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| author | Paul Mundt <lethal@linux-sh.org> | 2009-12-10 15:40:31 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-12-10 15:40:31 +0900 |
| commit | b5c00a3a412857d6f07970984068c450429e051c (patch) | |
| tree | 1fde50630cbc24e11a45169f717f281db8eb6dcc /drivers/hwmon/tmp401.c | |
| parent | ca6f2d7fafd2d48b2f6943f5c6787beaec2014d0 (diff) | |
| parent | 3067e02f8f3ae2f3f02ba76400d03b8bcb4942b0 (diff) | |
| download | kernel-crypto-b5c00a3a412857d6f07970984068c450429e051c.tar.gz kernel-crypto-b5c00a3a412857d6f07970984068c450429e051c.tar.xz kernel-crypto-b5c00a3a412857d6f07970984068c450429e051c.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into sh/for-2.6.33
Diffstat (limited to 'drivers/hwmon/tmp401.c')
| -rw-r--r-- | drivers/hwmon/tmp401.c | 55 |
1 files changed, 26 insertions, 29 deletions
diff --git a/drivers/hwmon/tmp401.c b/drivers/hwmon/tmp401.c index 7b34f2cd08b..ee9673467c4 100644 --- a/drivers/hwmon/tmp401.c +++ b/drivers/hwmon/tmp401.c @@ -488,46 +488,43 @@ static void tmp401_init_client(struct i2c_client *client) i2c_smbus_write_byte_data(client, TMP401_CONFIG_WRITE, config); } -static int tmp401_detect(struct i2c_client *client, int kind, +static int tmp401_detect(struct i2c_client *client, int _kind, struct i2c_board_info *info) { + enum chips kind; struct i2c_adapter *adapter = client->adapter; + u8 reg; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; /* Detect and identify the chip */ - if (kind <= 0) { - u8 reg; - - reg = i2c_smbus_read_byte_data(client, - TMP401_MANUFACTURER_ID_REG); - if (reg != TMP401_MANUFACTURER_ID) - return -ENODEV; - - reg = i2c_smbus_read_byte_data(client, TMP401_DEVICE_ID_REG); - - switch (reg) { - case TMP401_DEVICE_ID: - kind = tmp401; - break; - case TMP411_DEVICE_ID: - kind = tmp411; - break; - default: - return -ENODEV; - } + reg = i2c_smbus_read_byte_data(client, TMP401_MANUFACTURER_ID_REG); + if (reg != TMP401_MANUFACTURER_ID) + return -ENODEV; - reg = i2c_smbus_read_byte_data(client, TMP401_CONFIG_READ); - if (reg & 0x1b) - return -ENODEV; + reg = i2c_smbus_read_byte_data(client, TMP401_DEVICE_ID_REG); - reg = i2c_smbus_read_byte_data(client, - TMP401_CONVERSION_RATE_READ); - /* Datasheet says: 0x1-0x6 */ - if (reg > 15) - return -ENODEV; + switch (reg) { + case TMP401_DEVICE_ID: + kind = tmp401; + break; + case TMP411_DEVICE_ID: + kind = tmp411; + break; + default: + return -ENODEV; } + + reg = i2c_smbus_read_byte_data(client, TMP401_CONFIG_READ); + if (reg & 0x1b) + return -ENODEV; + + reg = i2c_smbus_read_byte_data(client, TMP401_CONVERSION_RATE_READ); + /* Datasheet says: 0x1-0x6 */ + if (reg > 15) + return -ENODEV; + strlcpy(info->type, tmp401_id[kind - 1].name, I2C_NAME_SIZE); return 0; |