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Bug fixes for sht15 and ltc2978 driver plus some documentation updates

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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon patches from Guenter Roeck:
 "Bug fixes for sht15 and ltc2978 driver plus some documentation
  updates"

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (sht15) Check return value of regulator_enable()
  hwmon: (adt7410) Document ADT7420 support
  hwmon: (pmbus/ltc2978) Use detected chip ID to select supported functionality
  hwmon: (pmbus/ltc2978) Fix peak attribute handling
  hwmon: (pmbus/ltc2978) Update datasheet links
  hwmon: Update my e-mail address in driver documentation
This commit is contained in:
Linus Torvalds 2013-03-07 12:46:25 -08:00
commit cd66acb412
18 changed files with 50 additions and 33 deletions
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2
Documentation/hwmon/adm1275
View file

@ -15,7 +15,7 @@ Supported chips:
Addresses scanned: -
Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1276.pdf
Author: Guenter Roeck <guenter.roeck@ericsson.com>
Author: Guenter Roeck <linux@roeck-us.net>
Description

11
Documentation/hwmon/adt7410
View file

@ -4,9 +4,14 @@ Kernel driver adt7410
Supported chips:
* Analog Devices ADT7410
Prefix: 'adt7410'
Addresses scanned: I2C 0x48 - 0x4B
Addresses scanned: None
Datasheet: Publicly available at the Analog Devices website
http://www.analog.com/static/imported-files/data_sheets/ADT7410.pdf
* Analog Devices ADT7420
Prefix: 'adt7420'
Addresses scanned: None
Datasheet: Publicly available at the Analog Devices website
http://www.analog.com/static/imported-files/data_sheets/ADT7420.pdf
Author: Hartmut Knaack <knaack.h@gmx.de>
@ -27,6 +32,10 @@ value per second or even justget one sample on demand for power saving.
Besides, it can completely power down its ADC, if power management is
required.
The ADT7420 is register compatible, the only differences being the package,
a slightly narrower operating temperature range (-40°C to +150°C), and a
better accuracy (0.25°C instead of 0.50°C.)
Configuration Notes
-------------------

2
Documentation/hwmon/jc42
View file

@ -49,7 +49,7 @@ Supported chips:
Addresses scanned: I2C 0x18 - 0x1f
Author:
Guenter Roeck <guenter.roeck@ericsson.com>
Guenter Roeck <linux@roeck-us.net>
Description

2
Documentation/hwmon/lineage-pem
View file

@ -8,7 +8,7 @@ Supported devices:
Documentation:
http://www.lineagepower.com/oem/pdf/CPLI2C.pdf
Author: Guenter Roeck <guenter.roeck@ericsson.com>
Author: Guenter Roeck <linux@roeck-us.net>
Description

2
Documentation/hwmon/lm25066
View file

@ -19,7 +19,7 @@ Supported chips:
Datasheet:
http://www.national.com/pf/LM/LM5066.html
Author: Guenter Roeck <guenter.roeck@ericsson.com>
Author: Guenter Roeck <linux@roeck-us.net>
Description

6
Documentation/hwmon/ltc2978
View file

@ -5,13 +5,13 @@ Supported chips:
* Linear Technology LTC2978
Prefix: 'ltc2978'
Addresses scanned: -
Datasheet: http://cds.linear.com/docs/Datasheet/2978fa.pdf
Datasheet: http://www.linear.com/product/ltc2978
* Linear Technology LTC3880
Prefix: 'ltc3880'
Addresses scanned: -
Datasheet: http://cds.linear.com/docs/Datasheet/3880f.pdf
Datasheet: http://www.linear.com/product/ltc3880
Author: Guenter Roeck <guenter.roeck@ericsson.com>
Author: Guenter Roeck <linux@roeck-us.net>
Description

2
Documentation/hwmon/ltc4261
View file

@ -8,7 +8,7 @@ Supported chips:
Datasheet:
http://cds.linear.com/docs/Datasheet/42612fb.pdf
Author: Guenter Roeck <guenter.roeck@ericsson.com>
Author: Guenter Roeck <linux@roeck-us.net>
Description

2
Documentation/hwmon/max16064
View file

@ -7,7 +7,7 @@ Supported chips:
Addresses scanned: -
Datasheet: http://datasheets.maxim-ic.com/en/ds/MAX16064.pdf
Author: Guenter Roeck <guenter.roeck@ericsson.com>
Author: Guenter Roeck <linux@roeck-us.net>
Description

2
Documentation/hwmon/max16065
View file

@ -24,7 +24,7 @@ Supported chips:
http://datasheets.maxim-ic.com/en/ds/MAX16070-MAX16071.pdf
Author: Guenter Roeck <guenter.roeck@ericsson.com>
Author: Guenter Roeck <linux@roeck-us.net>
Description

2
Documentation/hwmon/max34440
View file

@ -27,7 +27,7 @@ Supported chips:
Addresses scanned: -
Datasheet: http://datasheets.maximintegrated.com/en/ds/MAX34461.pdf
Author: Guenter Roeck <guenter.roeck@ericsson.com>
Author: Guenter Roeck <linux@roeck-us.net>
Description

2
Documentation/hwmon/max8688
View file

@ -7,7 +7,7 @@ Supported chips:
Addresses scanned: -
Datasheet: http://datasheets.maxim-ic.com/en/ds/MAX8688.pdf
Author: Guenter Roeck <guenter.roeck@ericsson.com>
Author: Guenter Roeck <linux@roeck-us.net>
Description

2
Documentation/hwmon/pmbus
View file

@ -34,7 +34,7 @@ Supported chips:
Addresses scanned: -
Datasheet: n.a.
Author: Guenter Roeck <guenter.roeck@ericsson.com>
Author: Guenter Roeck <linux@roeck-us.net>
Description

2
Documentation/hwmon/smm665
View file

@ -29,7 +29,7 @@ Supported chips:
http://www.summitmicro.com/prod_select/summary/SMM766/SMM766_2086.pdf
http://www.summitmicro.com/prod_select/summary/SMM766B/SMM766B_2122.pdf
Author: Guenter Roeck <guenter.roeck@ericsson.com>
Author: Guenter Roeck <linux@roeck-us.net>
Module Parameters

2
Documentation/hwmon/ucd9000
View file

@ -11,7 +11,7 @@ Supported chips:
http://focus.ti.com/lit/ds/symlink/ucd9090.pdf
http://focus.ti.com/lit/ds/symlink/ucd90910.pdf
Author: Guenter Roeck <guenter.roeck@ericsson.com>
Author: Guenter Roeck <linux@roeck-us.net>
Description

2
Documentation/hwmon/ucd9200
View file

@ -15,7 +15,7 @@ Supported chips:
http://focus.ti.com/lit/ds/symlink/ucd9246.pdf
http://focus.ti.com/lit/ds/symlink/ucd9248.pdf
Author: Guenter Roeck <guenter.roeck@ericsson.com>
Author: Guenter Roeck <linux@roeck-us.net>
Description

2
Documentation/hwmon/zl6100
View file

@ -54,7 +54,7 @@ http://archive.ericsson.net/service/internet/picov/get?DocNo=28701-EN/LZT146401
http://archive.ericsson.net/service/internet/picov/get?DocNo=28701-EN/LZT146256
Author: Guenter Roeck <guenter.roeck@ericsson.com>
Author: Guenter Roeck <linux@roeck-us.net>
Description

30
drivers/hwmon/pmbus/ltc2978.c
View file

@ -62,7 +62,7 @@ struct ltc2978_data {
int temp_min, temp_max;
int vout_min[8], vout_max[8];
int iout_max[2];
int temp2_max[2];
int temp2_max;
struct pmbus_driver_info info;
};
@ -204,10 +204,9 @@ static int ltc3880_read_word_data(struct i2c_client *client, int page, int reg)
ret = pmbus_read_word_data(client, page,
LTC3880_MFR_TEMPERATURE2_PEAK);
if (ret >= 0) {
if (lin11_to_val(ret)
> lin11_to_val(data->temp2_max[page]))
data->temp2_max[page] = ret;
ret = data->temp2_max[page];
if (lin11_to_val(ret) > lin11_to_val(data->temp2_max))
data->temp2_max = ret;
ret = data->temp2_max;
}
break;
case PMBUS_VIRT_READ_VIN_MIN:
@ -248,11 +247,11 @@ static int ltc2978_write_word_data(struct i2c_client *client, int page,
switch (reg) {
case PMBUS_VIRT_RESET_IOUT_HISTORY:
data->iout_max[page] = 0x7fff;
data->iout_max[page] = 0x7c00;
ret = ltc2978_clear_peaks(client, page, data->id);
break;
case PMBUS_VIRT_RESET_TEMP2_HISTORY:
data->temp2_max[page] = 0x7fff;
data->temp2_max = 0x7c00;
ret = ltc2978_clear_peaks(client, page, data->id);
break;
case PMBUS_VIRT_RESET_VOUT_HISTORY:
@ -262,12 +261,12 @@ static int ltc2978_write_word_data(struct i2c_client *client, int page,
break;
case PMBUS_VIRT_RESET_VIN_HISTORY:
data->vin_min = 0x7bff;
data->vin_max = 0;
data->vin_max = 0x7c00;
ret = ltc2978_clear_peaks(client, page, data->id);
break;
case PMBUS_VIRT_RESET_TEMP_HISTORY:
data->temp_min = 0x7bff;
data->temp_max = 0x7fff;
data->temp_max = 0x7c00;
ret = ltc2978_clear_peaks(client, page, data->id);
break;
default:
@ -321,12 +320,13 @@ static int ltc2978_probe(struct i2c_client *client,
info = &data->info;
info->write_word_data = ltc2978_write_word_data;
data->vout_min[0] = 0xffff;
data->vin_min = 0x7bff;
data->vin_max = 0x7c00;
data->temp_min = 0x7bff;
data->temp_max = 0x7fff;
data->temp_max = 0x7c00;
data->temp2_max = 0x7c00;
switch (id->driver_data) {
switch (data->id) {
case ltc2978:
info->read_word_data = ltc2978_read_word_data;
info->pages = 8;
@ -336,7 +336,6 @@ static int ltc2978_probe(struct i2c_client *client,
for (i = 1; i < 8; i++) {
info->func[i] = PMBUS_HAVE_VOUT
| PMBUS_HAVE_STATUS_VOUT;
data->vout_min[i] = 0xffff;
}
break;
case ltc3880:
@ -352,11 +351,14 @@ static int ltc2978_probe(struct i2c_client *client,
| PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT
| PMBUS_HAVE_POUT
| PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP;
data->vout_min[1] = 0xffff;
data->iout_max[0] = 0x7c00;
data->iout_max[1] = 0x7c00;
break;
default:
return -ENODEV;
}
for (i = 0; i < info->pages; i++)
data->vout_min[i] = 0xffff;
return pmbus_do_probe(client, id, info);
}

8
drivers/hwmon/sht15.c
View file

@ -965,7 +965,13 @@ static int sht15_probe(struct platform_device *pdev)
if (voltage)
data->supply_uv = voltage;
regulator_enable(data->reg);
ret = regulator_enable(data->reg);
if (ret != 0) {
dev_err(&pdev->dev,
"failed to enable regulator: %d\n", ret);
return ret;
}
/*
* Setup a notifier block to update this if another device
* causes the voltage to change