[media] dvb_usb_v2: move 3 callbacks from the frontend to adapter

Move .frontend_attach(), .tuner_attach() and .streaming_ctrl()
from the frontend to adapter.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/dvb-usb/dvb_usb.h

@@ -114,11 +114,6 @@ struct usb_data_stream_properties {
  * @stream: configuration of the USB streaming
  */
 struct dvb_usb_adapter_fe_properties {
-	int (*streaming_ctrl)  (struct dvb_usb_adapter *, int);
-
-	int (*frontend_attach) (struct dvb_usb_adapter *);
-	int (*tuner_attach)    (struct dvb_usb_adapter *);
-
 	int size_of_priv;
 };
 
@@ -136,9 +131,12 @@ struct dvb_usb_adapter_properties {
 	int (*pid_filter_ctrl) (struct dvb_usb_adapter *, int);
 	int (*pid_filter) (struct dvb_usb_adapter *, int, u16, int);
 
-	int (*frontend_ctrl)   (struct dvb_frontend *, int);
+	int (*frontend_attach) (struct dvb_usb_adapter *);
+	int (*tuner_attach) (struct dvb_usb_adapter *);
+	int (*frontend_ctrl) (struct dvb_frontend *, int);
+	int (*streaming_ctrl) (struct dvb_usb_adapter *, int);
 	int (*fe_ioctl_override) (struct dvb_frontend *,
-				  unsigned int, void *, unsigned int);
+			unsigned int, void *, unsigned int);
 
 	int num_frontends;
 	struct dvb_usb_adapter_fe_properties fe[MAX_NO_OF_FE_PER_ADAP];

drivers/media/dvb/dvb-usb/dvb_usb_dvb.c

@@ -83,9 +83,8 @@ static int dvb_usb_ctrl_feed(struct dvb_demux_feed *dvbdmxfeed, int onoff)
 		deb_ts("stop feeding\n");
 		usb_urb_kill(&adap->stream);
 
-		if (adap->props.fe[adap->active_fe].streaming_ctrl != NULL) {
-			ret = adap->props.fe[adap->active_fe].streaming_ctrl(
-				adap, 0);
+		if (adap->props.streaming_ctrl != NULL) {
+			ret = adap->props.streaming_ctrl(adap, 0);
 			if (ret < 0) {
 				err("error while stopping stream.");
 				return ret;
@@ -159,9 +158,8 @@ static int dvb_usb_ctrl_feed(struct dvb_demux_feed *dvbdmxfeed, int onoff)
 			}
 		}
 		deb_ts("start feeding\n");
-		if (adap->props.fe[adap->active_fe].streaming_ctrl != NULL) {
-			ret = adap->props.fe[adap->active_fe].streaming_ctrl(
-				adap, 1);
+		if (adap->props.streaming_ctrl != NULL) {
+			ret = adap->props.streaming_ctrl(adap, 1);
 			if (ret < 0) {
 				err("error while enabling fifo.");
 				return ret;
@@ -319,7 +317,7 @@ int dvb_usb_adapter_frontend_init(struct dvb_usb_adapter *adap)
 	/* register all given adapter frontends */
 	for (i = 0; i < adap->props.num_frontends; i++) {
 
-		if (adap->props.fe[i].frontend_attach == NULL) {
+		if (adap->props.frontend_attach == NULL) {
 			err("strange: '%s' #%d,%d " \
 			    "doesn't want to attach a frontend.",
 			    adap->dev->name, adap->id, i);
@@ -327,7 +325,7 @@ int dvb_usb_adapter_frontend_init(struct dvb_usb_adapter *adap)
 			return 0;
 		}
 
-		ret = adap->props.fe[i].frontend_attach(adap);
+		ret = adap->props.frontend_attach(adap);
 		if (ret || adap->fe_adap[i].fe == NULL) {
 			/* only print error when there is no FE at all */
 			if (i == 0)
@@ -359,8 +357,8 @@ int dvb_usb_adapter_frontend_init(struct dvb_usb_adapter *adap)
 		}
 
 		/* only attach the tuner if the demod is there */
-		if (adap->props.fe[i].tuner_attach != NULL)
-			adap->props.fe[i].tuner_attach(adap);
+		if (adap->props.tuner_attach != NULL)
+			adap->props.tuner_attach(adap);
 
 		adap->num_frontends_initialized++;
 	}