What:		/sys/class/devfreq-event/event(x)/
Date:		January 2017
Contact:	Chanwoo Choi <cw00.choi@samsung.com>
Description:
		Provide a place in sysfs for the devfreq-event objects.
		This allows accessing various devfreq-event specific variables.
		The name of devfreq-event object denoted as 'event(x)' which
		includes the unique number of 'x' for each devfreq-event object.

What:		/sys/class/devfreq-event/event(x)/name
Date:		January 2017
Contact:	Chanwoo Choi <cw00.choi@samsung.com>
Description:
		The /sys/class/devfreq-event/event(x)/name attribute contains
		the name of the devfreq-event object. This attribute is
		read-only.

What:		/sys/class/devfreq-event/event(x)/enable_count
Date:		January 2017
Contact:	Chanwoo Choi <cw00.choi@samsung.com>
Description:
		The /sys/class/devfreq-event/event(x)/enable_count attribute
		contains the reference count to enable the devfreq-event
		object. If the device is enabled, the value of attribute is
		greater than zero.