int (*load_fw)(struct v4l2_subdev *sd);
int (*reset)(struct v4l2_subdev *sd, u32 val);
int (*s_gpio)(struct v4l2_subdev *sd, u32 val);
+ int (*queryctrl)(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc);
+ int (*g_ctrl)(struct v4l2_subdev *sd, struct v4l2_control *ctrl);
+ int (*s_ctrl)(struct v4l2_subdev *sd, struct v4l2_control *ctrl);
+ int (*g_ext_ctrls)(struct v4l2_subdev *sd, struct v4l2_ext_controls *ctrls);
+ int (*s_ext_ctrls)(struct v4l2_subdev *sd, struct v4l2_ext_controls *ctrls);
+ int (*try_ext_ctrls)(struct v4l2_subdev *sd, struct v4l2_ext_controls *ctrls);
+ int (*querymenu)(struct v4l2_subdev *sd, struct v4l2_querymenu *qm);
long (*ioctl)(struct v4l2_subdev *sd, unsigned int cmd, void *arg);
#ifdef CONFIG_COMPAT
long (*compat_ioctl32)(struct v4l2_subdev *sd, unsigned int cmd,