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1What: /sys/class/power_supply/twl4030_usb/mode2Description:3 Changing mode for USB port.4 Writing to this can disable charging.5 6 Possible values are:7 8 ============= ===========================================9 "auto" draw power as appropriate for detected10 power source and battery status.11 "off" do not draw any power.12 "continuous" activate mode described as "linear" in13 TWL data sheets. This uses whatever14 current is available and doesn't switch off15 when voltage drops.16 17 This is useful for unstable power sources18 such as bicycle dynamo, but care should19 be taken that battery is not over-charged.20 ============= ===========================================21 22What: /sys/class/power_supply/twl4030_ac/mode23Description:24 Changing mode for 'ac' port.25 Writing to this can disable charging.26 27 Possible values are:28 29 ====== ===========================================30 "auto" draw power as appropriate for detected31 power source and battery status.32 "off" do not draw any power.33 ====== ===========================================34