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f : freebsd-questions@freebsd.org 30 August 2012 • 7:01AM -0400

RE: CMI8788 audio card/chip support
by James Powell

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This also was generated at startup:

none3@pci0:5:4:0: class=0x040100 card=0x82751043 chip=0x878813f6 rev=0x00 hdr=0x00    vendor     = 'C-Media Electronics Inc'    device     = 'CMI8788 [Oxygen HD Audio]'    class      = multimedia    subclass   = audio

> From: james4591@hotm...
> To: freebsd-questions@free...
> Date: Wed, 29 Aug 2012 22:50:22 +0000
> Subject: RE: CMI8788 audio card/chip support
>
>
>
>
>
> kldload snd_driver only detected my USB Headset and loaded theusb audio driver. It did not detect my CMI8788 (ASUS Xonar DX PCIe)and snd_cmi does not support it.
>
> cat /dev/sndstat generated this:
> FreeBSD Audio Driver (newpcm: 64bit 2009061500/amd64)Installed devices:pcm0: <USB audio> (play/rec) default
> Which is my Logitech USB headset, not my PCIe sound card.
> The boot generated a message stating "Unsupported Sound Carddetected. Please contact lists@supp... with soundcard make and model."
>
>
> > Date: Mon, 27 Aug 2012 11:24:30 +0100
> > From: jamie@kode...
> > To: freebsd-questions@free...
> > Subject: Re: CMI8788 audio card/chip support
> >
> > [ Polytropon wrote on Mon 27.Aug'12 at  4:10:57 +0200 ]
> >
> > > On Mon, 27 Aug 2012 02:01:34 +0000, James Powell wrote:
> > > >
> > > > Are any plans being made to start support for these audio cards?
> > > > Currently I'm using one in a system I would like to use with
> > > > FreeBSD but it has no support through the kernel and driver
> > > > support from OSSv4 lands me with a system that either freezes
> > > > or won't boot properly.
> > >
> > > Interesting. I've been using a CMI-based sound card with
> > > FreeBSD 4, 5 and 7 already. See "man snd_cmi":
> > >
> > > HARDWARE
> > >      The snd_cmi driver supports the following sound cards:
> > >
> > >      ·   CMedia CMI8338A
> > >      ·   CMedia CMI8338B
> > >      ·   CMedia CMI8738
> > >      ·   CMedia CMI8738B
> > >
> > > It lists older CMI8788 as supported devices. Doesn't it
> > > provide sufficient compatibility?
> >
> > Have you tried loading the generic driver to see if your audio card is picked up:
> >
> > # kldload snd_driver
> >
> > then try
> >
> > # cat /dev/sndstat
> >
> > which will show more info about it? That's what's recommended in the handbook.
>
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