From: Doug Ledford <dledford@redhat.com>
To: Jean-Marc Valin <valj01@gel.usherb.ca>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Full-duplex not working with i810_audio
Date: Fri, 18 Jan 2002 13:26:11 -0500 [thread overview]
Message-ID: <3C4868C3.5050107@redhat.com> (raw)
In-Reply-To: <1011369443.1395.15.camel@idefix.homelinux.org>
Jean-Marc Valin wrote:
> I can't get full-duplex audio to work on my laptop with 2.4.17 (using
> the i810_audio sound driver). I know my card (ADI 188x WDM) supports it
> because it works fine with the commercial OSS.
>
> In the sample code:
> fd = open("/dev/dsp", O_RDWR);
> ioctl(fd, SNDCTL_DSP_SETDUPLEX, 0)
> I get:
> SNDCTL_DSP_SETDUPLEX: Invalid argument
That ioctl is not supported in the base i810 sound driver.
> Also, when using the "rec" (based on sox) utility, my kernel crashes
> completely (no panic, no oops, nothing else happens).
Download the updated i810_audio.c file from my web site and let me know if
basic recording still crashes for you
(http://people.redhat.com/dledford/i810_audio.c.gz)
> My setup is:
> Compaq Presario 1720CA
> PIII mobile 1 GHz / 256 MB RAM
> ATI Mobility Radeon M6 / 8 MB
> ADI 188x WDM sound chip (on-board)
> RedHat 7.2/2.4.17
>
> Can anyone help me?
>
> Jean-Marc
>
> P.S. Please CC to me, as I am not subscribed to the list
>
> -
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>
--
Doug Ledford <dledford@redhat.com> http://people.redhat.com/dledford
Please check my web site for aic7xxx updates/answers before
e-mailing me about problems
prev parent reply other threads:[~2002-01-18 18:26 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-18 15:57 Full-duplex not working with i810_audio Jean-Marc Valin
2002-01-18 18:26 ` Doug Ledford [this message]
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