Dne 27. 01. 19 v 19:35 Tomas Nordin napsal(a):
Here is the output of that:
$ amixer -c 1 contents
numid=2,iface=PCM,name='Capture Channel Map'
; type=INTEGER,access=r----R--,values=2,min=0,max=36,step=0
: values=0,0
| container
| chmap-fixed=FL,FR
numid=1,iface=PCM,name='Playback Channel Map'
; type=INTEGER,access=r----R--,values=2,min=0,max=36,step=0
: values=0,0
| container
| chmap-fixed=FL,FR
And I didn't mention that in my original post but, alsamixer has been
informing me that "This soundcard does not have any controls." when I
select the AudioBox via F6.
That usb audio device seems to offer no feature controls:
https://forums.freebsd.org/threads/presonus-audiobox-usb-not-recognized.61395/#post-353537
Alsamixer lists only controls of type MIXER, while amixer lists all -
incl. those of type PCM added by alsa-lib for your soundcard.
https://android.googlesource.com/kernel/common/+/android-trusty-3.10/Documentation/sound/alsa/Channel-Mapping-API.txt
Regards,
Pavel.
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