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| author | Jean Delvare <khali@linux-fr.org> | 2009-12-09 20:36:07 +0100 |
|---|---|---|
| committer | Jean Delvare <khali@linux-fr.org> | 2009-12-09 20:36:07 +0100 |
| commit | d07ca4ad2f67ebb1bf48a2308a7a0cd81ef8f70a (patch) | |
| tree | beb16069a4596825534943bc524f873c8421a308 /drivers/hwmon/adt7475.c | |
| parent | 378933c99402f26587ad80e97bff405265116f9e (diff) | |
| download | lwn-d07ca4ad2f67ebb1bf48a2308a7a0cd81ef8f70a.tar.gz lwn-d07ca4ad2f67ebb1bf48a2308a7a0cd81ef8f70a.zip | |
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>
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 d20130723d68..688b0a1af5a8 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: |