saa7134: fix RTD Embedded Technologies VFG7350 support.

From: Hans Verkuil <hverkuil@xs4all.nl>

This card has the saa6752hs on 7-bit address 0x21 instead of 0x20. Add
support in the card definition struct to select which address to use and
update the definitions accordingly.

Priority: normal

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>

5 files changed, 14 insertions, 5 deletions

diff --git a/linux/drivers/media/video/saa7134/saa6752hs.c b/linux/drivers/media/video/saa7134/saa6752hs.c
index 3af36d929..2b82466d4 100644
--- a/linux/drivers/media/video/saa7134/saa6752hs.c
+++ b/linux/drivers/media/video/saa7134/saa6752hs.c
@@ -48,7 +48,7 @@
 
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 22)
 /* Addresses to scan */
-static unsigned short normal_i2c[] = {0x20, I2C_CLIENT_END};
+static unsigned short normal_i2c[] = {0x20, 0x21, I2C_CLIENT_END};
 
 I2C_CLIENT_INSMOD;
 #endif
diff --git a/linux/drivers/media/video/saa7134/saa7134-cards.c b/linux/drivers/media/video/saa7134/saa7134-cards.c
index e8efc883c..50d2868ce 100644
--- a/linux/drivers/media/video/saa7134/saa7134-cards.c
+++ b/linux/drivers/media/video/saa7134/saa7134-cards.c
@@ -273,6 +273,7 @@ struct saa7134_board saa7134_boards[] = {
 		.radio_type     = UNSET,
 		.tuner_addr	= ADDR_UNSET,
 		.radio_addr	= ADDR_UNSET,
+		.empress_addr 	= 0x20,
 
 		.inputs         = {{
 			.name = name_comp1,
@@ -409,6 +410,7 @@ struct saa7134_board saa7134_boards[] = {
 		.radio_type     = UNSET,
 		.tuner_addr	= ADDR_UNSET,
 		.radio_addr	= ADDR_UNSET,
+		.empress_addr 	= 0x20,
 		.tda9887_conf	= TDA9887_PRESENT,
 		.gpiomask	= 0x820000,
 		.inputs		= {{
@@ -819,6 +821,7 @@ struct saa7134_board saa7134_boards[] = {
 		.radio_type     = UNSET,
 		.tuner_addr	= ADDR_UNSET,
 		.radio_addr	= ADDR_UNSET,
+		.empress_addr 	= 0x20,
 		.inputs         = {{
 			.name = name_comp1,
 			.vmux = 4,
@@ -978,6 +981,7 @@ struct saa7134_board saa7134_boards[] = {
 		.radio_type     = UNSET,
 		.tuner_addr	= ADDR_UNSET,
 		.radio_addr	= ADDR_UNSET,
+		.empress_addr 	= 0x20,
 		.inputs         = {{
 			.name = name_comp1,
 			.vmux = 1,
@@ -2365,6 +2369,7 @@ struct saa7134_board saa7134_boards[] = {
 		.radio_type	= UNSET,
 		.tuner_addr	= ADDR_UNSET,
 		.radio_addr	= ADDR_UNSET,
+		.empress_addr 	= 0x21,
 		.inputs		= {{
 			.name   = "Composite 0",
 			.vmux   = 0,
@@ -4172,6 +4177,7 @@ struct saa7134_board saa7134_boards[] = {
 		.radio_type     = UNSET,
 		.tuner_addr     = ADDR_UNSET,
 		.radio_addr     = ADDR_UNSET,
+		.empress_addr 	= 0x20,
 		.tda9887_conf   = TDA9887_PRESENT,
 		.inputs         = { {
 			.name = name_tv,
@@ -4208,6 +4214,7 @@ struct saa7134_board saa7134_boards[] = {
 		.radio_type     = UNSET,
 		.tuner_addr     = ADDR_UNSET,
 		.radio_addr     = ADDR_UNSET,
+		.empress_addr 	= 0x20,
 		.tda9887_conf   = TDA9887_PRESENT,
 		.inputs         = { {
 			.name = name_tv,
@@ -4245,6 +4252,7 @@ struct saa7134_board saa7134_boards[] = {
 		.radio_type     = UNSET,
 		.tuner_addr     = ADDR_UNSET,
 		.radio_addr     = ADDR_UNSET,
+		.empress_addr 	= 0x20,
 		.tda9887_conf   = TDA9887_PRESENT,
 		.inputs         = { {
 			.name = name_tv,
diff --git a/linux/drivers/media/video/saa7134/saa7134-core.c b/linux/drivers/media/video/saa7134/saa7134-core.c
index b99b1ed1c..71142b53e 100644
--- a/linux/drivers/media/video/saa7134/saa7134-core.c
+++ b/linux/drivers/media/video/saa7134/saa7134-core.c
@@ -1043,8 +1043,9 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
 	/* load i2c helpers */
 	if (card_is_empress(dev)) {
 		struct v4l2_subdev *sd =
-			v4l2_i2c_new_subdev(&dev->i2c_adap, "saa6752hs",
-				"saa6752hs", 0x20);
+			v4l2_i2c_new_subdev(&dev->i2c_adap,
+				"saa6752hs", "saa6752hs",
+				saa7134_boards[dev->board].empress_addr);
 
 		if (sd)
 			sd->grp_id = GRP_EMPRESS;
diff --git a/linux/drivers/media/video/saa7134/saa7134-empress.c b/linux/drivers/media/video/saa7134/saa7134-empress.c
index 609342128..bab6b56c8 100644
--- a/linux/drivers/media/video/saa7134/saa7134-empress.c
+++ b/linux/drivers/media/video/saa7134/saa7134-empress.c
@@ -416,8 +416,7 @@ static int empress_g_chip_ident(struct file *file, void *fh,
 	if (chip->match.type == V4L2_CHIP_MATCH_I2C_DRIVER &&
 	    !strcmp(chip->match.name, "saa6752hs"))
 		return saa_call_empress(dev, core, g_chip_ident, chip);
-	if (chip->match.type == V4L2_CHIP_MATCH_I2C_ADDR &&
-	    chip->match.addr == 0x20)
+	if (chip->match.type == V4L2_CHIP_MATCH_I2C_ADDR)
 		return saa_call_empress(dev, core, g_chip_ident, chip);
 	return -EINVAL;
 }
diff --git a/linux/drivers/media/video/saa7134/saa7134.h b/linux/drivers/media/video/saa7134/saa7134.h
index d2b29ed9e..2e9c7ed3d 100644
--- a/linux/drivers/media/video/saa7134/saa7134.h
+++ b/linux/drivers/media/video/saa7134/saa7134.h
@@ -333,6 +333,7 @@ struct saa7134_board {
 	unsigned int		radio_type;
 	unsigned char		tuner_addr;
 	unsigned char		radio_addr;
+	unsigned char		empress_addr;
 
 	unsigned int            tda9887_conf;
 	unsigned int            tuner_config;