161 			 struct loopback_control *ctl)  in control_init1()  argument
165 	snd_ctl_elem_info_set_id(ctl->info, ctl->id);  in control_init1()
166 	snd_ctl_elem_value_set_id(ctl->value, ctl->id);  in control_init1()
167 	if (lhandle->ctl == NULL) {  in control_init1()
168 		logit(LOG_WARNING, "Unable to read control info for '%s'\n", id_str(ctl->id));  in control_init1()
171 	err = snd_ctl_elem_info(lhandle->ctl, ctl->info);  in control_init1()
173 		logit(LOG_WARNING, "Unable to read control info '%s': %s\n", id_str(ctl->id), snd_strerror(err));  in control_init1()
176 	err = snd_ctl_elem_read(lhandle->ctl, ctl->value);  in control_init1()
178 …logit(LOG_WARNING, "Unable to read control value (init1) '%s': %s\n", id_str(ctl->id), snd_strerro…  in control_init1()
253 	snd_ctl_elem_remove(loop->capt->ctl, mix->dst.id);  in control_init2()
256 		err = snd_ctl_elem_add_boolean(loop->capt->ctl,  in control_init2()
261 		err = snd_ctl_elem_add_integer(loop->capt->ctl,  in control_init2()
277 	err = snd_ctl_elem_unlock(loop->capt->ctl, mix->dst.id);  in control_init2()
282 	err = snd_ctl_elem_info(loop->capt->ctl, mix->dst.info);  in control_init2()
289 		err = snd_ctl_elem_tlv_read(loop->play->ctl,  in control_init2()
296 		err = snd_ctl_elem_tlv_write(loop->capt->ctl,  in control_init2()
304 	err = snd_ctl_elem_write(loop->capt->ctl, mix->dst.value);  in control_init2()
347 	if (loop->capt->ctl == NULL)  in control_done()
357 		err = snd_ctl_elem_remove(loop->capt->ctl, mix->dst.id);  in control_done()
378 		err = snd_ctl_elem_read(loop->play->ctl, mix->src.value);  in control_event1()
384 		err = snd_ctl_elem_write(loop->capt->ctl, mix->dst.value);  in control_event1()
390 		err = snd_ctl_elem_read(loop->capt->ctl, mix->dst.value);  in control_event1()
396 		err = snd_ctl_elem_write(loop->play->ctl, mix->src.value);  in control_event1()