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hwmon: (adt7475) Print device information on probe 

Print the device name and revision at probe time, as well as a list of
all optional features which are available.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>
This commit is contained in:
Jean Delvare 2009-12-09 20:36:07 +01:00
parent 378933c994
commit d07ca4ad2f
1 changed files with 18 additions and 0 deletions
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18
drivers/hwmon/adt7475.c
View File

@ -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: