262 	uint32_t num_alt;  member
1034 		if (sc->sc_play_chan[i].num_alt <= 0)  in uaudio_attach()
1049 		for (x = 0; x != sc->sc_play_chan[i].num_alt; x++) {  in uaudio_attach()
1065 		if (sc->sc_rec_chan[i].num_alt <= 0)  in uaudio_attach()
1080 		for (x = 0; x != sc->sc_rec_chan[i].num_alt; x++) {  in uaudio_attach()
1123 		if (sc->sc_play_chan[i].num_alt <= 0 &&  in uaudio_attach()
1124 		    sc->sc_rec_chan[i].num_alt <= 0 &&  in uaudio_attach()
1182 	if (sc->sc_play_chan[i].num_alt > 0 &&  in uaudio_attach_sub()
1213 	if (sc->sc_play_chan[i].num_alt > 0) {  in uaudio_attach_sub()
1219 	if (sc->sc_rec_chan[i].num_alt > 0) {  in uaudio_attach_sub()
1371 	if (chan->num_alt <= 0)  in uaudio_configure_msg_sub()
1726 		if (chan->num_alt == 0) {  in uaudio_get_chan()
2048 		if (chan->num_alt == CHAN_MAX_ALT) {  in uaudio_chan_fill_info_sub()
2055 		chan_alt = &chan->usb_alt[chan->num_alt++];  in uaudio_chan_fill_info_sub()
2113 			chan->num_alt--;  in uaudio_chan_fill_info_sub()
2116 		if (chan->num_alt > 1) {  in uaudio_chan_fill_info_sub()
2120 				chan->num_alt--;  in uaudio_chan_fill_info_sub()
2124 			if (rate == chan->usb_alt[chan->num_alt - 2].sample_rate) {  in uaudio_chan_fill_info_sub()
2126 				chan->num_alt--;  in uaudio_chan_fill_info_sub()
2313 		if (ch->priv_sc->sc_rec_chan[i].num_alt == 0) {  in uaudio_chan_play_sync_callback()
2339 		if (ch->priv_sc->sc_rec_chan[i].num_alt != 0 &&  in uaudio_chan_play_sync_callback()
2385 	if (ch_rec->num_alt == 0)  in uaudio_chan_play_callback()
2425 			if (rec_alt < ch_rec->num_alt) {  in uaudio_chan_play_callback()
2672 	for (x = 0; x != ch->num_alt; x++) {  in uaudio_chan_init()
2713 	ch->num_alt = 0;  in uaudio_chan_free()
2741 	for (x = 0, y = 1; y < ch->num_alt; y++) {  in uaudio_chan_set_param_speed()
2847 	return (pchan->num_alt > 0 &&  in uaudio_chan_need_both()
2850 	    rchan->num_alt > 0 &&  in uaudio_chan_need_both()
2857 	return (pchan->num_alt > 0 &&  in uaudio_chan_need_none()
2859 	    rchan->num_alt > 0 &&  in uaudio_chan_need_none()
5456 	if (sc->sc_play_chan[i].num_alt > 0 &&  in uaudio_mixer_init_sub()