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What:		/sys/bus/platform/devices/tahvo-usb/otg_mode
Date:		December 2013
Contact:	Aaro Koskinen <aaro.koskinen@iki.fi>
Description:
		Set or read the current OTG mode. Valid values are "host" and
		"peripheral".

		Reading: returns the current mode.

What:		/sys/bus/platform/devices/tahvo-usb/vbus
Date:		December 2013
Contact:	Aaro Koskinen <aaro.koskinen@iki.fi>
Description:
		Read the current VBUS state.

		Reading: returns "on" or "off".
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