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- What: /sys/class/power_supply/twl4030_ac/max_current
- /sys/class/power_supply/twl4030_usb/max_current
- Description:
- Read/Write limit on current which may
- be drawn from the ac (Accessory Charger) or
- USB port.
- Value is in micro-Amps.
- Value is set automatically to an appropriate
- value when a cable is plugged or unplugged.
- Value can the set by writing to the attribute.
- The change will only persist until the next
- plug event. These event are reported via udev.
- What: /sys/class/power_supply/twl4030_usb/mode
- Description:
- Changing mode for USB port.
- Writing to this can disable charging.
- Possible values are:
- "auto" - draw power as appropriate for detected
- power source and battery status.
- "off" - do not draw any power.
- "continuous"
- - activate mode described as "linear" in
- TWL data sheets. This uses whatever
- current is available and doesn't switch off
- when voltage drops.
- This is useful for unstable power sources
- such as bicycle dynamo, but care should
- be taken that battery is not over-charged.
- What: /sys/class/power_supply/twl4030_ac/mode
- Description:
- Changing mode for 'ac' port.
- Writing to this can disable charging.
- Possible values are:
- "auto" - draw power as appropriate for detected
- power source and battery status.
- "off" - do not draw any power.
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