diff options
| -rw-r--r-- | drivers/hwmon/Kconfig | 4 | ||||
| -rw-r--r-- | drivers/hwmon/emc1403.c | 16 |
2 files changed, 14 insertions, 6 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index bdc13d28b1ea..35f00dae3676 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -809,10 +809,10 @@ config SENSORS_DME1737 will be called dme1737. config SENSORS_EMC1403 - tristate "SMSC EMC1403 thermal sensor" + tristate "SMSC EMC1403/23 thermal sensor" depends on I2C help - If you say yes here you get support for the SMSC EMC1403 + If you say yes here you get support for the SMSC EMC1403/23 temperature monitoring chip. Threshold values can be configured using sysfs. diff --git a/drivers/hwmon/emc1403.c b/drivers/hwmon/emc1403.c index 8dee3f38fdfb..5dea9faa1656 100644 --- a/drivers/hwmon/emc1403.c +++ b/drivers/hwmon/emc1403.c @@ -269,23 +269,30 @@ static int emc1403_detect(struct i2c_client *client, struct i2c_board_info *info) { int id; - /* Check if thermal chip is SMSC and EMC1403 */ + /* Check if thermal chip is SMSC and EMC1403 or EMC1423 */ id = i2c_smbus_read_byte_data(client, THERMAL_SMSC_ID_REG); if (id != 0x5d) return -ENODEV; + id = i2c_smbus_read_byte_data(client, THERMAL_PID_REG); + switch (id) { + case 0x21: + strlcpy(info->type, "emc1403", I2C_NAME_SIZE); + break; + case 0x23: + strlcpy(info->type, "emc1423", I2C_NAME_SIZE); + break; /* Note: 0x25 is the 1404 which is very similar and this driver could be extended */ - id = i2c_smbus_read_byte_data(client, THERMAL_PID_REG); - if (id != 0x21) + default: return -ENODEV; + } id = i2c_smbus_read_byte_data(client, THERMAL_REVISION_REG); if (id != 0x01) return -ENODEV; - strlcpy(info->type, "emc1403", I2C_NAME_SIZE); return 0; } @@ -342,6 +349,7 @@ static const unsigned short emc1403_address_list[] = { static const struct i2c_device_id emc1403_idtable[] = { { "emc1403", 0 }, + { "emc1423", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, emc1403_idtable); |