v4l2_queryctrl 97 include/media/cx2341x.h struct v4l2_queryctrl *qctrl); v4l2_queryctrl 85 include/media/v4l2-common.h int v4l2_ctrl_check(struct v4l2_ext_control *ctrl, struct v4l2_queryctrl *qctrl, v4l2_queryctrl 90 include/media/v4l2-common.h int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 step, s32 def); v4l2_queryctrl 92 include/media/v4l2-common.h struct v4l2_queryctrl *qctrl, const char * const *menu_items); v4l2_queryctrl 784 include/media/v4l2-ctrls.h int v4l2_queryctrl(struct v4l2_ctrl_handler *hdl, struct v4l2_queryctrl *qc); v4l2_queryctrl 797 include/media/v4l2-ctrls.h int v4l2_subdev_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc); v4l2_queryctrl 160 include/media/v4l2-ioctl.h struct v4l2_queryctrl *a); v4l2_queryctrl 155 include/media/v4l2-subdev.h int (*queryctrl)(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc); v4l2_queryctrl 2021 include/uapi/linux/videodev2.h #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl)