On 5/7/24 14:51, Wesley Cheng wrote: > Add SND kcontrol to SOC USB, which will allow for userpsace to determine > which USB card number and PCM device to offload. This allows for userspace > to potentially tag an alternate path for a specific USB SND card and PCM > device. Previously, control was absent, and the offload path would be > enabled on the last USB SND device which was connected. This logic will > continue to be applicable if no mixer input is received for specific device > selection. > > An example to configure the offload device using tinymix: > tinymix -D 0 set 'USB Offload Playback Route Select' 1 0 > > The above command will configure the offload path to utilize card#1 and PCM > stream#0. I don't know how this is usable in practice. Using card indices is really hard to do, it depends on the order in which devices are plugged-in...
