| 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. |
