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path: root/drivers/hwmon/tmp401.c
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Diffstat (limited to 'drivers/hwmon/tmp401.c')
-rw-r--r--drivers/hwmon/tmp401.c42
1 files changed, 27 insertions, 15 deletions
diff --git a/drivers/hwmon/tmp401.c b/drivers/hwmon/tmp401.c
index 7fa6e7d0b9b6..99664ebc738d 100644
--- a/drivers/hwmon/tmp401.c
+++ b/drivers/hwmon/tmp401.c
@@ -44,9 +44,10 @@
#include <linux/sysfs.h>
/* Addresses to scan */
-static const unsigned short normal_i2c[] = { 0x4c, 0x4d, 0x4e, I2C_CLIENT_END };
+static const unsigned short normal_i2c[] = { 0x37, 0x48, 0x49, 0x4a, 0x4c, 0x4d,
+ 0x4e, 0x4f, I2C_CLIENT_END };
-enum chips { tmp401, tmp411, tmp431, tmp432 };
+enum chips { tmp401, tmp411, tmp431, tmp432, tmp435 };
/*
* The TMP401 registers, note some registers have different addresses for
@@ -136,6 +137,7 @@ static const u8 TMP432_STATUS_REG[] = {
#define TMP411C_DEVICE_ID 0x10
#define TMP431_DEVICE_ID 0x31
#define TMP432_DEVICE_ID 0x32
+#define TMP435_DEVICE_ID 0x35
/*
* Driver data (common to all clients)
@@ -146,6 +148,7 @@ static const struct i2c_device_id tmp401_id[] = {
{ "tmp411", tmp411 },
{ "tmp431", tmp431 },
{ "tmp432", tmp432 },
+ { "tmp435", tmp435 },
{ }
};
MODULE_DEVICE_TABLE(i2c, tmp401_id);
@@ -613,10 +616,10 @@ static const struct attribute_group tmp432_group = {
* Begin non sysfs callback code (aka Real code)
*/
-static void tmp401_init_client(struct tmp401_data *data,
- struct i2c_client *client)
+static int tmp401_init_client(struct tmp401_data *data,
+ struct i2c_client *client)
{
- int config, config_orig;
+ int config, config_orig, status = 0;
/* Set the conversion rate to 2 Hz */
i2c_smbus_write_byte_data(client, TMP401_CONVERSION_RATE_WRITE, 5);
@@ -624,16 +627,18 @@ static void tmp401_init_client(struct tmp401_data *data,
/* Start conversions (disable shutdown if necessary) */
config = i2c_smbus_read_byte_data(client, TMP401_CONFIG_READ);
- if (config < 0) {
- dev_warn(&client->dev, "Initialization failed!\n");
- return;
- }
+ if (config < 0)
+ return config;
config_orig = config;
config &= ~TMP401_CONFIG_SHUTDOWN;
if (config != config_orig)
- i2c_smbus_write_byte_data(client, TMP401_CONFIG_WRITE, config);
+ status = i2c_smbus_write_byte_data(client,
+ TMP401_CONFIG_WRITE,
+ config);
+
+ return status;
}
static int tmp401_detect(struct i2c_client *client,
@@ -675,15 +680,18 @@ static int tmp401_detect(struct i2c_client *client,
kind = tmp411;
break;
case TMP431_DEVICE_ID:
- if (client->addr == 0x4e)
+ if (client->addr != 0x4c && client->addr != 0x4d)
return -ENODEV;
kind = tmp431;
break;
case TMP432_DEVICE_ID:
- if (client->addr == 0x4e)
+ if (client->addr != 0x4c && client->addr != 0x4d)
return -ENODEV;
kind = tmp432;
break;
+ case TMP435_DEVICE_ID:
+ kind = tmp435;
+ break;
default:
return -ENODEV;
}
@@ -705,11 +713,13 @@ static int tmp401_detect(struct i2c_client *client,
static int tmp401_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
- const char *names[] = { "TMP401", "TMP411", "TMP431", "TMP432" };
+ static const char * const names[] = {
+ "TMP401", "TMP411", "TMP431", "TMP432", "TMP435"
+ };
struct device *dev = &client->dev;
struct device *hwmon_dev;
struct tmp401_data *data;
- int groups = 0;
+ int groups = 0, status;
data = devm_kzalloc(dev, sizeof(struct tmp401_data), GFP_KERNEL);
if (!data)
@@ -720,7 +730,9 @@ static int tmp401_probe(struct i2c_client *client,
data->kind = id->driver_data;
/* Initialize the TMP401 chip */
- tmp401_init_client(data, client);
+ status = tmp401_init_client(data, client);
+ if (status < 0)
+ return status;
/* Register sysfs hooks */
data->groups[groups++] = &tmp401_group;