[media] af9035: Add possibility to define which I2C adapter to use

Some I2C tuner drivers require that the I2C device of the tuner is added
to the I2C adapter of the demodulator (Si2168+Si2157 for example). Add
possibility to tell af9035_add_i2c_dev which I2C adapter should be used.
Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/usb/dvb-usb-v2/af9035.c

@@ -194,12 +194,11 @@ static int af9035_wr_reg_mask(struct dvb_usb_device *d, u32 reg, u8 val,
 }
 
 static int af9035_add_i2c_dev(struct dvb_usb_device *d, char *type, u8 addr,
-		void *platform_data)
+		void *platform_data, struct i2c_adapter *adapter)
 {
 	int ret, num;
 	struct state *state = d_to_priv(d);
 	struct i2c_client *client;
-	struct i2c_adapter *adapter = &d->i2c_adap;
 	struct i2c_board_info board_info = {
 		.addr = addr,
 		.platform_data = platform_data,
@@ -1091,7 +1090,7 @@ static int af9035_frontend_attach(struct dvb_usb_adapter *adap)
 	state->af9033_config[adap->id].fe = &adap->fe[0];
 	state->af9033_config[adap->id].ops = &state->ops;
 	ret = af9035_add_i2c_dev(d, "af9033", state->af9033_i2c_addr[adap->id],
-			&state->af9033_config[adap->id]);
+			&state->af9033_config[adap->id], &d->i2c_adap);
 	if (ret)
 		goto err;
 
@@ -1382,7 +1381,7 @@ static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
 
 		ret = af9035_add_i2c_dev(d, "it913x",
 				state->af9033_i2c_addr[adap->id] >> 1,
-				&it913x_config);
+				&it913x_config, &d->i2c_adap);
 		if (ret)
 			goto err;
 
@@ -1407,7 +1406,7 @@ static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
 
 		ret = af9035_add_i2c_dev(d, "it913x",
 				state->af9033_i2c_addr[adap->id] >> 1,
-				&it913x_config);
+				&it913x_config, &d->i2c_adap);
 		if (ret)
 			goto err;