V4L/DVB (11845): ir-kbd-i2c: Use initialization data

For specific boards, pass initialization data to ir-kbd-i2c instead
of modifying the settings after the device is initialized. This is
more efficient and easier to read.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/cx231xx/cx231xx-cards.c b/drivers/media/video/cx231xx/cx231xx-cards.c
index 734f6ea..63d2239 100644
--- a/drivers/media/video/cx231xx/cx231xx-cards.c
+++ b/drivers/media/video/cx231xx/cx231xx-cards.c
@@ -287,10 +287,7 @@
 		return;
 
 	/* REVISIT: instantiate IR device */
-}
 
-void cx231xx_set_ir(struct cx231xx *dev, struct IR_i2c *ir)
-{
 	/* detect & configure */
 	switch (dev->model) {
 
diff --git a/drivers/media/video/cx231xx/cx231xx-i2c.c b/drivers/media/video/cx231xx/cx231xx-i2c.c
index ac4099a..33219dc 100644
--- a/drivers/media/video/cx231xx/cx231xx-i2c.c
+++ b/drivers/media/video/cx231xx/cx231xx-i2c.c
@@ -424,34 +424,6 @@
 	return I2C_FUNC_SMBUS_EMUL | I2C_FUNC_I2C;
 }
 
-/*
- * attach_inform()
- * gets called when a device attaches to the i2c bus
- * does some basic configuration
- */
-static int attach_inform(struct i2c_client *client)
-{
-	struct cx231xx_i2c *bus = i2c_get_adapdata(client->adapter);
-	struct cx231xx *dev = bus->dev;
-
-	switch (client->addr << 1) {
-	case 0x8e:
-		{
-			struct IR_i2c *ir = i2c_get_clientdata(client);
-			dprintk1(1, "attach_inform: IR detected (%s).\n",
-				 ir->phys);
-			cx231xx_set_ir(dev, ir);
-			break;
-		}
-		break;
-
-	default:
-		break;
-	}
-
-	return 0;
-}
-
 static struct i2c_algorithm cx231xx_algo = {
 	.master_xfer = cx231xx_i2c_xfer,
 	.functionality = functionality,
@@ -462,7 +434,6 @@
 	.name = "cx231xx",
 	.id = I2C_HW_B_CX231XX,
 	.algo = &cx231xx_algo,
-	.client_register = attach_inform,
 };
 
 static struct i2c_client cx231xx_client_template = {
diff --git a/drivers/media/video/cx231xx/cx231xx.h b/drivers/media/video/cx231xx/cx231xx.h
index 8c300f6..e38eb2d 100644
--- a/drivers/media/video/cx231xx/cx231xx.h
+++ b/drivers/media/video/cx231xx/cx231xx.h
@@ -739,7 +739,6 @@
 extern struct usb_device_id cx231xx_id_table[];
 extern const unsigned int cx231xx_bcount;
 void cx231xx_register_i2c_ir(struct cx231xx *dev);
-void cx231xx_set_ir(struct cx231xx *dev, struct IR_i2c *ir);
 int cx231xx_tuner_callback(void *ptr, int component, int command, int arg);
 
 /* Provided by cx231xx-input.c */
diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index edba711..fe2a471 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -1915,6 +1915,7 @@
 void em28xx_register_i2c_ir(struct em28xx *dev)
 {
 	struct i2c_board_info info;
+	struct IR_i2c_init_data init_data;
 	const unsigned short addr_list[] = {
 		 0x30, 0x47, I2C_CLIENT_END
 	};
@@ -1923,12 +1924,9 @@
 		return;
 
 	memset(&info, 0, sizeof(struct i2c_board_info));
+	memset(&init_data, 0, sizeof(struct IR_i2c_init_data));
 	strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
-	i2c_new_probed_device(&dev->i2c_adap, &info, addr_list);
-}
 
-void em28xx_set_ir(struct em28xx *dev, struct IR_i2c *ir)
-{
 	/* detect & configure */
 	switch (dev->model) {
 	case (EM2800_BOARD_UNKNOWN):
@@ -1937,22 +1935,19 @@
 		break;
 	case (EM2800_BOARD_TERRATEC_CINERGY_200):
 	case (EM2820_BOARD_TERRATEC_CINERGY_250):
-		ir->ir_codes = ir_codes_em_terratec;
-		ir->get_key = em28xx_get_key_terratec;
-		snprintf(ir->name, sizeof(ir->name),
-			 "i2c IR (EM28XX Terratec)");
+		init_data.ir_codes = ir_codes_em_terratec;
+		init_data.get_key = em28xx_get_key_terratec;
+		init_data.name = "i2c IR (EM28XX Terratec)";
 		break;
 	case (EM2820_BOARD_PINNACLE_USB_2):
-		ir->ir_codes = ir_codes_pinnacle_grey;
-		ir->get_key = em28xx_get_key_pinnacle_usb_grey;
-		snprintf(ir->name, sizeof(ir->name),
-			 "i2c IR (EM28XX Pinnacle PCTV)");
+		init_data.ir_codes = ir_codes_pinnacle_grey;
+		init_data.get_key = em28xx_get_key_pinnacle_usb_grey;
+		init_data.name = "i2c IR (EM28XX Pinnacle PCTV)";
 		break;
 	case (EM2820_BOARD_HAUPPAUGE_WINTV_USB_2):
-		ir->ir_codes = ir_codes_hauppauge_new;
-		ir->get_key = em28xx_get_key_em_haup;
-		snprintf(ir->name, sizeof(ir->name),
-			 "i2c IR (EM2840 Hauppauge)");
+		init_data.ir_codes = ir_codes_hauppauge_new;
+		init_data.get_key = em28xx_get_key_em_haup;
+		init_data.name = "i2c IR (EM2840 Hauppauge)";
 		break;
 	case (EM2820_BOARD_MSI_VOX_USB_2):
 		break;
@@ -1963,6 +1958,10 @@
 	case (EM2800_BOARD_GRABBEEX_USB2800):
 		break;
 	}
+
+	if (init_data.name)
+		info.platform_data = &init_data;
+	i2c_new_probed_device(&dev->i2c_adap, &info, addr_list);
 }
 
 void em28xx_card_setup(struct em28xx *dev)
diff --git a/drivers/media/video/em28xx/em28xx-i2c.c b/drivers/media/video/em28xx/em28xx-i2c.c
index d90294c..2c86fcf 100644
--- a/drivers/media/video/em28xx/em28xx-i2c.c
+++ b/drivers/media/video/em28xx/em28xx-i2c.c
@@ -451,27 +451,6 @@
 	return I2C_FUNC_SMBUS_EMUL;
 }
 
-/*
- * attach_inform()
- * gets called when a device attaches to the i2c bus
- * does some basic configuration
- */
-static int attach_inform(struct i2c_client *client)
-{
-	struct em28xx *dev = client->adapter->algo_data;
-	struct IR_i2c *ir = i2c_get_clientdata(client);
-
-	switch (client->addr << 1) {
-	case 0x60:
-	case 0x8e:
-		dprintk1(1, "attach_inform: IR detected (%s).\n", ir->phys);
-		em28xx_set_ir(dev, ir);
-		break;
-	}
-
-	return 0;
-}
-
 static struct i2c_algorithm em28xx_algo = {
 	.master_xfer   = em28xx_i2c_xfer,
 	.functionality = functionality,
@@ -482,7 +461,6 @@
 	.name = "em28xx",
 	.id = I2C_HW_B_EM28XX,
 	.algo = &em28xx_algo,
-	.client_register = attach_inform,
 };
 
 static struct i2c_client em28xx_client_template = {
diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h
index 9c63254..8db797f 100644
--- a/drivers/media/video/em28xx/em28xx.h
+++ b/drivers/media/video/em28xx/em28xx.h
@@ -644,7 +644,6 @@
 extern struct usb_device_id em28xx_id_table[];
 extern const unsigned int em28xx_bcount;
 void em28xx_register_i2c_ir(struct em28xx *dev);
-void em28xx_set_ir(struct em28xx *dev, struct IR_i2c *ir);
 int em28xx_tuner_callback(void *ptr, int component, int command, int arg);
 void em28xx_release_resources(struct em28xx *dev);
 
diff --git a/drivers/media/video/ir-kbd-i2c.c b/drivers/media/video/ir-kbd-i2c.c
index cb833a6..3a88802 100644
--- a/drivers/media/video/ir-kbd-i2c.c
+++ b/drivers/media/video/ir-kbd-i2c.c
@@ -298,7 +298,7 @@
 static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id)
 {
 	IR_KEYTAB_TYPE *ir_codes = NULL;
-	char *name;
+	const char *name;
 	int ir_type;
 	struct IR_i2c *ir;
 	struct input_dev *input_dev;
@@ -386,6 +386,16 @@
 		goto err_out_free;
 	}
 
+	/* Let the caller override settings */
+	if (client->dev.platform_data) {
+		const struct IR_i2c_init_data *init_data =
+						client->dev.platform_data;
+
+		ir_codes = init_data->ir_codes;
+		name = init_data->name;
+		ir->get_key = init_data->get_key;
+	}
+
 	/* Sets name */
 	snprintf(ir->name, sizeof(ir->name), "i2c IR (%s)", name);
 	ir->ir_codes = ir_codes;
diff --git a/drivers/media/video/saa7134/saa7134-i2c.c b/drivers/media/video/saa7134/saa7134-i2c.c
index a96f759..a8a355e 100644
--- a/drivers/media/video/saa7134/saa7134-i2c.c
+++ b/drivers/media/video/saa7134/saa7134-i2c.c
@@ -321,33 +321,6 @@
 	return I2C_FUNC_SMBUS_EMUL;
 }
 
-static int attach_inform(struct i2c_client *client)
-{
-	struct saa7134_dev *dev = client->adapter->algo_data;
-
-	d1printk( "%s i2c attach [addr=0x%x,client=%s]\n",
-		client->driver->driver.name, client->addr, client->name);
-
-	/* Am I an i2c remote control? */
-
-	switch (client->addr) {
-		case 0x7a:
-		case 0x47:
-		case 0x71:
-		case 0x2d:
-		case 0x30:
-		{
-			struct IR_i2c *ir = i2c_get_clientdata(client);
-			d1printk("%s i2c IR detected (%s).\n",
-				 client->driver->driver.name, ir->phys);
-			saa7134_set_i2c_ir(dev,ir);
-			break;
-		}
-	}
-
-	return 0;
-}
-
 static struct i2c_algorithm saa7134_algo = {
 	.master_xfer   = saa7134_i2c_xfer,
 	.functionality = functionality,
@@ -358,7 +331,6 @@
 	.name          = "saa7134",
 	.id            = I2C_HW_SAA7134,
 	.algo          = &saa7134_algo,
-	.client_register = attach_inform,
 };
 
 static struct i2c_client saa7134_client_template = {
diff --git a/drivers/media/video/saa7134/saa7134-input.c b/drivers/media/video/saa7134/saa7134-input.c
index 4144ca9..a20f687 100644
--- a/drivers/media/video/saa7134/saa7134-input.c
+++ b/drivers/media/video/saa7134/saa7134-input.c
@@ -685,6 +685,7 @@
 void saa7134_probe_i2c_ir(struct saa7134_dev *dev)
 {
 	struct i2c_board_info info;
+	struct IR_i2c_init_data init_data;
 	const unsigned short addr_list[] = {
 		0x7a, 0x47, 0x71, 0x2d,
 		I2C_CLIENT_END
@@ -722,7 +723,56 @@
 	}
 
 	memset(&info, 0, sizeof(struct i2c_board_info));
+	memset(&init_data, 0, sizeof(struct IR_i2c_init_data));
 	strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
+
+	switch (dev->board) {
+	case SAA7134_BOARD_PINNACLE_PCTV_110i:
+	case SAA7134_BOARD_PINNACLE_PCTV_310i:
+		init_data.name = "Pinnacle PCTV";
+		if (pinnacle_remote == 0) {
+			init_data.get_key = get_key_pinnacle_color;
+			init_data.ir_codes = ir_codes_pinnacle_color;
+		} else {
+			init_data.get_key = get_key_pinnacle_grey;
+			init_data.ir_codes = ir_codes_pinnacle_grey;
+		}
+		break;
+	case SAA7134_BOARD_UPMOST_PURPLE_TV:
+		init_data.name = "Purple TV";
+		init_data.get_key = get_key_purpletv;
+		init_data.ir_codes = ir_codes_purpletv;
+		break;
+	case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS:
+		init_data.name = "MSI TV@nywhere Plus";
+		init_data.get_key = get_key_msi_tvanywhere_plus;
+		init_data.ir_codes = ir_codes_msi_tvanywhere_plus;
+		break;
+	case SAA7134_BOARD_HAUPPAUGE_HVR1110:
+		init_data.name = "HVR 1110";
+		init_data.get_key = get_key_hvr1110;
+		init_data.ir_codes = ir_codes_hauppauge_new;
+		break;
+	case SAA7134_BOARD_BEHOLD_607FM_MK3:
+	case SAA7134_BOARD_BEHOLD_607FM_MK5:
+	case SAA7134_BOARD_BEHOLD_609FM_MK3:
+	case SAA7134_BOARD_BEHOLD_609FM_MK5:
+	case SAA7134_BOARD_BEHOLD_607RDS_MK3:
+	case SAA7134_BOARD_BEHOLD_607RDS_MK5:
+	case SAA7134_BOARD_BEHOLD_609RDS_MK3:
+	case SAA7134_BOARD_BEHOLD_609RDS_MK5:
+	case SAA7134_BOARD_BEHOLD_M6:
+	case SAA7134_BOARD_BEHOLD_M63:
+	case SAA7134_BOARD_BEHOLD_M6_EXTRA:
+	case SAA7134_BOARD_BEHOLD_H6:
+		init_data.name = "BeholdTV";
+		init_data.get_key = get_key_beholdm6xx;
+		init_data.ir_codes = ir_codes_behold;
+		break;
+	}
+
+	if (init_data.name)
+		info.platform_data = &init_data;
 	client = i2c_new_probed_device(&dev->i2c_adap, &info, addr_list);
 	if (client)
 		return;
@@ -750,58 +800,6 @@
 	}
 }
 
-void saa7134_set_i2c_ir(struct saa7134_dev *dev, struct IR_i2c *ir)
-{
-	switch (dev->board) {
-	case SAA7134_BOARD_PINNACLE_PCTV_110i:
-	case SAA7134_BOARD_PINNACLE_PCTV_310i:
-		snprintf(ir->name, sizeof(ir->name), "Pinnacle PCTV");
-		if (pinnacle_remote == 0) {
-			ir->get_key   = get_key_pinnacle_color;
-			ir->ir_codes = ir_codes_pinnacle_color;
-		} else {
-			ir->get_key   = get_key_pinnacle_grey;
-			ir->ir_codes = ir_codes_pinnacle_grey;
-		}
-		break;
-	case SAA7134_BOARD_UPMOST_PURPLE_TV:
-		snprintf(ir->name, sizeof(ir->name), "Purple TV");
-		ir->get_key   = get_key_purpletv;
-		ir->ir_codes  = ir_codes_purpletv;
-		break;
-	case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS:
-		snprintf(ir->name, sizeof(ir->name), "MSI TV@nywhere Plus");
-		ir->get_key  = get_key_msi_tvanywhere_plus;
-		ir->ir_codes = ir_codes_msi_tvanywhere_plus;
-		break;
-	case SAA7134_BOARD_HAUPPAUGE_HVR1110:
-		snprintf(ir->name, sizeof(ir->name), "HVR 1110");
-		ir->get_key   = get_key_hvr1110;
-		ir->ir_codes  = ir_codes_hauppauge_new;
-		break;
-	case SAA7134_BOARD_BEHOLD_607FM_MK3:
-	case SAA7134_BOARD_BEHOLD_607FM_MK5:
-	case SAA7134_BOARD_BEHOLD_609FM_MK3:
-	case SAA7134_BOARD_BEHOLD_609FM_MK5:
-	case SAA7134_BOARD_BEHOLD_607RDS_MK3:
-	case SAA7134_BOARD_BEHOLD_607RDS_MK5:
-	case SAA7134_BOARD_BEHOLD_609RDS_MK3:
-	case SAA7134_BOARD_BEHOLD_609RDS_MK5:
-	case SAA7134_BOARD_BEHOLD_M6:
-	case SAA7134_BOARD_BEHOLD_M63:
-	case SAA7134_BOARD_BEHOLD_M6_EXTRA:
-	case SAA7134_BOARD_BEHOLD_H6:
-		snprintf(ir->name, sizeof(ir->name), "BeholdTV");
-		ir->get_key   = get_key_beholdm6xx;
-		ir->ir_codes  = ir_codes_behold;
-		break;
-	default:
-		dprintk("Shouldn't get here: Unknown board %x for I2C IR?\n",dev->board);
-		break;
-	}
-
-}
-
 static int saa7134_rc5_irq(struct saa7134_dev *dev)
 {
 	struct card_ir *ir = dev->remote;
diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h
index 116534e..ae7602d 100644
--- a/drivers/media/video/saa7134/saa7134.h
+++ b/drivers/media/video/saa7134/saa7134.h
@@ -800,7 +800,6 @@
 void saa7134_input_fini(struct saa7134_dev *dev);
 void saa7134_input_irq(struct saa7134_dev *dev);
 void saa7134_probe_i2c_ir(struct saa7134_dev *dev);
-void saa7134_set_i2c_ir(struct saa7134_dev *dev, struct IR_i2c *ir);
 void saa7134_ir_start(struct saa7134_dev *dev, struct card_ir *ir);
 void saa7134_ir_stop(struct saa7134_dev *dev);
 
diff --git a/include/media/ir-kbd-i2c.h b/include/media/ir-kbd-i2c.h
index 94a77b1..3ad4ed5 100644
--- a/include/media/ir-kbd-i2c.h
+++ b/include/media/ir-kbd-i2c.h
@@ -19,4 +19,11 @@
 	char                   phys[32];
 	int                    (*get_key)(struct IR_i2c*, u32*, u32*);
 };
+
+/* Can be passed when instantiating an ir_video i2c device */
+struct IR_i2c_init_data {
+	IR_KEYTAB_TYPE         *ir_codes;
+	const char             *name;
+	int                    (*get_key)(struct IR_i2c*, u32*, u32*);
+};
 #endif