CMI8788 audio card/chip support

[James Powell]

This also was generated at startup:

none3 at 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 at hotmail.com
> To: freebsd-questions at freebsd.org
> 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 at support.freebsd.org with soundcard make and model."
> 
> 
> > Date: Mon, 27 Aug 2012 11:24:30 +0100
> > From: jamie at kode5.net
> > To: freebsd-questions at freebsd.org
> > 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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