loopback_pcm_new 1151 sound/drivers/aloop.c 	err = loopback_pcm_new(loopback, 0, pcm_substreams[dev]);
loopback_pcm_new 1154 sound/drivers/aloop.c 	err = loopback_pcm_new(loopback, 1, pcm_substreams[dev]);