154 static struct usb_function_instance *fi_uac1;  variable
216 	f_uac1 = usb_get_function(fi_uac1);  in audio_do_config()
274 	fi_uac1 = usb_get_function_instance("uac1");  in audio_bind()
276 	fi_uac1 = usb_get_function_instance("uac1_legacy");  in audio_bind()
278 	if (IS_ERR(fi_uac1))  in audio_bind()
279 		return PTR_ERR(fi_uac1);  in audio_bind()
301 	uac1_opts = container_of(fi_uac1, struct f_uac1_opts, func_inst);  in audio_bind()
316 	uac1_opts = container_of(fi_uac1, struct f_uac1_legacy_opts, func_inst);  in audio_bind()
360 	usb_put_function_instance(fi_uac1);  in audio_bind()
370 	if (!IS_ERR_OR_NULL(fi_uac1))  in audio_unbind()
371 		usb_put_function_instance(fi_uac1);  in audio_unbind()