Commit b180d050 authored by Jean Delvare's avatar Jean Delvare
Browse files

hwmon: (adt7475) Add support for the ADT7473

Add support for the ADT7473 to the adt7475 driver, and mark the
adt7473 driver for removal. The ADT7473 and ADT7475 chips are almost
the same chip and essentially compatible, so there's no point in
having separate drivers for them.
Signed-off-by: default avatarJean Delvare <>
Cc: "Mark M. Hoffman" <>
Cc: Hans de Goede <>
Cc: Jordan Crouse <>
Cc: "Darrick J. Wong" <>
parent 7669896f
......@@ -483,3 +483,10 @@ Why: With the recent innovations in CPU hardware acceleration technologies
Who: Alok N Kataria <>
What: adt7473 hardware monitoring driver
When: February 2010
Why: Obsoleted by the adt7475 driver.
Who: Jean Delvare <>
......@@ -9,6 +9,8 @@ Supported chips:
Author: Darrick J. Wong
This driver is depreacted, please use the adt7475 driver instead.
......@@ -191,21 +191,25 @@ config SENSORS_ADT7470
will be called adt7470.
config SENSORS_ADT7473
tristate "Analog Devices ADT7473"
tristate "Analog Devices ADT7473 (DEPRECATED)"
depends on I2C && EXPERIMENTAL
select SENSORS_ADT7475
If you say yes here you get support for the Analog Devices
ADT7473 temperature monitoring chips.
This driver is deprecated, you should use the adt7475 driver
This driver can also be built as a module. If so, the module
will be called adt7473.
config SENSORS_ADT7475
tristate "Analog Devices ADT7475"
tristate "Analog Devices ADT7473 and ADT7475"
depends on I2C && EXPERIMENTAL
If you say yes here you get support for the Analog Devices
ADT7475 hardware monitoring chips.
ADT7473 and ADT7475 hardware monitoring chips.
This driver can also be build as a module. If so, the module
will be called adt7475.
......@@ -174,7 +174,6 @@ static const struct i2c_device_id adt7473_id[] = {
{ "adt7473", adt7473 },
{ }
MODULE_DEVICE_TABLE(i2c, adt7473_id);
static struct i2c_driver adt7473_driver = {
.class = I2C_CLASS_HWMON,
......@@ -1166,6 +1165,8 @@ static int adt7473_remove(struct i2c_client *client)
static int __init adt7473_init(void)
pr_notice("The adt7473 driver is deprecated, please use the adt7475 "
"driver instead\n");
return i2c_add_driver(&adt7473_driver);
......@@ -113,11 +113,12 @@
static unsigned short normal_i2c[] = { 0x2e, I2C_CLIENT_END };
static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
I2C_CLIENT_INSMOD_2(adt7473, adt7475);
static const struct i2c_device_id adt7475_id[] = {
{ "adt7473", adt7473 },
{ "adt7475", adt7475 },
{ }
......@@ -970,19 +971,27 @@ static int adt7475_detect(struct i2c_client *client, int kind,
struct i2c_board_info *info)
struct i2c_adapter *adapter = client->adapter;
int vendid, devid;
const char *name;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return -ENODEV;
if (adt7475_read(REG_VENDID) != 0x41 ||
adt7475_read(REG_DEVID) != 0x75) {
"Couldn't detect a adt7475 part at 0x%02x\n",
(unsigned int)client->addr);
vendid = adt7475_read(REG_VENDID);
devid = adt7475_read(REG_DEVID);
if (vendid == 0x41 && devid == 0x73)
name = "adt7473";
else if (vendid == 0x41 && devid == 0x75 && client->addr == 0x2e)
name = "adt7475";
else {
"Couldn't detect an ADT7473 or ADT7475 part at "
"0x%02x\n", (unsigned int)client->addr);
return -ENODEV;
strlcpy(info->type, adt7475_id[0].name, I2C_NAME_SIZE);
strlcpy(info->type, name, I2C_NAME_SIZE);
return 0;
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