diff options
Diffstat (limited to 'drivers/hwmon/adt7475.c')
| -rw-r--r-- | drivers/hwmon/adt7475.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/hwmon/adt7475.c b/drivers/hwmon/adt7475.c index d20130723d6..688b0a1af5a 100644 --- a/drivers/hwmon/adt7475.c +++ b/drivers/hwmon/adt7475.c @@ -40,6 +40,8 @@ /* 7475 Common Registers */ +#define REG_DEVREV2 0x12 /* ADT7490 only */ + #define REG_VTT 0x1E /* ADT7490 only */ #define REG_EXTEND3 0x1F /* ADT7490 only */ @@ -1149,6 +1151,12 @@ static void adt7475_remove_files(struct i2c_client *client, static int adt7475_probe(struct i2c_client *client, const struct i2c_device_id *id) { + static const char *names[] = { + [adt7473] = "ADT7473", + [adt7475] = "ADT7475", + [adt7490] = "ADT7490", + }; + struct adt7475_data *data; int i, ret = 0, revision; u8 config3; @@ -1165,6 +1173,8 @@ static int adt7475_probe(struct i2c_client *client, case adt7490: data->has_voltage = 0x3e; /* in1 to in5 */ revision = adt7475_read(REG_DEVID2) & 0x03; + if (revision == 0x03) + revision += adt7475_read(REG_DEVREV2); break; default: data->has_voltage = 0x06; /* in1, in2 */ @@ -1234,6 +1244,14 @@ static int adt7475_probe(struct i2c_client *client, goto eremove; } + dev_info(&client->dev, "%s device, revision %d\n", + names[id->driver_data], revision); + if ((data->has_voltage & (1 << 0)) || data->has_fan4 || data->has_pwm2) + dev_info(&client->dev, "Optional features:%s%s%s\n", + (data->has_voltage & (1 << 0)) ? " in0" : "", + data->has_fan4 ? " fan4" : "", + data->has_pwm2 ? " pwm2" : ""); + return 0; eremove: |