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-Kernel driver max6639
-=====================
-
-Supported chips:
- * Maxim MAX6639
- Prefix: 'max6639'
- Addresses scanned: I2C 0x2c, 0x2e, 0x2f
- Datasheet: http://pdfserv.maxim-ic.com/en/ds/MAX6639.pdf
-
-Authors:
- He Changqing <hechangqing@semptian.com>
- Roland Stigge <stigge@antcom.de>
-
-Description
------------
-
-This driver implements support for the Maxim MAX6639. This chip is a 2-channel
-temperature monitor with dual PWM fan speed controller. It can monitor its own
-temperature and one external diode-connected transistor or two external
-diode-connected transistors.
-
-The following device attributes are implemented via sysfs:
-
-Attribute R/W Contents
-----------------------------------------------------------------------------
-temp1_input R Temperature channel 1 input (0..150 C)
-temp2_input R Temperature channel 2 input (0..150 C)
-temp1_fault R Temperature channel 1 diode fault
-temp2_fault R Temperature channel 2 diode fault
-temp1_max RW Set THERM temperature for input 1
- (in C, see datasheet)
-temp2_max RW Set THERM temperature for input 2
-temp1_crit RW Set ALERT temperature for input 1
-temp2_crit RW Set ALERT temperature for input 2
-temp1_emergency RW Set OT temperature for input 1
- (in C, see datasheet)
-temp2_emergency RW Set OT temperature for input 2
-pwm1 RW Fan 1 target duty cycle (0..255)
-pwm2 RW Fan 2 target duty cycle (0..255)
-fan1_input R TACH1 fan tachometer input (in RPM)
-fan2_input R TACH2 fan tachometer input (in RPM)
-fan1_fault R Fan 1 fault
-fan2_fault R Fan 2 fault
-temp1_max_alarm R Alarm on THERM temperature on channel 1
-temp2_max_alarm R Alarm on THERM temperature on channel 2
-temp1_crit_alarm R Alarm on ALERT temperature on channel 1
-temp2_crit_alarm R Alarm on ALERT temperature on channel 2
-temp1_emergency_alarm R Alarm on OT temperature on channel 1
-temp2_emergency_alarm R Alarm on OT temperature on channel 2