diff options
Diffstat (limited to 'drivers/hwmon/tmp401.c')
| -rw-r--r-- | drivers/hwmon/tmp401.c | 42 |
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; |