns off amp while CD plays
Product: Red Hat Linux
Classification: Retired
Component: kernel (Show other bugs)
i386 Linux
medium Severity medium
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Assigned To: Alan Cox
Depends On:
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Reported: 2000-08-16 19:09 EDT by Bill Nottingham
Modified: 2014-03-16 22:15 EDT (History)
2 users (show)

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Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 2000-09-24 08:27:09 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Bill Nottingham 2000-08-16 19:09:09 EDT
In the cs46xx driver, it turns off power to the amp even though
a CD is playing. This causes the CD audio to drop out after
a few seconds.

Ideally, you should be able to have it somehow just leave
the amp on, either by default, or with a module parameter.
(or make the power-saving turning off of the amp a module
Comment 1 Alan Cox 2000-08-17 12:18:29 EDT
Ok I think the right answer is to turn the amp on whenever the CD input is
selected. I will investigate if this is doable.
Comment 2 Dan Taylor 2000-08-21 17:40:04 EDT
Still failing in RC2.
Comment 3 Alan Cox 2000-08-22 13:06:18 EDT
I have a possible fix in my build tree. This will go to Bill once I've tested
Comment 4 Alan Cox 2000-09-03 07:51:49 EDT
There is a test patch for the power on/off issue in 2.2.18pre2 - its not perfect
it checks MUTE
when it needs to check MUTE | vol ==0 for off. That is next on the list to try

Comment 5 Alan Cox 2000-09-14 19:53:45 EDT
Bill implemented the volume 0 or muted solution and it seems to work sanely
Comment 6 Michael K. Johnson 2001-12-06 12:29:21 EST
This looks like an accidentally not closed bug report, closing now.

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