usb/au0828/au0828-dvb.c

282 	if (!demux->dmx.frontend)
285 	if (dvb->frontend) {
314 	if (dvb->frontend) {
435 	/* register frontend */
436 	result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
443 	/* Hook dvb frontend */
444 	dvb->set_frontend = dvb->frontend->ops.set_frontend;
445 	dvb->frontend->ops.set_frontend = au0828_set_frontend;
516 	dvb_unregister_frontend(dvb->frontend);
518 	dvb_frontend_detach(dvb->frontend);
537 	if (dvb->frontend == NULL)
547 	dvb_unregister_frontend(dvb->frontend);
548 	dvb_frontend_detach(dvb->frontend);
556 	dvb->frontend = NULL;
570 	/* init frontend */
574 		dvb->frontend = dvb_attach(au8522_attach,
577 		if (dvb->frontend != NULL)
581 				dvb_attach(xc5000_attach, dvb->frontend,
586 				dvb_attach(xc5000_attach, dvb->frontend,
593 		dvb->frontend = dvb_attach(au8522_attach,
596 		if (dvb->frontend != NULL)
597 			dvb_attach(mxl5007t_attach, dvb->frontend,
602 		dvb->frontend = dvb_attach(au8522_attach,
605 		if (dvb->frontend != NULL)
606 			dvb_attach(tda18271_attach, dvb->frontend,
611 		dvb->frontend = dvb_attach(au8522_attach,
614 		if (dvb->frontend != NULL) {
615 			dvb_attach(xc5000_attach, dvb->frontend,
621 		pr_warn("The frontend of your DVB/ATSC card isn't supported yet\n");
624 	if (NULL == dvb->frontend) {
630 	dvb->frontend->callback = au0828_tuner_callback;
635 		if (dvb->frontend->ops.release)
636 			dvb->frontend->ops.release(dvb->frontend);
637 		dvb->frontend = NULL;
651 	if (dvb->frontend) {
661 		/* suspend frontend - does tuner and fe to sleep */
662 		rc = dvb_frontend_suspend(dvb->frontend);
672 	if (dvb->frontend) {
673 		/* resume frontend - does fe and tuner init */
674 		rc = dvb_frontend_resume(dvb->frontend);