#unconditional
#sorted sort -k2,2
V4L2_CTRL_CLASS_USER
V4L2_CTRL_CLASS_CODEC
V4L2_CTRL_CLASS_CAMERA
V4L2_CTRL_CLASS_FM_TX
V4L2_CTRL_CLASS_FLASH
V4L2_CTRL_CLASS_JPEG
V4L2_CTRL_CLASS_IMAGE_SOURCE
V4L2_CTRL_CLASS_IMAGE_PROC
V4L2_CTRL_CLASS_DV
V4L2_CTRL_CLASS_FM_RX
V4L2_CTRL_CLASS_RF_TUNER
V4L2_CTRL_CLASS_DETECT
V4L2_CTRL_CLASS_CODEC_STATELESS
V4L2_CTRL_CLASS_COLORIMETRY