V4L/DVB (8646): cx23885: Convert framework to use a single tuner callback function.

Code reduction. Tuner callback now assumes that tsport is passed as the void arg.
Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/cx23885/cx23885-cards.c

@@ -329,11 +329,15 @@ static void hauppauge_eeprom(struct cx23885_dev *dev, u8 *eeprom_data)
 			dev->name, tv.model);
 }
 
-static int cx23885_tuner_callback(struct cx23885_dev *dev, int port,
-				  int command, int arg)
+int cx23885_tuner_callback(void *priv, int command, int arg)
 {
+	struct cx23885_tsport *port = priv;
+	struct cx23885_dev *dev = port->dev;
 	u32 bitmask = 0;
 
+	if (command == XC2028_RESET_CLK)
+		return 0;
+
 	if (command != 0) {
 		printk(KERN_ERR "%s(): Unknown command 0x%x.\n",
 			__func__, command);
@@ -354,9 +358,9 @@ static int cx23885_tuner_callback(struct cx23885_dev *dev, int port,
 
 			/* Two identical tuners on two different i2c buses,
 			 * we need to reset the correct gpio. */
-			if (port == 0)
+			if (port->nr == 0)
 				bitmask = 0x01;
-			else if (port == 1)
+			else if (port->nr == 1)
 				bitmask = 0x04;
 		}
 		break;
@@ -372,25 +376,6 @@ static int cx23885_tuner_callback(struct cx23885_dev *dev, int port,
 	return 0;
 }
 
-int cx23885_xc5000_tuner_callback(void *priv, int command, int arg)
-{
-	struct cx23885_i2c *bus = priv;
-	struct cx23885_dev *dev = bus->dev;
-
-	return cx23885_tuner_callback(dev, bus->nr, command, arg);
-}
-
-int cx23885_xc3028_tuner_callback(void *priv, int command, int arg)
-{
-	struct cx23885_tsport *port = priv;
-	struct cx23885_dev *dev = port->dev;
-
-	if (command == XC2028_RESET_CLK)
-		return 0;
-
-	return cx23885_tuner_callback(dev, port->nr, command, arg);
-}
-
 void cx23885_gpio_setup(struct cx23885_dev *dev)
 {
 	switch(dev->board) {

drivers/media/video/cx23885/cx23885-dvb.c

@@ -189,13 +189,13 @@ static struct s5h1411_config dvico_s5h1411_config = {
 static struct xc5000_config hauppauge_hvr1500q_tunerconfig = {
 	.i2c_address      = 0x61,
 	.if_khz           = 5380,
-	.tuner_callback   = cx23885_xc5000_tuner_callback,
+	.tuner_callback   = cx23885_tuner_callback,
 };
 
 static struct xc5000_config dvico_xc5000_tunerconfig = {
 	.i2c_address      = 0x64,
 	.if_khz           = 5380,
-	.tuner_callback   = cx23885_xc5000_tuner_callback,
+	.tuner_callback   = cx23885_tuner_callback,
 };
 
 static struct tda829x_config tda829x_no_probe = {
@@ -391,7 +391,7 @@ static int dvb_register(struct cx23885_tsport *port)
 		if (port->dvb.frontend != NULL)
 			dvb_attach(xc5000_attach, port->dvb.frontend,
 				&i2c_bus->i2c_adap,
-				&hauppauge_hvr1500q_tunerconfig, i2c_bus);
+				&hauppauge_hvr1500q_tunerconfig, port);
 		break;
 	case CX23885_BOARD_HAUPPAUGE_HVR1500:
 		i2c_bus = &dev->i2c_bus[1];
@@ -403,7 +403,8 @@ static int dvb_register(struct cx23885_tsport *port)
 			struct xc2028_config cfg = {
 				.i2c_adap  = &i2c_bus->i2c_adap,
 				.i2c_addr  = 0x61,
-				.callback  = cx23885_xc3028_tuner_callback,
+				.video_dev = port,
+				.callback  = cx23885_tuner_callback,
 			};
 			static struct xc2028_ctrl ctl = {
 				.fname       = "xc3028-v27.fw",
@@ -442,7 +443,8 @@ static int dvb_register(struct cx23885_tsport *port)
 			struct xc2028_config cfg = {
 				.i2c_adap  = &dev->i2c_bus[1].i2c_adap,
 				.i2c_addr  = 0x64,
-				.callback  = cx23885_xc3028_tuner_callback,
+				.video_dev = port,
+				.callback  = cx23885_tuner_callback,
 			};
 			static struct xc2028_ctrl ctl = {
 				.fname   = "xc3028L-v36.fw",
@@ -470,7 +472,7 @@ static int dvb_register(struct cx23885_tsport *port)
 		if (port->dvb.frontend != NULL)
 			dvb_attach(xc5000_attach, port->dvb.frontend,
 				&i2c_bus->i2c_adap,
-				&dvico_xc5000_tunerconfig, i2c_bus);
+				&dvico_xc5000_tunerconfig, port);
 		break;
 	case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP: {
 		i2c_bus = &dev->i2c_bus[port->nr - 1];
@@ -484,7 +486,7 @@ static int dvb_register(struct cx23885_tsport *port)
 				.i2c_adap  = &i2c_bus->i2c_adap,
 				.i2c_addr  = 0x61,
 				.video_dev = port,
-				.callback  = cx23885_xc3028_tuner_callback,
+				.callback  = cx23885_tuner_callback,
 			};
 			static struct xc2028_ctrl ctl = {
 				.fname       = "xc3028-v27.fw",

drivers/media/video/cx23885/cx23885.h

@@ -410,8 +410,7 @@ extern const unsigned int cx23885_bcount;
 extern struct cx23885_subid cx23885_subids[];
 extern const unsigned int cx23885_idcount;
 
-extern int cx23885_xc5000_tuner_callback(void *priv, int command, int arg);
-extern int cx23885_xc3028_tuner_callback(void *priv, int command, int arg);
+extern int cx23885_tuner_callback(void *priv, int command, int arg);
 extern void cx23885_card_list(struct cx23885_dev *dev);
 extern int  cx23885_ir_init(struct cx23885_dev *dev);
 extern void cx23885_gpio_setup(struct cx23885_dev *dev);