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kernel/linux-rt-4.4.41/Documentation/hwmon/pwm-fan 597 Bytes
5113f6f70   김현기   kernel add
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  Kernel driver pwm-fan
  =====================
  
  This driver enables the use of a PWM module to drive a fan. It uses the
  generic PWM interface thus it is hardware independent. It can be used on
  many SoCs, as long as the SoC supplies a PWM line driver that exposes
  the generic PWM API.
  
  Author: Kamil Debski <k.debski@samsung.com>
  
  Description
  -----------
  
  The driver implements a simple interface for driving a fan connected to
  a PWM output. It uses the generic PWM interface, thus it can be used with
  a range of SoCs. The driver exposes the fan to the user space through
  the hwmon's sysfs interface.