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TOMOYO Linux Cross Reference
Linux/Documentation/ABI/testing/sysfs-class-power-ltc4162l

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  1 What:           /sys/class/power_supply/ltc4162-l/charge_status
  2 Date:           Januari 2021
  3 KernelVersion:  5.11
  4 Description:
  5                 Detailed charge status information as reported by the chip.
  6 
  7                 Access: Read
  8 
  9                 Valid values:
 10                         ilim_reg_active
 11                         thermal_reg_active
 12                         vin_uvcl_active
 13                         iin_limit_active
 14                         constant_current
 15                         constant_voltage
 16                         charger_off
 17 
 18 What:           /sys/class/power_supply/ltc4162-l/ibat
 19 Date:           Januari 2021
 20 KernelVersion:  5.11
 21 Description:
 22                 Battery input current as measured by the charger. Negative value
 23                 means that the battery is discharging.
 24 
 25                 Access: Read
 26 
 27                 Valid values: Signed value in microamps
 28 
 29 What:           /sys/class/power_supply/ltc4162-l/vbat
 30 Date:           Januari 2021
 31 KernelVersion:  5.11
 32 Description:
 33                 Battery voltage as measured by the charger.
 34 
 35                 Access: Read
 36 
 37                 Valid values: In microvolts
 38 
 39 What:           /sys/class/power_supply/ltc4162-l/vbat_avg
 40 Date:           Januari 2021
 41 KernelVersion:  5.11
 42 Description:
 43                 Battery voltage, averaged over time, as measured by the charger.
 44 
 45                 Access: Read
 46 
 47                 Valid values: In microvolts
 48 
 49 What:           /sys/class/power_supply/ltc4162-l/force_telemetry
 50 Date:           Januari 2021
 51 KernelVersion:  5.11
 52 Description:
 53                 To save battery current, the measurement system is disabled if
 54                 the battery is the only source of power. This affects all
 55                 voltage, current and temperature measurements.
 56                 Write a "1" to this to keep performing telemetry once every few
 57                 seconds, even when running on battery (as reported by the online
 58                 property, which is "1" when external power is available and "0"
 59                 when the system runs on battery).
 60 
 61                 Access: Read, Write
 62 
 63                 Valid values: 0 (disabled) or 1 (enabled)
 64 
 65 What:           /sys/class/power_supply/ltc4162-l/arm_ship_mode
 66 Date:           Januari 2021
 67 KernelVersion:  5.11
 68 Description:
 69                 The charger will normally drain the battery while inactive,
 70                 typically drawing about 54 microamps. Write a "1" to this
 71                 property to arm a special "ship" mode that extends shelf life
 72                 by reducing the leakage to about 2.8 microamps. The chip will
 73                 remain in this mode (and no longer respond to I2C commands)
 74                 until some external power-supply is attached raising the input
 75                 voltage above 1V. It will then automatically revert to "0".
 76                 Writing a "0" to the property cancels the "ship" mode request.
 77                 The ship mode, when armed, activates once the input voltage
 78                 drops below 1V.
 79 
 80                 Access: Read, Write
 81 
 82                 Valid values: 0 (disable) or 1 (enable)

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