On Tue 11 Sep 2018 at 08:23:58 +0200, deloptes wrote: > Joe wrote: > > > On Mon, 10 Sep 2018 22:54:26 +0200 > > > > > OK, aplay -l as root sees my USB device as card 1. > > why as root - are you in the audio group?
Having a user in the audio group is unnecessary. ACLs on the devices are used. brian@desktop:~$ ls -l /dev/snd/ total 0 drwxr-xr-x 2 root root 60 Jul 9 09:45 by-path crw-rw----+ 1 root audio 116, 2 Jul 9 09:45 controlC0 crw-rw----+ 1 root audio 116, 4 Aug 28 18:56 pcmC0D0c crw-rw----+ 1 root audio 116, 3 Sep 10 20:45 pcmC0D0p crw-rw----+ 1 root audio 116, 6 Jul 9 09:45 pcmC0D1c crw-rw----+ 1 root audio 116, 5 Jul 9 09:45 pcmC0D1p crw-rw----+ 1 root audio 116, 1 Jul 14 20:58 seq crw-rw----+ 1 root audio 116, 33 Jul 14 20:58 timer brian@desktop:~$ getfacl /dev/snd/timer getfacl: Removing leading '/' from absolute path names # file: dev/snd/timer # owner: root # group: audio user::rw- user:brian:rw- group::rw- mask::rw- other::--- -- Brian.
