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Commit d07ca4ad authored by Jean Delvare's avatar Jean Delvare
Browse files

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: default avatarJean 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>
parent 378933c9

drivers/hwmon/adt7475.c

+18 −0
Original line number Diff line number Diff line
@@ -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: