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9 Commits

Author SHA1 Message Date
Constantine Shulyupin
1c6e8f6ba8 hwmon: (nct7802) Add auto_point attributes 
Introduced REG_PWM, pwm[1..3]_auto_point[1..5]_temp,
pwm[1..3]_auto_point[1..5]_pwm, nct7802_auto_point_attrs,
nct7802_auto_point_group, updated nct7802_regmap_is_volatile

Signed-off-by: Constantine Shulyupin <const@MakeLinux.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2015-08-09 13:44:27 -07:00
Constantine Shulyupin
5102f02268 hwmon: (nct7802) Add pwmX_enable attribute 
Introduced REG_SMARTFAN_EN, SMARTFAN_EN_SHIFT, pwmX_enable,
show_pwm_enable, store_pwm_enable.

Signed-off-by: Constantine Shulyupin <const@MakeLinux.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2015-08-09 13:44:26 -07:00
Constantine Shulyupin
876420e05a hwmon: (nct7802) Add pwm mode attributes 
Introduced: show_pwm_mode, pwm1_mode, pwm2_mode, pwm2_mode

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2015-08-09 13:44:25 -07:00
Constantine Shulyupin
ea33597c6f hwmon: (nct7802) Add pwm control 
Added fan output control registers.
Modes of operation are PWM (default) and DC.

Introduced show_pwm, store_pwm, nct7802_pwm_attrs, nct7802_pwm_group.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2015-08-09 13:44:25 -07:00
Constantine Shulyupin
fcdc5739dc hwmon: (nct7802) add temperature sensor type attribute 
Sensor type:
3 diode (current mode), MD=1
4 thermistor, MD=2

Reference:
Nuvoton Hardware Monitoring IC NCT7802Y
7.2.32 Mode Selection Register
Location : Index 22h

Signed-off-by: Constantine Shulyupin <const@MakeLinux.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2015-08-09 13:44:25 -07:00
Guenter Roeck
9200bc4c28 hwmon: (nct7802) Fix integer overflow seen when writing voltage limits 
Writing a large value into a voltage limit attribute can result
in an overflow due to an auto-conversion from unsigned long to
unsigned int.

Cc: Constantine Shulyupin <const@MakeLinux.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Cc: stable@vger.kernel.org # v4.1+
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2015-07-29 20:06:50 -07:00
Constantine Shulyupin
56172d81a9 hwmon: (nct7802) fix visibility of temp3 
Excerpt from datasheet:
7.2.32 Mode Selection Register
RTD3_MD : 00=Closed , 01=Reserved , 10=Thermistor mode , 11=Voltage sense

Show temp3 only in Thermistor mode

Cc: stable@vger.kernel.org # v3.19+
Signed-off-by: Constantine Shulyupin <const@MakeLinux.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2015-07-01 13:56:27 -07:00
Krzysztof Kozlowski
3c535bca9a hwmon: (nct7802) Constify struct regmap_config 
The regmap_config struct may be const because it is not modified by the
driver and regmap_init() accepts pointer to const.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2015-01-25 21:23:58 -08:00
Guenter Roeck
3434f37835 hwmon: Driver for Nuvoton NCT7802Y 
NCT7802Y is an I2C based hardware monitoring chip from Nuvoton.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2014-11-30 20:13:13 -08:00