What:		/config/usb-gadget/gadget/functions/gud.name
Date:		Dec 2020
KernelVersion:	5.10
Description:
		The attributes:

		drm_dev - DRM device number
		backlight_dev - Backlight device name (optional)
				The backlight brightness scale should be
				perceptual not linear.
		compression - 8-bit mask of compressions to include.
		formats - Byte string of GUD_PIXEL_FORMAT_* values to include.
		connectors - 32-bit mask of connectors to include.
