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-rw-r--r--drivers/hwmon/adt7475.c18
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: