please test uaudio capabilities patch

Mathew Kanner mat at
Mon Apr 18 10:03:22 PDT 2005

On Apr 18, Julian Elischer wrote:
> Mathew Kanner wrote:
> >Hi All,
> >   The following patch changes the driver to probe the
> >   capabilities.  With this patch I can run mplayer with a non-native
> >   speed or format and the internal soft-mixer will get the right
> >   chain.  Without the patch, I get stuck and I have to disconnect.
> >
> >   I'm going to commit this soon.  This is is against HEAD post my
> >   commit to de-dma the driver.
> >
> >   --Mat
> >
> >
> the code removed below was added by me yesterday to allow my usb microphone 
> to work.  it no longer works with this patch.
> uaudio0: Logitech product 0x08b1, rev 1.10/0.00, addr 2
> uaudio0: audio rev 1.00
> pcm1: <USB Audio> on uaudio0
> jules# cat /dev/sndstat
> FreeBSD Audio Driver (newpcm)
> Installed devices:
> pcm0: <ESS Technology Maestro-2E> port 0x1400-0x14ff irq 5 at device 8.0 on 
> pci0 (4p/1r/0v channels duplex default)
> pcm1: <USB Audio> kld snd_uaudio (mixer only)
> jules#
> yesterday (without your change)
> it created and audio1.0 device which I could record from
> (though I think the format was wrong as it sounded bad)
> today it fails to make any device..
> note.. the device has only input endpoints and configs.. it's a microphone
> it has an audio 'mixer' interface as well but that seems to have been found.

	Hi Julian,
	I removed the code on purpose as we should count the number of
inputs and outputs and not try and create a play channel if none
exist.  Does it fail with any message?  I'll take a closer look


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