What:		/sys/bus/hid/drivers/prodikeys/.../channel
Date:		April 2010
KernelVersion:	2.6.34
Contact:	Don Prince <dhprince.devel@yahoo.co.uk>
Description:
		Allows control (via software) the midi channel to which
		that the pc-midi keyboard will output.midi data.
		Range: 0..15
		Type:  Read/write
What:		/sys/bus/hid/drivers/prodikeys/.../sustain
Date:		April 2010
KernelVersion:	2.6.34
Contact:	Don Prince <dhprince.devel@yahoo.co.uk>
Description:
		Allows control (via software) the sustain duration of a
		note held by the pc-midi driver.
		0 means sustain mode is disabled.
		Range: 0..5000 (milliseconds)
		Type:  Read/write
What:		/sys/bus/hid/drivers/prodikeys/.../octave
Date:		April 2010
KernelVersion:	2.6.34
Contact:	Don Prince <dhprince.devel@yahoo.co.uk>
Description:
		Controls the octave shift modifier in the pc-midi driver.
		The octave can be shifted via software up/down 2 octaves.
		0 means the no ocatve shift.
		Range: -2..2 (minus 2 to plus 2)
		Type: Read/Write
