V4L2_CID_ZOOM_RELATIVE 977 drivers/media/v4l2-core/v4l2-ctrls.c case V4L2_CID_ZOOM_RELATIVE: return "Zoom, Relative"; V4L2_CID_ZOOM_RELATIVE 1426 drivers/media/v4l2-core/v4l2-ctrls.c case V4L2_CID_ZOOM_RELATIVE: