/*
* uvc_ctrl.c -- USB Video Class driver - Controls
*
* Copyright (C) 2005-2008
* Laurent Pinchart (laurent.pinchart@skynet.be)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*/
#include <linux/kernel.h>
#include <linux/version.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/uaccess.h>
#include <linux/usb.h>
#include <linux/videodev2.h>
#include <linux/vmalloc.h>
#include <linux/wait.h>
#include <asm/atomic.h>
#include "uvcvideo.h"
#define UVC_CTRL_NDATA 2
#define UVC_CTRL_DATA_CURRENT 0
#define UVC_CTRL_DATA_BACKUP 1
/* ------------------------------------------------------------------------
* Control, formats, ...
*/
static struct uvc_control_info uvc_ctrls[] = {
{
.entity = UVC_GUID_UVC_PROCESSING,
.selector = PU_BRIGHTNESS_CONTROL,
.index = 0,
.size = 2,
.flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE
| UVC_CONTROL_RESTORE,
},
{
.entity = UVC_GUID_UVC_PROCESSING,
.selector = PU_CONTRAST_CONTROL,
.index = 1,
.size = 2,
.flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE
| UVC_CONTROL_RESTORE,
},
{
.entity = UVC_GUID_UVC_PROCESSING,
.selector = PU_HUE_CONTROL,
.index = 2,
.size = 2,
.flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE
| UVC_CONTROL_RESTORE | UVC_CONTROL_AUTO_UPDATE,
},
{
.entity = UVC_GUID_UVC_PROCESSING,
.selector = PU_SATURATION_CONTROL,
.index = 3,
.size = 2,
.flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE
| UVC_CONTROL_RESTORE,
},
{
.entity = UVC_GUID_UVC_PROCESSING,
.selector = PU_SHARPNESS_CONTROL,
.index = 4,
.size = 2,
.flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE
| UVC_CONTROL_RESTORE,
},
{
.entity = UVC_GUID_UVC_PROCESSING,
.selector = PU_GAMMA_CONTROL,
.index = 5,
.size = 2,
.flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE
| UVC_CONTROL_RESTORE,
},
{
.entity = UVC_GUID_UVC_PROCESSING,
.selector = PU_BACKLIGHT_COMPENSATION_CONTROL,
.index = 8,
.size = 2,
.flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE
| UVC_CONTROL_RESTORE,
},
{
.entity = UVC_GUID_UVC_PROCESSING,
.selector = PU_GAIN_CONTROL,
.index = 9,
.size = 2,
.flags 