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SubjectRe: Full-duplex not working with i810_audio
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

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