What:		/sys/devices/.../physical_location
Date:		March 2022
Contact:	Won Chung <wonchung@google.com>
Description:
		This directory contains information on physical location of
		the device connection point with respect to the system's
		housing.

What:		/sys/devices/.../physical_location/panel
Date:		March 2022
Contact:	Won Chung <wonchung@google.com>
Description:
		Describes which panel surface of the system’s housing the
		device connection point resides on.

What:		/sys/devices/.../physical_location/vertical_position
Date:		March 2022
Contact:	Won Chung <wonchung@google.com>
Description:
		Describes vertical position of the device connection point on
		the panel surface.

What:		/sys/devices/.../physical_location/horizontal_position
Date:		March 2022
Contact:	Won Chung <wonchung@google.com>
Description:
		Describes horizontal position of the device connection point on
		the panel surface.

What:		/sys/devices/.../physical_location/dock
Date:		March 2022
Contact:	Won Chung <wonchung@google.com>
Description:
		"Yes" if the device connection point resides in a docking
		station or a port replicator. "No" otherwise.

What:		/sys/devices/.../physical_location/lid
Date:		March 2022
Contact:	Won Chung <wonchung@google.com>
Description:
		"Yes" if the device connection point resides on the lid of
		laptop system. "No" otherwise.
