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kernel/linux-rt-4.4.41/Documentation/ABI/testing/sysfs-bus-iio-health-afe440x 1.84 KB
5113f6f70   김현기   kernel add
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  What:		/sys/bus/iio/devices/iio:deviceX/tia_resistanceY
  		/sys/bus/iio/devices/iio:deviceX/tia_capacitanceY
  Date:		December 2015
  KernelVersion:
  Contact:	Andrew F. Davis <afd@ti.com>
  Description:
  		Get and set the resistance and the capacitance settings for the
  		Transimpedance Amplifier. Y is 1 for Rf1 and Cf1, Y is 2 for
  		Rf2 and Cf2 values.
  
  What:		/sys/bus/iio/devices/iio:deviceX/tia_separate_en
  Date:		December 2015
  KernelVersion:
  Contact:	Andrew F. Davis <afd@ti.com>
  Description:
  		Enable or disable separate settings for the TransImpedance
  		Amplifier above, when disabled both values are set by the
  		first channel.
  
  What:		/sys/bus/iio/devices/iio:deviceX/in_intensity_ledY_raw
  		/sys/bus/iio/devices/iio:deviceX/in_intensity_ledY_ambient_raw
  Date:		December 2015
  KernelVersion:
  Contact:	Andrew F. Davis <afd@ti.com>
  Description:
  		Get measured values from the ADC for these stages. Y is the
  		specific LED number. The values are expressed in 24-bit twos
  		complement.
  
  What:		/sys/bus/iio/devices/iio:deviceX/in_intensity_ledY-ledY_ambient_raw
  Date:		December 2015
  KernelVersion:
  Contact:	Andrew F. Davis <afd@ti.com>
  Description:
  		Get differential values from the ADC for these stages. Y is the
  		specific LED number. The values are expressed in 24-bit twos
  		complement for the specified LEDs.
  
  What:		/sys/bus/iio/devices/iio:deviceX/out_current_ledY_offset
  		/sys/bus/iio/devices/iio:deviceX/out_current_ledY_ambient_offset
  Date:		December 2015
  KernelVersion:
  Contact:	Andrew F. Davis <afd@ti.com>
  Description:
  		Get and set the offset cancellation DAC setting for these
  		stages. The values are expressed in 5-bit sign-magnitude.
  
  What:		/sys/bus/iio/devices/iio:deviceX/out_current_ledY_raw
  Date:		December 2015
  KernelVersion:
  Contact:	Andrew F. Davis <afd@ti.com>
  Description:
  		Get and set the LED current for the specified LED. Y is the
  		specific LED number.