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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-09 19:53:11 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-09 19:53:11 -0800 |
| commit | f71eaf68406cfee91b6a96bcdf7ce33dc78829c5 (patch) | |
| tree | 92a1663ae15d521f25849d28ebb4dfad10567892 /drivers/hwmon/tmp401.c | |
| parent | 78f1ae193d1662c22cfebb916e788e1ca896c0fe (diff) | |
| parent | 54fe4671aa5853ca88da72d67e969a3d8de6dcf6 (diff) | |
| download | kernel_samsung_tuna-f71eaf68406cfee91b6a96bcdf7ce33dc78829c5.zip kernel_samsung_tuna-f71eaf68406cfee91b6a96bcdf7ce33dc78829c5.tar.gz kernel_samsung_tuna-f71eaf68406cfee91b6a96bcdf7ce33dc78829c5.tar.bz2 | |
Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: (41 commits)
hwmon: (adt7475) Add VID support for the ADT7476
hwmon: (adt7475) Add an entry in MAINTAINERS
hwmon: (adt7475) Add support for the ADT7476
hwmon: (adt7475) Voltage attenuators can be bypassed
hwmon: (adt7475) Print device information on probe
hwmon: (adt7475) Handle alternative pin functions
hwmon: (adt7475) Move sysfs files removal to a separate function
hwmon: (adt7475) Add support for the ADT7490
hwmon: (adt7475) Improve device detection
hwmon: (adt7475) Add missing static marker
hwmon: (adt7475) Rework voltage inputs handling
hwmon: (adt7475) Implement pwm_use_point2_pwm_at_crit
hwmon: (adt7475) New documentation
hwmon: (adt7475) Add support for the ADT7473
hwmon: (f71882fg) Add support for the f71889fg (version 2)
hwmon: (f71882fg) Fix sysfs file removal
hwmon: (f71882fg) Cleanup sysfs attr creation 2/2
hwmon: (f71882fg) Cleanup sysfs attr creation 1/2
hwmon: (thmc50) Stop using I2C_CLIENT_MODULE_PARM
hwmon: Add Freescale MC13783 ADC driver
...
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 7b34f2c..ee96734 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; |