[media] dvb-usb: refactor MFE code for individual streaming config per frontend

refactor MFE code to allow for individual streaming configuration
for each frontend

Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/dvb-usb/opera1.c b/drivers/media/dvb/dvb-usb/opera1.c
index 170b1ef..b6e12f9 100644
--- a/drivers/media/dvb/dvb-usb/opera1.c
+++ b/drivers/media/dvb/dvb-usb/opera1.c
@@ -263,10 +263,10 @@
 
 static int opera1_frontend_attach(struct dvb_usb_adapter *d)
 {
-	if ((d->fe[0] =
+	if ((d->fe_adap[0].fe =
 	     dvb_attach(stv0299_attach, &opera1_stv0299_config,
 			&d->dev->i2c_adap)) != NULL) {
-		d->fe[0]->ops.set_voltage = opera1_set_voltage;
+		d->fe_adap[0].fe->ops.set_voltage = opera1_set_voltage;
 		return 0;
 	}
 	info("not attached stv0299");
@@ -276,7 +276,7 @@
 static int opera1_tuner_attach(struct dvb_usb_adapter *adap)
 {
 	dvb_attach(
-		dvb_pll_attach, adap->fe[0], 0xc0>>1,
+		dvb_pll_attach, adap->fe_adap[0].fe, 0xc0>>1,
 		&adap->dev->i2c_adap, DVB_PLL_OPERA1
 	);
 	return 0;
@@ -516,6 +516,8 @@
 	.num_adapters = 1,
 	.adapter = {
 		{
+		.num_frontends = 1,
+		.fe = {{
 			.frontend_attach = opera1_frontend_attach,
 			.streaming_ctrl = opera1_streaming_ctrl,
 			.tuner_attach = opera1_tuner_attach,
@@ -535,6 +537,7 @@
 					}
 				}
 			},
+		}},
 		}
 	},
 	.num_device_descs = 1,