Schiit Bifrost, usb, C-Media 6631

[Andrew Dunn <andrew.g.dunn@xxxxxxxxx>]

I just got a Schiit Bifrost in the mail (http://schiit.com/schiit-faq/about-bifrost). I want to use it via USB.

The Schiit Bifrost uses a C-Media 6631, I can see it when I do an lsusb:

agd@minerva:~$ lsusb 

Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub

Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

Bus 002 Device 002: ID 051d:0002 American Power Conversion Uninterruptible Power Supply

Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

Bus 001 Device 004: ID 0d8c:0304 C-Media Electronics, Inc. 

Bus 001 Device 003: ID 11b0:6566 ATECH FLASH TECHNOLOGY 

Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Here is a gist of an lsusb -v: https://gist.github.com/1335351

I can also see the device in alsamixer when I hit f6 and try to select it, its shows up as 1, right after my intel onboard.

When I select it in alsamixer I get an error: cannot load mixer controls: Invalid argument

I'm using this with ubuntu 10.04:

agd@minerva:~$ cat /proc/asound/version 

Advanced Linux Sound Architecture Driver Version 1.0.21.

agd@minerva:~$ uname -r

2.6.32-34-generic-pae

Any help would be appreciated!

-- 
Andrew Dunn


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