[media] fc0012: use struct for driver config

I need even more configuration options and overloading dvb_attach()
for all those sounds quite stupid. Due to that switch struct and make
room for new options.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Acked-by: Hans-Frieder Vogt <hfvogt@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/tuners/fc0012.c

@@ -436,8 +436,7 @@ static const struct dvb_tuner_ops fc0012_tuner_ops = {
 };
 
 struct dvb_frontend *fc0012_attach(struct dvb_frontend *fe,
-	struct i2c_adapter *i2c, u8 i2c_address, int dual_master,
-	enum fc001x_xtal_freq xtal_freq)
+	struct i2c_adapter *i2c, const struct fc0012_config *cfg)
 {
 	struct fc0012_priv *priv = NULL;
 
@@ -446,9 +445,9 @@ struct dvb_frontend *fc0012_attach(struct dvb_frontend *fe,
 		return NULL;
 
 	priv->i2c = i2c;
-	priv->dual_master = dual_master;
-	priv->addr = i2c_address;
-	priv->xtal_freq = xtal_freq;
+	priv->dual_master = cfg->dual_master;
+	priv->addr = cfg->i2c_address;
+	priv->xtal_freq = cfg->xtal_freq;
 
 	info("Fitipower FC0012 successfully attached.");
 

drivers/media/tuners/fc0012.h

@@ -24,17 +24,29 @@
 #include "dvb_frontend.h"
 #include "fc001x-common.h"
 
+struct fc0012_config {
+	/*
+	 * I2C address
+	 */
+	u8 i2c_address;
+
+	/*
+	 * clock
+	 */
+	enum fc001x_xtal_freq xtal_freq;
+
+	int dual_master;
+};
+
 #if defined(CONFIG_MEDIA_TUNER_FC0012) || \
 	(defined(CONFIG_MEDIA_TUNER_FC0012_MODULE) && defined(MODULE))
 extern struct dvb_frontend *fc0012_attach(struct dvb_frontend *fe,
 					struct i2c_adapter *i2c,
-					u8 i2c_address, int dual_master,
-					enum fc001x_xtal_freq xtal_freq);
+					const struct fc0012_config *cfg);
 #else
 static inline struct dvb_frontend *fc0012_attach(struct dvb_frontend *fe,
 					struct i2c_adapter *i2c,
-					u8 i2c_address, int dual_master,
-					enum fc001x_xtal_freq xtal_freq)
+					const struct fc0012_config *cfg)
 {
 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
 	return NULL;

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

@@ -900,6 +900,12 @@ static const struct fc2580_config af9035_fc2580_config = {
 	.clock = 16384000,
 };
 
+static const struct fc0012_config af9035_fc0012_config = {
+	.i2c_address = 0x63,
+	.xtal_freq = FC_XTAL_36_MHZ,
+	.dual_master = 1,
+};
+
 static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
 {
 	struct state *state = adap_to_priv(adap);
@@ -1043,8 +1049,8 @@ static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
 
 		usleep_range(10000, 50000);
 
-		fe = dvb_attach(fc0012_attach, adap->fe[0], &d->i2c_adap, 0x63,
-				1, FC_XTAL_36_MHZ);
+		fe = dvb_attach(fc0012_attach, adap->fe[0], &d->i2c_adap,
+				&af9035_fc0012_config);
 		break;
 	default:
 		fe = NULL;

drivers/media/usb/dvb-usb-v2/rtl28xxu.c

@@ -835,6 +835,11 @@ static struct tua9001_config rtl2832u_tua9001_config = {
 	.i2c_addr = 0x60,
 };
 
+static const struct fc0012_config rtl2832u_fc0012_config = {
+	.i2c_address = 0x63, /* 0xc6 >> 1 */
+	.xtal_freq = FC_XTAL_28_8_MHZ,
+};
+
 static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
 {
 	int ret;
@@ -847,7 +852,7 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
 	switch (priv->tuner) {
 	case TUNER_RTL2832_FC0012:
 		fe = dvb_attach(fc0012_attach, adap->fe[0],
-			&d->i2c_adap, 0xc6>>1, 0, FC_XTAL_28_8_MHZ);
+			&d->i2c_adap, &rtl2832u_fc0012_config);
 
 		/* since fc0012 includs reading the signal strength delegate
 		 * that to the tuner driver */