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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-09 19:53:11 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-09 19:53:11 -0800
commitf71eaf68406cfee91b6a96bcdf7ce33dc78829c5 (patch)
tree92a1663ae15d521f25849d28ebb4dfad10567892 /drivers/hwmon/tmp401.c
parent78f1ae193d1662c22cfebb916e788e1ca896c0fe (diff)
parent54fe4671aa5853ca88da72d67e969a3d8de6dcf6 (diff)
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.c55
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;