uvc_ctrl.c File Reference

#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/uaccess.h>
#include <linux/usb.h>
#include <linux/videodev2.h>
#include <linux/vmalloc.h>
#include <linux/wait.h>
#include <linux/atomic.h>
#include <media/v4l2-ctrls.h>
#include "uvcvideo.h"

Go to the source code of this file.

Macros
#define	UVC_CTRL_DATA_CURRENT   0
#define	UVC_CTRL_DATA_BACKUP   1
#define	UVC_CTRL_DATA_MIN   2
#define	UVC_CTRL_DATA_MAX   3
#define	UVC_CTRL_DATA_RES   4
#define	UVC_CTRL_DATA_DEF   5
#define	UVC_CTRL_DATA_LAST   6

Functions
int	uvc_query_v4l2_ctrl (struct uvc_video_chain *chain, struct v4l2_queryctrl *v4l2_ctrl)
int	uvc_query_v4l2_menu (struct uvc_video_chain *chain, struct v4l2_querymenu *query_menu)
int	uvc_ctrl_begin (struct uvc_video_chain *chain)
int	__uvc_ctrl_commit (struct uvc_fh *handle, int rollback, const struct v4l2_ext_control *xctrls, unsigned int xctrls_count)
int	uvc_ctrl_get (struct uvc_video_chain *chain, struct v4l2_ext_control *xctrl)
int	uvc_ctrl_set (struct uvc_video_chain *chain, struct v4l2_ext_control *xctrl)
int	uvc_xu_ctrl_query (struct uvc_video_chain *chain, struct uvc_xu_control_query *xqry)
int	uvc_ctrl_resume_device (struct uvc_device *dev)
int	uvc_ctrl_add_mapping (struct uvc_video_chain *chain, const struct uvc_control_mapping *mapping)
int	uvc_ctrl_init_device (struct uvc_device *dev)
void	uvc_ctrl_cleanup_device (struct uvc_device *dev)

Variables
struct v4l2_subscribed_event_ops	uvc_ctrl_sub_ev_ops

Macro Definition Documentation

#define UVC_CTRL_DATA_BACKUP   1

Definition at line 29 of file uvc_ctrl.c.

#define UVC_CTRL_DATA_CURRENT   0

Definition at line 28 of file uvc_ctrl.c.

#define UVC_CTRL_DATA_DEF   5

Definition at line 33 of file uvc_ctrl.c.

#define UVC_CTRL_DATA_LAST   6

Definition at line 34 of file uvc_ctrl.c.

#define UVC_CTRL_DATA_MAX   3

Definition at line 31 of file uvc_ctrl.c.

#define UVC_CTRL_DATA_MIN   2

Definition at line 30 of file uvc_ctrl.c.

#define UVC_CTRL_DATA_RES   4

Definition at line 32 of file uvc_ctrl.c.

Function Documentation

int __uvc_ctrl_commit	(	struct uvc_fh *	handle,
		int	rollback,
		const struct v4l2_ext_control *	xctrls,
		unsigned int	xctrls_count
	)

Definition at line 1387 of file uvc_ctrl.c.

int uvc_ctrl_add_mapping	(	struct uvc_video_chain *	chain,
		const struct uvc_control_mapping *	mapping
	)

Definition at line 1897 of file uvc_ctrl.c.

int uvc_ctrl_begin

(

struct uvc_video_chain *

chain

)

Definition at line 1332 of file uvc_ctrl.c.

void uvc_ctrl_cleanup_device

(

struct uvc_device *

dev

)

Definition at line 2146 of file uvc_ctrl.c.

int uvc_ctrl_get	(	struct uvc_video_chain *	chain,
		struct v4l2_ext_control *	xctrl
	)

Definition at line 1409 of file uvc_ctrl.c.

int uvc_ctrl_init_device

(

struct uvc_device *

dev

)

Definition at line 2078 of file uvc_ctrl.c.

int uvc_ctrl_resume_device

(

struct uvc_device *

dev

)

Definition at line 1792 of file uvc_ctrl.c.

int uvc_ctrl_set	(	struct uvc_video_chain *	chain,
		struct v4l2_ext_control *	xctrl
	)

Definition at line 1422 of file uvc_ctrl.c.

int uvc_query_v4l2_ctrl	(	struct uvc_video_chain *	chain,
		struct v4l2_queryctrl *	v4l2_ctrl
	)

Definition at line 1051 of file uvc_ctrl.c.

int uvc_query_v4l2_menu	(	struct uvc_video_chain *	chain,
		struct v4l2_querymenu *	query_menu
	)

Definition at line 1083 of file uvc_ctrl.c.

int uvc_xu_ctrl_query	(	struct uvc_video_chain *	chain,
		struct uvc_xu_control_query *	xqry
	)

Definition at line 1661 of file uvc_ctrl.c.

Variable Documentation

struct v4l2_subscribed_event_ops uvc_ctrl_sub_ev_ops

Initial value:

= {
    .add = uvc_ctrl_add_event,
    .del = uvc_ctrl_del_event,
    .replace = v4l2_ctrl_replace,
    .merge = v4l2_ctrl_merge,
}

Definition at line 1301 of file uvc_ctrl.c.