Documentation/ABI/testing/sysfs-bus-iio-health-afe440x

   1 What:           /sys/bus/iio/devices/iio:deviceX/tia_resistanceY
   2                 /sys/bus/iio/devices/iio:deviceX/tia_capacitanceY
   3 Date:           December 2015
   4 KernelVersion:
   5 Contact:        Andrew F. Davis <afd@ti.com>
   6 Description:
   7                 Get and set the resistance and the capacitance settings for the
   8                 Transimpedance Amplifier. Y is 1 for Rf1 and Cf1, Y is 2 for
   9                 Rf2 and Cf2 values.
  10
  11 What:           /sys/bus/iio/devices/iio:deviceX/tia_separate_en
  12 Date:           December 2015
  13 KernelVersion:
  14 Contact:        Andrew F. Davis <afd@ti.com>
  15 Description:
  16                 Enable or disable separate settings for the TransImpedance
  17                 Amplifier above, when disabled both values are set by the
  18                 first channel.
  19
  20 What:           /sys/bus/iio/devices/iio:deviceX/in_intensity_ledY_raw
  21                 /sys/bus/iio/devices/iio:deviceX/in_intensity_ledY_ambient_raw
  22 Date:           December 2015
  23 KernelVersion:
  24 Contact:        Andrew F. Davis <afd@ti.com>
  25 Description:
  26                 Get measured values from the ADC for these stages. Y is the
  27                 specific LED number. The values are expressed in 24-bit twos
  28                 complement.
  29
  30 What:           /sys/bus/iio/devices/iio:deviceX/in_intensity_ledY-ledY_ambient_raw
  31 Date:           December 2015
  32 KernelVersion:
  33 Contact:        Andrew F. Davis <afd@ti.com>
  34 Description:
  35                 Get differential values from the ADC for these stages. Y is the
  36                 specific LED number. The values are expressed in 24-bit twos
  37                 complement for the specified LEDs.
  38
  39 What:           /sys/bus/iio/devices/iio:deviceX/out_current_ledY_offset
  40                 /sys/bus/iio/devices/iio:deviceX/out_current_ledY_ambient_offset
  41 Date:           December 2015
  42 KernelVersion:
  43 Contact:        Andrew F. Davis <afd@ti.com>
  44 Description:
  45                 Get and set the offset cancellation DAC setting for these
  46                 stages. The values are expressed in 5-bit sign-magnitude.
  47
  48 What:           /sys/bus/iio/devices/iio:deviceX/out_current_ledY_raw
  49 Date:           December 2015
  50 KernelVersion:
  51 Contact:        Andrew F. Davis <afd@ti.com>
  52 Description:
  53                 Get and set the LED current for the specified LED. Y is the
  54                 specific LED number.