From: Theodore Tso <tytso@mit.edu>
To: Dave Hansen <haveblue@us.ibm.com>
Cc: doug@lathi.net, linux-kernel@vger.kernel.org
Subject: Re: cs46xx on ThinkPad A22m and poor quality output
Date: Thu, 28 Feb 2002 20:29:51 -0500 [thread overview]
Message-ID: <20020228202951.B14374@thunk.org> (raw)
In-Reply-To: <87vgcjvs1p.fsf@localhost.localdomain> <87pu2r1x7s.fsf@localhost.localdomain> <3C7D22B8.9070304@us.ibm.com>
In-Reply-To: <3C7D22B8.9070304@us.ibm.com>; from haveblue@us.ibm.com on Wed, Feb 27, 2002 at 10:17:28AM -0800
On Wed, Feb 27, 2002 at 10:17:28AM -0800, Dave Hansen wrote:
> You aren't crazy. Lots of us with T2[012]'s have this problem. It does
> indeed appear to be a problem with the OSS version of the driver.
> Someone had a theory that the APM code stays in an interrupt too long
> and causes the card to get into an unanticipated state, causing the poor
> sound quality.
The way I deal with this is to ahve the following in my apm events script:
case "$1" in
resume)
esdctl off
rmmod cs4281 ; insmod cs4281
rmmod cs46xx ; insmod cs46xx
/etc/init.d/aumix start
esdctl on
esac
The reason for the cs4281 and cs46xx is so that the script will work
both on my X20 as well as my T21.
It's a gross kludge, but it works....
- Ted
prev parent reply other threads:[~2002-03-01 1:37 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-26 21:42 cs46xx on ThinkPad A22m and poor quality output Doug Alcorn
2002-02-27 2:21 ` Doug Alcorn
2002-02-27 18:17 ` Dave Hansen
2002-03-01 1:29 ` Theodore Tso [this message]
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