Hello,
I am trying to get a usb audio compatible sound card to work on the kwikbyte
kb9202 (www.kwikbyte.com) development board. It is a board based on the
at91rm9200 circuit which has an arm920t core. I am running kernel 2.6.13 and
I have the alsa usb audio device drivers compiled into the kernel.
After some trixing and great help I managed to get the snddevices script to
work and create the necessary files in /dev and /dev/snd
But when I execute the alsamixer:
---------------------------
/mnt/PoC/sound # ./alsamixer
ALSA lib control.c:739:(snd_ctl_open_noupdate) Invalid CTL default
alsamixer: function snd_ctl_open failed for default: No such file or
directory
/mnt/PoC/sound #
---------------------------
And in the control.c file at row 739:
---------------------------
err = snd_config_search_definition(root, "ctl", name, &ctl_conf);
if (err < 0) {
SNDERR("Invalid CTL %s", name);
return err;
}
---------------------------
Part of my problem with the snddevices script was that I had to call it with
the --owner=0:0 because I have a small embedded system with only busybox and
there are no groups or users; instead 0 and 0.
Can not having groups and users be a problem when I try to execute the
alsamixer? Can that be why the "Invalid CTL default" error message comes up?
Help is very much appreciated.
Best,
Jonas Norberg
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