Hi all,
New member here.
I just bought the Asus Xonar U3 USB product.
It has 2 connections, where one of them can have
optical/SPDIF output enabled on it.
From its home page:
I/O Ports: 1 x Digital S/PDIF Output :
The device is seen in my Linux distro just fine.
Ubuntu 12.04 - Kernel 3.2.0-32
The card does NOT come default to having the optical/SPDIF turned on apparently.
(Under Windows, I plug it in, and can see the red
light right away)
Alsamixer does NOT offer an option to turn the S/PDIF output at all.
However, oddly enough, it does offer an option to turn the "S/PDIF in" on.
(Which doesn't exist on this product... Are these
values somehow backwards?)
I do not know much in terms of alsa and alsamixer, (as I am learning it just tonight).
Below is the snippet from lsusb -v for the input/output:
(The incorrect input)
AudioControl Interface Descriptor:
bLength 12
bDescriptorType 36
bDescriptorSubtype 2 (INPUT_TERMINAL)
bTerminalID 4
wTerminalType 0x0605 SPDIF interface
bAssocTerminal 0
bNrChannels 2
wChannelConfig 0x0003
Left Front (L)
Right Front (R)
iChannelNames 0
iTerminal 0
There is no OUTPUT_TERMINAL for the SPDIF listed at all.
I am hoping this is just a matter of a typo where it the INPUT_TERMINAL should really have been OUTPUT_TERMINAL.
Is there any thought as to what could be going on here?
Any data I could/should send here for figuring
out how to turn the S/PDIF output on?
Scott
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