1 files changed, 12 insertions, 4 deletions

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);