JohnSwenson;657978 Wrote:
> Sure it can be setup so that the USB and digital out run at the same
> time, just use the same scheme as in the normal file. The only problem
> is that you won't get anything out AT ALL, if the USB DAC is not
> plugged in.
>
> udev is the mechanism by which devices get named. By default your USB
> DAC can wind up with different names and card numbers making it
> difficult to write asound files, because the names are going to be
> different for everybody. There was a udev script posted here a while
> back which explicetly looks for any USB audio devices and gives them a
> specific name so it's always the same and people can distribute asound
> files and have them work on anybodies setup.
>
> Unfortunately it didn't go far enough, the presence of a USB device can
> cause the built in DAC or digital out to change THEIR name making any
> scheme to have output on two devices at the same time be rather
> difficult. This udev script needs to be extended so it names ALL audio
> devices, then its much easier since the names will always be the
> same.
>
> John S.
Hi John,
I've been trying without any luck to get the USB and SPDIF running at
the same time.
To take this one step at a time, I tried the following asound.conf,
which works fine for USB (ignoring the clicks):
pcm.digital {
type hw;
card TXRX;
}
ctl.digital {
type hw;
card TXRX;
}
pcm.usb {
type hw;
card Series;
}
ctl.usb {
type hw;
card Series;
}
pcm.!default usb
However when I change the above to "pcm.!default digital" and reboot I
get nothing from the spdif outputs unless I unplug the USB cable prior
to rebooting. Not sure how I'm going to get them both working
simultaneously with this being the case :(
I've also tried the original asound.conf, as per (i think) your
suggesiton, replacing the ak4420 alias with the above usb alias but
when I do this, the squeezebox fails to boot up.
Am I doing something silly ? Any suggestions much appreciated.
Tim
--
indypants
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