Bug 15905 - solo1 driver enables mic on boot -- loud feedback results
solo1 driver enables mic on boot -- loud feedback results
Status: CLOSED CURRENTRELEASE
Product: Red Hat Linux
Classification: Retired
Component: kernel (Show other bugs)
7.0
i386 Linux
medium Severity low
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Assigned To: Michael K. Johnson
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Depends On:
Blocks:
  Show dependency treegraph
 
Reported: 2000-08-10 01:31 EDT by Edward T. Schlunder
Modified: 2008-05-01 11:37 EDT (History)
1 user (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 2002-12-14 19:58:05 EST
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RHEL 7.3 requirements from Atomic Host:
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Attachments (Terms of Use)
Try this see if it does the job (369 bytes, patch)
2000-08-14 12:16 EDT, Alan Cox
no flags Details | Diff

  None (edit)
Description Edward T. Schlunder 2000-08-10 01:31:45 EDT
The ESS Solo1 sound card kernel module enables the microphone input on
boot. The IBM Thinkpad i1482 has integrated speakers and microphone such
that loud feedback noise erupts upon booting Red Hat pinstripe.

After booting the first time, I can login, run aumix to turn off the
microphone volume. Subsequent boot then have a short loud squirt of
feedback noise on bootup during the short time between the solo1 module
being loaded and the initscripts restoring my mixer settings, so even
fixing it manually that way isn't perfect.
Comment 1 Preston Brown 2000-08-14 11:24:02 EDT
maybe we can get this fixed.
Comment 2 Alan Cox 2000-08-14 12:16:04 EDT
Created attachment 2456 [details]
Try this see if it does the job
Comment 3 Edward T. Schlunder 2000-08-23 14:46:10 EDT
Thanks, I will try that patch out next time I get a free weekend to compile the
kernel with.
Comment 4 Daryll 2001-02-23 11:44:02 EST
This problem is somewhat worse that described. Even if you turn off the
microphone at boot, it will turn itself back on again at a later time. My guess
is that the sound module gets unloaded and reloaded, and defaults to the
microphone being on.

Comment 5 Alan Cox 2002-12-14 19:58:05 EST
Closing - the fix proved to work and became mainstream. Anyone seeing hooting
esssolo should check their mixer settings as aumix remembers them from shutdown
to next boot

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