config USB_VIDEO_CLASS tristate "USB Video Class (UVC)" depends on VIDEO_V4L2 select VIDEOBUF2_VMALLOC ---help--- Support for the USB Video Class (UVC). Currently only video input devices, such as webcams, are supported. For more information see: config USB_VIDEO_CLASS_INPUT_EVDEV bool "UVC input events device support" default y depends on USB_VIDEO_CLASS depends on USB_VIDEO_CLASS=INPUT || INPUT=y ---help--- This option makes USB Video Class devices register an input device to report button events. If you are in doubt, say Y.