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Date: Thu, 30 Aug 2012 08:31:02 +0200
From: Polytropon <freebsd@edvax.de>
To: James Powell <james4591@hotmail.com>
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Cc: freebsd-questions@freebsd.org
Subject: Re: CMI8788 audio card/chip support
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On Wed, 29 Aug 2012 22:50:22 +0000, James Powell wrote:
> 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@support.freebsd.org with soundcard make and model."

That would be a good thing to do.



On Wed, 29 Aug 2012 23:01:31 +0000, James Powell wrote:
> 
> 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

That information could be useful for the person who maintains
the cmi sound card driver. Maybe it's possible to take those
IDs (card=0x82751043 chip=0x878813f6) and temporarily "patch"
them into the cmi driver, to try if it then will recognize
the device and handle it (maybe with limited functionality)?

I know a similar approach has been possible to "magically
activate" some incompatible USB hardware...


-- 
Polytropon
Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...