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What:		/sys/bus/greybus/device/.../product
Date:		December 2014
KernelVersion:	3.XX
Contact:	Greg Kroah-Hartman <greg@kroah.com>
Description:
		Product ID of a Greybus interface block.

What:		/sys/bus/greybus/device/.../product_string
Date:		December 2014
KernelVersion:	3.XX
Contact:	Greg Kroah-Hartman <greg@kroah.com>
Description:
		Product ID string of a Greybus interface block.

What:		/sys/bus/greybus/device/.../unique_id
Date:		December 2014
KernelVersion:	3.XX
Contact:	Greg Kroah-Hartman <greg@kroah.com>
Description:
		Unique ID of a Greybus interface block.

What:		/sys/bus/greybus/device/.../vendor
Date:		December 2014
KernelVersion:	3.XX
Contact:	Greg Kroah-Hartman <greg@kroah.com>
Description:
		Vendor ID of a Greybus interface block.

What:		/sys/bus/greybus/device/.../vendor_string
Date:		December 2014
KernelVersion:	3.XX
Contact:	Greg Kroah-Hartman <greg@kroah.com>
Description:
		Vendor ID string of a Greybus interface block.

What:		/sys/bus/greybus/device/.../state
Date:		December 2014
KernelVersion:	3.XX
Contact:	Greg Kroah-Hartman <greg@kroah.com>
Description:
		The current state of a Greybus connection.

		It will be one of the following values:
		0 - invalid
		1 - disabled
		2 - enabled
		3 - error
		4 - destroying

What:		/sys/bus/greybus/device/.../protocol_id
Date:		December 2014
KernelVersion:	3.XX
Contact:	Greg Kroah-Hartman <greg@kroah.com>
Description:
		The protocol id of a Greybus connection.

What:		/sys/bus/greybus/device/.../device_id
Date:		December 2014
KernelVersion:	3.XX
Contact:	Greg Kroah-Hartman <greg@kroah.com>
Description:
		The device id of a Greybus bundle.