diff options
Diffstat (limited to 'drivers/hwmon/tmp421.c')
| -rw-r--r-- | drivers/hwmon/tmp421.c | 45 |
1 files changed, 21 insertions, 24 deletions
diff --git a/drivers/hwmon/tmp421.c b/drivers/hwmon/tmp421.c index 20924343431b..bb5464a289ca 100644 --- a/drivers/hwmon/tmp421.c +++ b/drivers/hwmon/tmp421.c @@ -223,39 +223,36 @@ static int tmp421_init_client(struct i2c_client *client) return 0; } -static int tmp421_detect(struct i2c_client *client, int kind, +static int tmp421_detect(struct i2c_client *client, int _kind, struct i2c_board_info *info) { + enum chips kind; struct i2c_adapter *adapter = client->adapter; const char *names[] = { "TMP421", "TMP422", "TMP423" }; + u8 reg; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - if (kind <= 0) { - u8 reg; - - reg = i2c_smbus_read_byte_data(client, - TMP421_MANUFACTURER_ID_REG); - if (reg != TMP421_MANUFACTURER_ID) - return -ENODEV; - - reg = i2c_smbus_read_byte_data(client, - TMP421_DEVICE_ID_REG); - switch (reg) { - case TMP421_DEVICE_ID: - kind = tmp421; - break; - case TMP422_DEVICE_ID: - kind = tmp422; - break; - case TMP423_DEVICE_ID: - kind = tmp423; - break; - default: - return -ENODEV; - } + reg = i2c_smbus_read_byte_data(client, TMP421_MANUFACTURER_ID_REG); + if (reg != TMP421_MANUFACTURER_ID) + return -ENODEV; + + reg = i2c_smbus_read_byte_data(client, TMP421_DEVICE_ID_REG); + switch (reg) { + case TMP421_DEVICE_ID: + kind = tmp421; + break; + case TMP422_DEVICE_ID: + kind = tmp422; + break; + case TMP423_DEVICE_ID: + kind = tmp423; + break; + default: + return -ENODEV; } + strlcpy(info->type, tmp421_id[kind - 1].name, I2C_NAME_SIZE); dev_info(&adapter->dev, "Detected TI %s chip at 0x%02x\n", names[kind - 1], client->addr); |