drivers/media/video/gspca/sonixj.c

/*
 * Sonix sn9c102p sn9c105 sn9c120 (jpeg) subdriver
 *
 * Copyright (C) 2009-2010 Jean-François Moine <http://moinejf.free.fr>
 * Copyright (C) 2005 Michel Xhaard mxhaard@magic.fr
 *
 * 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
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#define MODULE_NAME "sonixj"

#include <linux/input.h>
#include <linux/slab.h>
#include "gspca.h"
#include "jpeg.h"

#define V4L2_CID_INFRARED (V4L2_CID_PRIVATE_BASE + 0)

MODULE_AUTHOR("Jean-François Moine <http://moinejf.free.fr>");
MODULE_DESCRIPTION("GSPCA/SONIX JPEG USB Camera Driver");
MODULE_LICENSE("GPL");

/* specific webcam descriptor */
struct sd {
	struct gspca_dev gspca_dev;	/* !! must be the first item */

	atomic_t avg_lum;
	u32 exposure;

	u16 brightness;
	u8 contrast;
	u8 colors;
	u8 autogain;
	u8 blue;
	u8 red;
	u8 gamma;
	u8 vflip;			/* ov7630/ov7648 only */
	u8 sharpness;
	u8 infrared;			/* mt9v111 only */
	u8 freq;			/* ov76xx only */
	u8 quality;			/* image quality */
#define QUALITY_MIN 60
#define QUALITY_MAX 95
#define QUALITY_DEF 80
	u8 jpegqual;			/* webcam quality */

	u8 reg18;

	s8 ag_cnt;
#define AG_CNT_START 13

	u8 bridge;
#define BRIDGE_SN9C102P 0
#define BRIDGE_SN9C105 1
#define BRIDGE_SN9C110 2
#define BRIDGE_SN9C120 3
	u8 sensor;			/* Type of image sensor chip */
enum {
	SENSOR_ADCM1700,
	SENSOR_GC0307,
	SENSOR_HV7131R,
	SENSOR_MI0360,
	SENSOR_MO4000,
	SENSOR_MT9V111,
	SENSOR_OM6802,
	SENSOR_OV7630,
	SENSOR_OV7648,
	SENSOR_OV7660,
	SENSOR_PO1030,
	SENSOR_PO2030N,
	SENSOR_SOI768,
	SENSOR_SP80708,
} sensors;
	u8 i2c_addr;

	u8 jpeg_hdr[JPEG_HDR_SZ];
};

/* V4L2 controls supported by the driver */
static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setblue_balance(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getblue_balance(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setred_balance(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getred_balance(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setgamma(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getgamma(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setinfrared(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getinfrared(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val);

static const struct ctrl sd_ctrls[] = {
#define BRIGHTNESS_IDX 0
	{
	    {
		.id      = V4L2_CID_BRIGHTNESS,
		.type    = V4L2_CTRL_TYPE_INTEGER,
		.name    = "Brightness",
		.minimum = 0,
#define BRIGHTNESS_MAX 0xffff
		.maximum = BRIGHTNESS_MAX,
		.step    = 1,
#define BRIGHTNESS_DEF 0x8000
		.default_value = BRIGHTNESS_DEF,
	    },
	    .set = sd_setbrightness,
	    .get = sd_getbrightness,
	},
#define CONTRAST_IDX 1
	{
	    {
		.id      = V4L2_CID_CONTRAST,
		.type    = V4L2_CTRL_TYPE_INTEGER,
		.name    = "Contrast",
		.minimum = 0,
#define CONTRAST_MAX 127
		.maximum = CONTRAST_MAX,
		.step    = 1,
#define CONTRAST_DEF 63
		.default_value = CONTRAST_DEF,
	    },
	    .set = sd_setcontrast,
	    .get = sd_getcontrast,
	},
#define COLOR_IDX 2
	{
	    {
		.id      = V4L2_CID_SATURATION,
		.type    = V4L2_CTRL_TYPE_INTEGER,
		.name    = "Saturation",
		.minimum = 0,
		.maximum = 40,
		.step    = 1,
#define COLOR_DEF 25
		.default_value = COLOR_DEF,
	    },
	    .set = sd_setcolors,
	    .get = sd_getcolors,
	},
#define BLUE_BALANCE_IDX 3
	{
	    {
		.id      = V4L2_CID_BLUE_BALANCE,
		.type    = V4L2_CTRL_TYPE_INTEGER,
		.name    = "Blue Balance",
		.minimum = 24,
		.maximum = 40,
		.step    = 1,
#define BLUE_BALANCE_DEF 32
		.default_value = BLUE_BALANCE_DEF,
	    },
	    .set = sd_setblue_balance,
	    .get = sd_getblue_balance,
	},
#define RED_BALANCE_IDX 4
	{
	    {
		.id      = V4L2_CID_RED_BALANCE,
		.type    = V4L2_CTRL_TYPE_INTEGER,
		.name    = "Red Balance",
		.minimum = 24,
		.maximum = 40,
		.step    = 1,
#define RED_BALANCE_DEF 32
		.default_value = RED_BALANCE_DEF,
	    },
	    .set = sd_setred_balance,
	    .get = sd_getred_balance,
	},
#define GAMMA_IDX 5
	{
	    {
		.id      = V4L2_CID_GAMMA,
		.type    = V4L2_CTRL_TYPE_INTEGER,
		.name    = "Gamma",
		.minimum = 0,
		.maximum = 40,
		.step    = 1,
#define GAMMA_DEF 20
		.default_value = GAMMA_DEF,
	    },
	    .set = sd_setgamma,
	    .get = sd_getgamma,
	},
#define AUTOGAIN_IDX 6
	{
	    {
		.id      = V4L2_CID_AUTOGAIN,
		.type    = V4L2_CTRL_TYPE_BOOLEAN,
		.name    = "Auto Gain",
		.minimum = 0,
		.maximum = 1,
		.step    = 1,
#define AUTOGAIN_DEF 1
		.default_value = AUTOGAIN_DEF,
	    },
	    .set = sd_setautogain,
	    .get = sd_getautogain,
	},
/* ov7630/ov7648 only */
#define VFLIP_IDX 7
	{
	    {
		.id      = V4L2_CID_VFLIP,
		.type    = V4L2_CTRL_TYPE_BOOLEAN,
		.name    = "Vflip",
		.minimum = 0,
		.maximum = 1,
		.step    = 1,
#define VFLIP_DEF 0
		.default_value = VFLIP_DEF,
	    },
	    .set = sd_setvflip,
	    .get = sd_getvflip,
	},
#define SHARPNESS_IDX 8
	{
	    {
		.id	 = V4L2_CID_SHARPNESS,
		.type    = V4L2_CTRL_TYPE_INTEGER,
		.name    = "Sharpness",
		.minimum = 0,
		.maximum = 255,
		.step    = 1,
#define SHARPNESS_DEF 90
		.default_value = SHARPNESS_DEF,
	    },
	    .set = sd_setsharpness,
	    .get = sd_getsharpness,
	},
/* mt9v111 only */
#define INFRARED_IDX 9
	{
	    {
		.id      = V4L2_CID_INFRARED,
		.type    = V4L2_CTRL_TYPE_BOOLEAN,
		.name    = "Infrared",
		.minimum = 0,
		.maximum = 1,
		.step    = 1,
#define INFRARED_DEF 0
		.default_value = INFRARED_DEF,
	    },
	    .set = sd_setinfrared,
	    .get = sd_getinfrared,
	},
/* ov7630/ov7648/ov7660 only */
#define FREQ_IDX 10
	{
	    {
		.id	 = V4L2_CID_POWER_LINE_FREQUENCY,
		.type    = V4L2_CTRL_TYPE_MENU,
		.name    = "Light frequency filter",
		.minimum = 0,
		.maximum = 2,	/* 0: 0, 1: 50Hz, 2:60Hz */
		.step    = 1,
#define FREQ_DEF 1
		.default_value = FREQ_DEF,
	    },
	    .set = sd_setfreq,
	    .get = sd_getfreq,
	},
};

/* table of the disabled controls */
static const __u32 ctrl_dis[] = {
[SENSOR_ADCM1700] =	(1 << AUTOGAIN_IDX) |
			(1 << INFRARED_IDX) |
			(1 << VFLIP_IDX) |
			(1 << FREQ_IDX),

[SENSOR_GC0307] =	(1 << INFRARED_IDX) |
			(1 << VFLIP_IDX) |
			(1 << FREQ_IDX),

[SENSOR_HV7131R] =	(1 << INFRARED_IDX) |
			(1 << FREQ_IDX),

[SENSOR_MI0360] =	(1 << INFRARED_IDX) |
			(1 << VFLIP_IDX) |
			(1 << FREQ_IDX),

[SENSOR_MO4000] =	(1 << INFRARED_IDX) |
			(1 << VFLIP_IDX) |
			(1 << FREQ_IDX),

[SENSOR_MT9V111] =	(1 << VFLIP_IDX) |
			(1 << FREQ_IDX),

[SENSOR_OM6802] =	(1 << INFRARED_IDX) |
			(1 << VFLIP_IDX) |
			(1 << FREQ_IDX),

[SENSOR_OV7630] =	(1 << INFRARED_IDX),

[SENSOR_OV7648] =	(1 << INFRARED_IDX),

[SENSOR_OV7660] =	(1 << AUTOGAIN_IDX) |
			(1 << INFRARED_IDX) |
			(1 << VFLIP_IDX),

[SENSOR_PO1030] =	(1 << AUTOGAIN_IDX) |
			(1 << INFRARED_IDX) |
			(1 << VFLIP_IDX) |
			(1 << FREQ_IDX),

[SENSOR_PO2030N] =	(1 << AUTOGAIN_IDX) |
			(1 << INFRARED_IDX) |
			(1 << VFLIP_IDX) |
			(1 << FREQ_IDX),
[SENSOR_SOI768] =	(1 << AUTOGAIN_IDX) |
			(1 << INFRARED_IDX) |
			(1 << VFLIP_IDX) |
			(1 << FREQ_IDX),

[SENSOR_SP80708] =	(1 << AUTOGAIN_IDX) |
			(1 << INFRARED_IDX) |
			(1 << VFLIP_IDX) |
			(1 << FREQ_IDX),
};

static const struct v4l2_pix_format cif_mode[] = {
	{352, 288, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 352,
		.sizeimage = 352 * 288 * 4 / 8 + 590,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = 0},
};
static const struct v4l2_pix_format vga_mode[] = {
	{160, 120, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 160,
		.sizeimage = 160 * 120 * 4 / 8 + 590,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = 2},
	{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 320,
		.sizeimage = 320 * 240 * 3 / 8 + 590,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = 1},
	{640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 640,
		/* Note 3 / 8 is not large enough, not even 5 / 8 is ?! */
		.sizeimage = 640 * 480 * 3 / 4 + 590,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = 0},
};

static const u8 sn_adcm1700[0x1c] = {
/*	reg0	reg1	reg2	reg3	reg4	reg5	reg6	reg7 */
	0x00,	0x43,	0x60,	0x00,	0x1a,	0x00,	0x00,	0x00,
/*	reg8	reg9	rega	regb	regc	regd	rege	regf */
	0x80,	0x51,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,
/*	reg10	reg11	reg12	reg13	reg14	reg15	reg16	reg17 */
	0x03,	0x00,	0x05,	0x01,	0x05,	0x16,	0x12,	0x42,
/*	reg18	reg19	reg1a	reg1b */
	0x06,	0x00,	0x00,	0x00
};

static const u8 sn_gc0307[0x1c] = {
/*	reg0	reg1	reg2	reg3	reg4	reg5	reg6	reg7 */
	0x00,	0x61,	0x62,	0x00,	0x1a,	0x00,	0x00,	0x00,
/*	reg8	reg9	rega	regb	regc	regd	rege	regf */
	0x80,	0x21,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,
/*	reg10	reg11	reg12	reg13	reg14	reg15	reg16	reg17 */
	0x03,	0x00,	0x03,	0x01,	0x08,	0x28,	0x1e,	0x02,
/*	reg18	reg19	reg1a	reg1b */
	0x06,	0x00,	0x00,	0x00
};

static const u8 sn_hv7131[0x1c] = {
/*	reg0	reg1	reg2	reg3	reg4	reg5	reg6	reg7 */
	0x00,	0x03,	0x64,	0x00,	0x1a,	0x20,	0x20,	0x20,
/*	reg8	reg9	rega	regb	regc	regd	rege	regf */
	0x81,	0x11,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,
/*	reg10	reg11	reg12	reg13	reg14	reg15	reg16	reg17 */
	0x03,	0x00,	0x00,	0x01,	0x03,	0x28,	0x1e,	0x41,
/*	reg18	reg19	reg1a	reg1b */
	0x0a,	0x00,	0x00,	0x00
};

static const u8 sn_mi0360[0x1c] = {
/*	reg0	reg1	reg2	reg3	reg4	reg5	reg6	reg7 */
	0x00,	0x61,	0x44,	0x00,	0x1a,	0x20,	0x20,	0x20,
/*	reg8	reg9	rega	regb	regc	regd	rege	regf */
	0x81,	0x5d,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,
/*	reg10	reg11	reg12	reg13	reg14	reg15	reg16	reg17 */
	0x03,	0x00,	0x00,	0x02,	0x0a,	0x28,	0x1e,	0x61,
/*	reg18	reg19	reg1a	reg1b */
	0x06,	0x00,	0x00,	0x00
};

static const u8 sn_mo4000[0x1c] = {
/*	reg0	reg1	reg2	reg3	reg4	reg5	reg6	reg7 */
	0x00,	0x23,	0x60,	0x00,	0x1a,	0x00,	0x20,	0x18,
/*	reg8	reg9	rega	regb	regc	regd	rege	regf */
	0x81,	0x21,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,
/*	reg10	reg11	reg12	reg13	reg14	reg15	reg16	reg17 */
	0x03,	 0x00,	0x0b,	0x0f,	0x14,	0x28,	0x1e,	0x40,
/*	reg18	reg19	reg1a	reg1b */
	0x08,	0x00,	0x00,	0x00
};

static const u8 sn_mt9v111[0x1c] = {
/*	reg0	reg1	reg2	reg3	reg4	reg5	reg6	reg7 */
	0x00,	0x61,	0x40,	0x00,	0x1a,	0x20,	0x20,	0x20,
/*	reg8	reg9	rega	regb	regc	regd	rege	regf */
	0x81,	0x5c,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,
/*	reg10	reg11	reg12	reg13	reg14	reg15	reg16	reg17 */
	0x03,	0x00,	0x00,	0x02,	0x1c,	0x28,	0x1e,	0x40,
/*	reg18	reg19	reg1a	reg1b */
	0x06,	0x00,	0x00,	0x00
};

static const u8 sn_om6802[0x1c] = {
/*	reg0	reg1	reg2	reg3	reg4	reg5	reg6	reg7 */
	0x00,	0x23,	0x72,	0x00,	0x1a,	0x20,	0x20,	0x19,
/*	reg8	reg9	rega	regb	regc	regd	rege	regf */
	0x80,	0x34,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,
/*	reg10	reg11	reg12	reg13	reg14	reg15	reg16	reg17 */
	0x03,	0x00,	0x51,	0x01,	0x00,	0x28,	0x1e,	0x40,
/*	reg18	reg19	reg1a	reg1b */
	0x05,	0x00,	0x00,	0x00
};

static const u8 sn_ov7630[0x1c] = {
/*	reg0	reg1	reg2	reg3	reg4	reg5	reg6	reg7 */
	0x00,	0x21,	0x40,	0x00,	0x1a,	0x00,	0x00,	0x00,
/*	reg8	reg9	rega	regb	regc	regd	rege	regf */
	0x81,	0x21,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,
/*	reg10	reg11	reg12	reg13	reg14	reg15	reg16	reg17 */
	0x03,	0x00,	0x04,	0x01,	0x0a,	0x28,	0x1e,	0xc2,
/*	reg18	reg19	reg1a	reg1b */
	0x0b,	0x00,	0x00,	0x00
};

static const u8 sn_ov7648[0x1c] = {
/*	reg0	reg1	reg2	reg3	reg4	reg5	reg6	reg7 */
	0x00,	0x63,	0x40,	0x00,	0x1a,	0x20,	0x20,	0x20,
/*	reg8	reg9	rega	regb	regc	regd	rege	regf */
	0x81,	0x21,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,
/*	reg10	reg11	reg12	reg13	reg14	reg15	reg16	reg17 */
	0x03,	0x00,	0x00,	0x01,	0x00,	0x28,	0x1e,	0x00,
/*	reg18	reg19	reg1a	reg1b */
	0x0b,	0x00,	0x00,	0x00
};

static const u8 sn_ov7660[0x1c] = {
/*	reg0	reg1	reg2	reg3	reg4	reg5	reg6	reg7 */
	0x00,	0x61,	0x40,	0x00,	0x1a,	0x00,	0x00,	0x00,
/*	reg8	reg9	rega	regb	regc	regd	rege	regf */
	0x81,	0x21,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,
/*	reg10	reg11	reg12	reg13	reg14	reg15	reg16	reg17 */
	0x03,	0x00,	0x01,	0x01,	0x08,	0x28,	0x1e,	0x20,
/*	reg18	reg19	reg1a	reg1b */
	0x07,	0x00,	0x00,	0x00
};

static const u8 sn_po1030[0x1c] = {
/*	reg0	reg1	reg2	reg3	reg4	reg5	reg6	reg7 */
	0x00,	0x21,	0x62,	0x00,	0x1a,	0x20,	0x20,	0x20,
/*	reg8	reg9	rega	regb	regc	regd	rege	regf */
	0x81,	0x6e,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,
/*	reg10	reg11	reg12	reg13	reg14	reg15	reg16	reg17 */
	0x03,	0x00,	0x00,	0x06,	0x06,	0x28,	0x1e,	0x00,
/*	reg18	reg19	reg1a	reg1b */
	0x07,	0x00,	0x00,	0x00
};

static const u8 sn_po2030n[0x1c] = {
/*	reg0	reg1	reg2	reg3	reg4	reg5	reg6	reg7 */
	0x00,	0x63,	0x40,	0x00,	0x1a,	0x00,	0x00,	0x00,
/*	reg8	reg9	rega	regb	regc	regd	rege	regf */
	0x81,	0x6e,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,
/*	reg10	reg11	reg12	reg13	reg14	reg15	reg16	reg17 */
	0x03,	0x00,	0x00,	0x01,	0x14,	0x28,	0x1e,	0x00,
/*	reg18	reg19	reg1a	reg1b */
	0x07,	0x00,	0x00,	0x00
};

static const u8 sn_soi768[0x1c] = {
/*	reg0	reg1	reg2	reg3	reg4	reg5	reg6	reg7 */
	0x00,	0x21,	0x40,	0x00,	0x1a,	0x00,	0x00,	0x00,
/*	reg8	reg9	rega	regb	regc	regd	rege	regf */
	0x81,	0x21,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,
/*	reg10	reg11	reg12	reg13	reg14	reg15	reg16	reg17 */
	0x03,	0x00,	0x00,	0x01,	0x08,	0x28,	0x1e,	0x00,
/*	reg18	reg19	reg1a	reg1b */
	0x07,	0x00,	0x00,	0x00
};

static const u8 sn_sp80708[0x1c] = {
/*	reg0	reg1	reg2	reg3	reg4	reg5	reg6	reg7 */
	0x00,	0x63,	0x60,	0x00,	0x1a,	0x20,	0x20,	0x20,
/*	reg8	reg9	rega	regb	regc	regd	rege	regf */
	0x81,	0x18,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,
/*	reg10	reg11	reg12	reg13	reg14	reg15	reg16	reg17 */
	0x03,	0x00,	0x00,	0x03,	0x04,	0x28,	0x1e,	0x00,
/*	reg18	reg19	reg1a	reg1b */
	0x07,	0x00,	0x00,	0x00
};

/* sequence specific to the sensors - !! index = SENSOR_xxx */
static const u8 *sn_tb[] = {
[SENSOR_ADCM1700] =	sn_adcm1700,
[SENSOR_GC0307] =	sn_gc0307,
[SENSOR_HV7131R] =	sn_hv7131,
[SENSOR_MI0360] =	sn_mi0360,
[SENSOR_MO4000] =	sn_mo4000,
[SENSOR_MT9V111] =	sn_mt9v111,
[SENSOR_OM6802] =	sn_om6802,
[SENSOR_OV7630] =	sn_ov7630,
[SENSOR_OV7648] =	sn_ov7648,
[SENSOR_OV7660] =	sn_ov7660,
[SENSOR_PO1030] =	sn_po1030,
[SENSOR_PO2030N] =	sn_po2030n,
[SENSOR_SOI768] =	sn_soi768,
[SENSOR_SP80708] =	sn_sp80708,
};

/* default gamma table */
static const u8 gamma_def[17] = {
	0x00, 0x2d, 0x46, 0x5a, 0x6c, 0x7c, 0x8b, 0x99,
	0xa6, 0xb2, 0xbf, 0xca, 0xd5, 0xe0, 0xeb, 0xf5, 0xff
};
/* gamma for sensor ADCM1700 */
static const u8 gamma_spec_0[17] = {
	0x0f, 0x39, 0x5a, 0x74, 0x86, 0x95, 0xa6, 0xb4,
	0xbd, 0xc4, 0xcc, 0xd4, 0xd5, 0xde, 0xe4, 0xed, 0xf5
};
/* gamma for sensors HV7131R and MT9V111 */
static const u8 gamma_spec_1[17] = {
	0x08, 0x3a, 0x52, 0x65, 0x75, 0x83, 0x91, 0x9d,
	0xa9, 0xb4, 0xbe, 0xc8, 0xd2, 0xdb, 0xe4, 0xed, 0xf5
};
/* gamma for sensor GC0307 */
static const u8 gamma_spec_2[17] = {
	0x14, 0x37, 0x50, 0x6a, 0x7c, 0x8d, 0x9d, 0xab,
	0xb5, 0xbf, 0xc2, 0xcb, 0xd1, 0xd6, 0xdb, 0xe1, 0xeb
};
/* gamma for sensor SP80708 */
static const u8 gamma_spec_3[17] = {
	0x0a, 0x2d, 0x4e, 0x68, 0x7d, 0x8f, 0x9f, 0xab,
	0xb7, 0xc2, 0xcc, 0xd3, 0xd8, 0xde, 0xe2, 0xe5, 0xe6
};

/* color matrix and offsets */
static const u8 reg84[] = {
	0x14, 0x00, 0x27, 0x00, 0x07, 0x00,	/* YR YG YB gains */
	0xe8, 0x0f, 0xda, 0x0f, 0x40, 0x00,	/* UR UG UB */
	0x3e, 0x00, 0xcd, 0x0f, 0xf7, 0x0f,	/* VR VG VB */
	0x00, 0x00, 0x00			/* YUV offsets */
};
static const u8 adcm1700_sensor_init[][8] = {
	{0xa0, 0x51, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xb0, 0x51, 0x04, 0x08, 0x00, 0x00, 0x00, 0x10},	/* reset */
	{0xdd, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
	{0xb0, 0x51, 0x04, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xdd, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
	{0xb0, 0x51, 0x0c, 0xe0, 0x2e, 0x00, 0x00, 0x10},
	{0xb0, 0x51, 0x10, 0x02, 0x02, 0x00, 0x00, 0x10},
	{0xb0, 0x51, 0x14, 0x0e, 0x0e, 0x00, 0x00, 0x10},
	{0xb0, 0x51, 0x1c, 0x00, 0x80, 0x00, 0x00, 0x10},
	{0xb0, 0x51, 0x20, 0x01, 0x00, 0x00, 0x00, 0x10},
	{0xdd, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
	{0xb0, 0x51, 0x04, 0x04, 0x00, 0x00, 0x00, 0x10},
	{0xdd, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
	{0xb0, 0x51, 0x04, 0x01, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x51, 0xfe, 0x10, 0x00, 0x00, 0x00, 0x10},
	{0xb0, 0x51, 0x14, 0x01, 0x00, 0x00, 0x00, 0x10},
	{0xb0, 0x51, 0x32, 0x00, 0x00, 0x00, 0x00, 0x10},
	{}
};
static const u8 adcm1700_sensor_param1[][8] = {
	{0xb0, 0x51, 0x26, 0xf9, 0x01, 0x00, 0x00, 0x10},	/* exposure? */
	{0xd0, 0x51, 0x1e, 0x8e, 0x8e, 0x8e, 0x8e, 0x10},

	{0xa0, 0x51, 0xfe, 0x01, 0x00, 0x00, 0x00, 0x10},
	{0xb0, 0x51, 0x00, 0x02, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x51, 0xfe, 0x10, 0x00, 0x00, 0x00, 0x10},
	{0xb0, 0x51, 0x32, 0x00, 0x72, 0x00, 0x00, 0x10},
	{0xd0, 0x51, 0x1e, 0xbe, 0xd7, 0xe8, 0xbe, 0x10},	/* exposure? */

	{0xa0, 0x51, 0xfe, 0x01, 0x00, 0x00, 0x00, 0x10},
	{0xb0, 0x51, 0x00, 0x02, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x51, 0xfe, 0x10, 0x00, 0x00, 0x00, 0x10},
	{0xb0, 0x51, 0x32, 0x00, 0xa2, 0x00, 0x00, 0x10},
	{}
};
static const u8 gc0307_sensor_init[][8] = {
	{0xa0, 0x21, 0x43, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x44, 0xa2, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x01, 0x6a, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x02, 0x70, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x10, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x1c, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x1d, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x11, 0x05, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x05, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x06, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x07, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x08, 0x02, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x09, 0x01, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x0a, 0xe8, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x0b, 0x02, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x0c, 0x80, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x0d, 0x22, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x0e, 0x02, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x0f, 0xb2, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x12, 0x70, 0x00, 0x00, 0x00, 0x10},
	{0xdd, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /*delay 10ms*/
	{0xa0, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x15, 0xb8, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x16, 0x13, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x17, 0x52, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x18, 0x50, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x1e, 0x0d, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x1f, 0x32, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x61, 0x90, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x63, 0x70, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x65, 0x98, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x67, 0x90, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x03, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x04, 0x96, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x45, 0x27, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x47, 0x2c, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x43, 0x47, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x44, 0xd8, 0x00, 0x00, 0x00, 0x10},
	{}
};
static const u8 gc0307_sensor_param1[][8] = {
	{0xa0, 0x21, 0x68, 0x13, 0x00, 0x00, 0x00, 0x10},
	{0xd0, 0x21, 0x61, 0x80, 0x00, 0x80, 0x00, 0x10},
	{0xc0, 0x21, 0x65, 0x80, 0x00, 0x80, 0x00, 0x10},
	{0xc0, 0x21, 0x63, 0xa0, 0x00, 0xa6, 0x00, 0x10},
/*param3*/
	{0xa0, 0x21, 0x01, 0x6e, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x21, 0x02, 0x88, 0x00, 0x00, 0x00, 0x10},
	{}
};

static const u8 hv7131r_sensor_init[][8] = {
	{0xc1, 0x11, 0x01, 0x08, 0x01, 0x00, 0x00, 0x10},
	{0xb1, 0x11, 0x34, 0x17, 0x7f, 0x00, 0x00, 0x10},
	{0xd1, 0x11, 0x40, 0xff, 0x7f, 0x7f, 0x7f, 0x10},
/*	{0x91, 0x11, 0x44, 0x00, 0x00, 0x00, 0x00, 0x10}, */
	{0xd1, 0x11, 0x10, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x11, 0x14, 0x01, 0xe2, 0x02, 0x82, 0x10},
/*	{0x91, 0x11, 0x18, 0x00, 0x00, 0x00, 0x00, 0x10}, */

	{0xa1, 0x11, 0x01, 0x08, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x11, 0x01, 0x08, 0x00, 0x00, 0x00, 0x10},
	{0xc1, 0x11, 0x25, 0x00, 0x61, 0xa8, 0x00, 0x10},
	{0xa1, 0x11, 0x30, 0x22, 0x00, 0x00, 0x00, 0x10},
	{0xc1, 0x11, 0x31, 0x20, 0x2e, 0x20, 0x00, 0x10},
	{0xc1, 0x11, 0x25, 0x00, 0xc3, 0x50, 0x00, 0x10},
	{0xa1, 0x11, 0x30, 0x07, 0x00, 0x00, 0x00, 0x10}, /* gain14 */
	{0xc1, 0x11, 0x31, 0x10, 0x10, 0x10, 0x00, 0x10}, /* r g b 101a10 */

	{0xa1, 0x11, 0x01, 0x08, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x11, 0x20, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x11, 0x21, 0xd0, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x11, 0x22, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x11, 0x23, 0x09, 0x00, 0x00, 0x00, 0x10},

	{0xa1, 0x11, 0x01, 0x08, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x11, 0x20, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x11, 0x21, 0xd0, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x11, 0x22, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x11, 0x23, 0x10, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x11, 0x01, 0x18, 0x00, 0x00, 0x00, 0x10},
							/* set sensor clock */
	{}
};
static const u8 mi0360_sensor_init[][8] = {
	{0xb1, 0x5d, 0x07, 0x00, 0x02, 0x00, 0x00, 0x10},
	{0xb1, 0x5d, 0x0d, 0x00, 0x01, 0x00, 0x00, 0x10},
	{0xb1, 0x5d, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x5d, 0x01, 0x00, 0x08, 0x00, 0x16, 0x10},
	{0xd1, 0x5d, 0x03, 0x01, 0xe2, 0x02, 0x82, 0x10},
	{0xd1, 0x5d, 0x05, 0x00, 0x09, 0x00, 0x53, 0x10},
	{0xb1, 0x5d, 0x0d, 0x00, 0x02, 0x00, 0x00, 0x10},
	{0xd1, 0x5d, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x5d, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x5d, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x5d, 0x10, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x5d, 0x12, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x5d, 0x14, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x5d, 0x16, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x5d, 0x18, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x5d, 0x1a, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x5d, 0x1c, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xb1, 0x5d, 0x32, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x5d, 0x20, 0x91, 0x01, 0x00, 0x00, 0x10},
	{0xd1, 0x5d, 0x22, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x5d, 0x24, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x5d, 0x26, 0x00, 0x00, 0x00, 0x24, 0x10},
	{0xd1, 0x5d, 0x2f, 0xf7, 0xB0, 0x00, 0x04, 0x10},
	{0xd1, 0x5d, 0x31, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x5d, 0x33, 0x00, 0x00, 0x01, 0x00, 0x10},
	{0xb1, 0x5d, 0x3d, 0x06, 0x8f, 0x00, 0x00, 0x10},
	{0xd1, 0x5d, 0x40, 0x01, 0xe0, 0x00, 0xd1, 0x10},
	{0xb1, 0x5d, 0x44, 0x00, 0x82, 0x00, 0x00, 0x10},
	{0xd1, 0x5d, 0x58, 0x00, 0x78, 0x00, 0x43, 0x10},
	{0xd1, 0x5d, 0x5a, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x5d, 0x5c, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x5d, 0x5e, 0x00, 0x00, 0xa3, 0x1d, 0x10},
	{0xb1, 0x5d, 0x62, 0x04, 0x11, 0x00, 0x00, 0x10},

	{0xb1, 0x5d, 0x20, 0x91, 0x01, 0x00, 0x00, 0x10},
	{0xb1, 0x5d, 0x20, 0x11, 0x01, 0x00, 0x00, 0x10},
	{0xb1, 0x5d, 0x09, 0x00, 0x64, 0x00, 0x00, 0x10},
	{0xd1, 0x5d, 0x2b, 0x00, 0xa0, 0x00, 0xb0, 0x10},
	{0xd1, 0x5d, 0x2d, 0x00, 0xa0, 0x00, 0xa0, 0x10},

	{0xb1, 0x5d, 0x0a, 0x00, 0x02, 0x00, 0x00, 0x10}, /* sensor clck ?2 */
	{0xb1, 0x5d, 0x06, 0x00, 0x30, 0x00, 0x00, 0x10},
	{0xb1, 0x5d, 0x05, 0x00, 0x0a, 0x00, 0x00, 0x10},
	{0xb1, 0x5d, 0x09, 0x02, 0x35, 0x00, 0x00, 0x10}, /* exposure 2 */

	{0xd1, 0x5d, 0x2b, 0x00, 0xb9, 0x00, 0xe3, 0x10},
	{0xd1, 0x5d, 0x2d, 0x00, 0x5f, 0x00, 0xb9, 0x10}, /* 42 */
/*	{0xb1, 0x5d, 0x35, 0x00, 0x67, 0x00, 0x00, 0x10}, * gain orig */
/*	{0xb1, 0x5d, 0x35, 0x00, 0x20, 0x00, 0x00, 0x10}, * gain */
	{0xb1, 0x5d, 0x07, 0x00, 0x03, 0x00, 0x00, 0x10}, /* update */
	{0xb1, 0x5d, 0x07, 0x00, 0x02, 0x00, 0x00, 0x10}, /* sensor on */
	{}
};
static const u8 mo4000_sensor_init[][8] = {
	{0xa1, 0x21, 0x01, 0x02, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x02, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x03, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x04, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x05, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x05, 0x04, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x06, 0x80, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x06, 0x81, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x11, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x11, 0x20, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x11, 0x30, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x11, 0x38, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x11, 0x38, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x12, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x10, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x0f, 0x20, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x10, 0x20, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x11, 0x38, 0x00, 0x00, 0x00, 0x10},
	{}
};
static const u8 mt9v111_sensor_init[][8] = {
	{0xb1, 0x5c, 0x0d, 0x00, 0x01, 0x00, 0x00, 0x10}, /* reset? */
	{0xdd, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* delay 20ms */
	{0xb1, 0x5c, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xb1, 0x5c, 0x01, 0x00, 0x01, 0x00, 0x00, 0x10}, /* IFP select */
	{0xb1, 0x5c, 0x08, 0x04, 0x80, 0x00, 0x00, 0x10}, /* output fmt ctrl */
	{0xb1, 0x5c, 0x06, 0x00, 0x00, 0x00, 0x00, 0x10}, /* op mode ctrl */
	{0xb1, 0x5c, 0x02, 0x00, 0x16, 0x00, 0x00, 0x10},
	{0xb1, 0x5c, 0x03, 0x01, 0xe1, 0x00, 0x00, 0x10},
	{0xb1, 0x5c, 0x04, 0x02, 0x81, 0x00, 0x00, 0x10},
	{0xb1, 0x5c, 0x05, 0x00, 0x04, 0x00, 0x00, 0x10},
	{0xb1, 0x5c, 0x01, 0x00, 0x04, 0x00, 0x00, 0x10}, /* sensor select */
	{0xb1, 0x5c, 0x02, 0x00, 0x16, 0x00, 0x00, 0x10},
	{0xb1, 0x5c, 0x03, 0x01, 0xe6, 0x00, 0x00, 0x10},
	{0xb1, 0x5c, 0x04, 0x02, 0x86, 0x00, 0x00, 0x10},
	{0xb1, 0x5c, 0x05, 0x00, 0x04, 0x00, 0x00, 0x10},
	{0xb1, 0x5c, 0x06, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xb1, 0x5c, 0x08, 0x00, 0x08, 0x00, 0x00, 0x10}, /* row start */
	{0xb1, 0x5c, 0x0e, 0x00, 0x08, 0x00, 0x00, 0x10},
	{0xb1, 0x5c, 0x02, 0x00, 0x16, 0x00, 0x00, 0x10}, /* col start */
	{0xb1, 0x5c, 0x03, 0x01, 0xe7, 0x00, 0x00, 0x10}, /* window height */
	{0xb1, 0x5c, 0x04, 0x02, 0x87, 0x00, 0x00, 0x10}, /* window width */
	{0xb1, 0x5c, 0x07, 0x30, 0x02, 0x00, 0x00, 0x10}, /* output ctrl */
	{0xb1, 0x5c, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x10}, /* shutter delay */
	{0xb1, 0x5c, 0x12, 0x00, 0xb0, 0x00, 0x00, 0x10}, /* zoom col start */
	{0xb1, 0x5c, 0x13, 0x00, 0x7c, 0x00, 0x00, 0x10}, /* zoom row start */
	{0xb1, 0x5c, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x10}, /* digital zoom */
	{0xb1, 0x5c, 0x20, 0x00, 0x00, 0x00, 0x00, 0x10}, /* read mode */
	{0xb1, 0x5c, 0x20, 0x00, 0x00, 0x00, 0x00, 0x10},
	{}
};
static const u8 mt9v111_sensor_param1[][8] = {
	{0xb1, 0x5c, 0x20, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xb1, 0x5c, 0x20, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xb1, 0x5c, 0x09, 0x01, 0x2c, 0x00, 0x00, 0x10},
	{0xd1, 0x5c, 0x2b, 0x00, 0x33, 0x00, 0xa0, 0x10}, /* green1 gain */
	{0xd1, 0x5c, 0x2d, 0x00, 0xa0, 0x00, 0x33, 0x10}, /* red gain */
	/*******/
	{0xb1, 0x5c, 0x06, 0x00, 0x1e, 0x00, 0x00, 0x10}, /* vert blanking */
	{0xb1, 0x5c, 0x05, 0x00, 0x0a, 0x00, 0x00, 0x10}, /* horiz blanking */
	{0xd1, 0x5c, 0x2c, 0x00, 0xad, 0x00, 0xad, 0x10}, /* blue gain */
	{0xb1, 0x5c, 0x35, 0x01, 0xc0, 0x00, 0x00, 0x10}, /* global gain */
	{}
};
static const u8 om6802_init0[2][8] = {
/*fixme: variable*/
	{0xa0, 0x34, 0x29, 0x0e, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x34, 0x23, 0xb0, 0x00, 0x00, 0x00, 0x10},
};
static const u8 om6802_sensor_init[][8] = {
	{0xa0, 0x34, 0xdf, 0x6d, 0x00, 0x00, 0x00, 0x10},
						/* factory mode */
	{0xa0, 0x34, 0xdd, 0x18, 0x00, 0x00, 0x00, 0x10},
						/* output raw RGB */
	{0xa0, 0x34, 0x5a, 0xc0, 0x00, 0x00, 0x00, 0x10},
/*	{0xa0, 0x34, 0xfb, 0x11, 0x00, 0x00, 0x00, 0x10}, */
	{0xa0, 0x34, 0xf0, 0x04, 0x00, 0x00, 0x00, 0x10},
		/* auto-exposure speed (0) / white balance mode (auto RGB) */
/*	{0xa0, 0x34, 0xf1, 0x02, 0x00, 0x00, 0x00, 0x10},
							 * set color mode */
/*	{0xa0, 0x34, 0xfe, 0x5b, 0x00, 0x00, 0x00, 0x10},
						 * max AGC value in AE */
/*	{0xa0, 0x34, 0xe5, 0x00, 0x00, 0x00, 0x00, 0x10},
							 * preset AGC */
/*	{0xa0, 0x34, 0xe6, 0x00, 0x00, 0x00, 0x00, 0x10},
						 * preset brightness */
/*	{0xa0, 0x34, 0xe7, 0x00, 0x00, 0x00, 0x00, 0x10},
							 * preset contrast */
/*	{0xa0, 0x34, 0xe8, 0x31, 0x00, 0x00, 0x00, 0x10},
							 * preset gamma */
	{0xa0, 0x34, 0xe9, 0x0f, 0x00, 0x00, 0x00, 0x10},
				/* luminance mode (0x4f -> AutoExpo on) */
	{0xa0, 0x34, 0xe4, 0xff, 0x00, 0x00, 0x00, 0x10},
							/* preset shutter */
/*	{0xa0, 0x34, 0xef, 0x00, 0x00, 0x00, 0x00, 0x10},
							 * auto frame rate */
/*	{0xa0, 0x34, 0xfb, 0xee, 0x00, 0x00, 0x00, 0x10}, */
	{0xa0, 0x34, 0x5d, 0x80, 0x00, 0x00, 0x00, 0x10},
	{}
};
static const u8 om6802_sensor_param1[][8] = {
	{0xa0, 0x34, 0x71, 0x84, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x34, 0x72, 0x05, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x34, 0x68, 0x80, 0x00, 0x00, 0x00, 0x10},
	{0xa0, 0x34, 0x69, 0x01, 0x00, 0x00, 0x00, 0x10},
	{}
};
static const u8 ov7630_sensor_init[][8] = {
	{0xa1, 0x21, 0x76, 0x01, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x12, 0xc8, 0x00, 0x00, 0x00, 0x10},
	{0xdd, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* delay 20ms */
	{0xa1, 0x21, 0x12, 0x48, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x12, 0xc8, 0x00, 0x00, 0x00, 0x10},
	{0xdd, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* delay 20ms */
	{0xa1, 0x21, 0x12, 0x48, 0x00, 0x00, 0x00, 0x10},
/* win: i2c_r from 00 to 80 */
	{0xd1, 0x21, 0x03, 0x80, 0x10, 0x20, 0x80, 0x10},
	{0xb1, 0x21, 0x0c, 0x20, 0x20, 0x00, 0x00, 0x10},
/* HDG: 0x11 was 0x00 change to 0x01 for better exposure (15 fps instead of 30)
	0x13 was 0xc0 change to 0xc3 for auto gain and exposure */
	{0xd1, 0x21, 0x11, 0x01, 0x48, 0xc3, 0x00, 0x10},
	{0xb1, 0x21, 0x15, 0x80, 0x03, 0x00, 0x00, 0x10},
	{0xd1, 0x21, 0x17, 0x1b, 0xbd, 0x05, 0xf6, 0x10},
	{0xa1, 0x21, 0x1b, 0x04, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x21, 0x1f, 0x00, 0x80, 0x80, 0x80, 0x10},
	{0xd1, 0x21, 0x23, 0xde, 0x10, 0x8a, 0xa0, 0x10},
	{0xc1, 0x21, 0x27, 0xca, 0xa2, 0x74, 0x00, 0x10},
	{0xd1, 0x21, 0x2a, 0x88, 0x00, 0x88, 0x01, 0x10},
	{0xc1, 0x21, 0x2e, 0x80, 0x00, 0x18, 0x00, 0x10},
	{0xa1, 0x21, 0x21, 0x08, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x22, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x2e, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xb1, 0x21, 0x32, 0xc2, 0x08, 0x00, 0x00, 0x10},
	{0xb1, 0x21, 0x4c, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x21, 0x60, 0x05, 0x40, 0x12, 0x57, 0x10},
	{0xa1, 0x21, 0x64, 0x73, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x21, 0x65, 0x00, 0x55, 0x01, 0xac, 0x10},
	{0xa1, 0x21, 0x69, 0x38, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x21, 0x6f, 0x1f, 0x01, 0x00, 0x10, 0x10},
	{0xd1, 0x21, 0x73, 0x50, 0x20, 0x02, 0x01, 0x10},
	{0xd1, 0x21, 0x77, 0xf3, 0x90, 0x98, 0x98, 0x10},
	{0xc1, 0x21, 0x7b, 0x00, 0x4c, 0xf7, 0x00, 0x10},
	{0xd1, 0x21, 0x17, 0x1b, 0xbd, 0x05, 0xf6, 0x10},
	{0xa1, 0x21, 0x1b, 0x04, 0x00, 0x00, 0x00, 0x10},
	{}
};
static const u8 ov7630_sensor_param1[][8] = {
	{0xa1, 0x21, 0x12, 0x48, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x12, 0x48, 0x00, 0x00, 0x00, 0x10},
/*fixme: + 0x12, 0x04*/
/*	{0xa1, 0x21, 0x75, 0x82, 0x00, 0x00, 0x00, 0x10},  * COMN
							 * set by setvflip */
	{0xa1, 0x21, 0x10, 0x32, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xb1, 0x21, 0x01, 0x80, 0x80, 0x00, 0x00, 0x10},
/* */
/*	{0xa1, 0x21, 0x2a, 0x88, 0x00, 0x00, 0x00, 0x10}, * set by setfreq */
/*	{0xa1, 0x21, 0x2b, 0x34, 0x00, 0x00, 0x00, 0x10}, * set by setfreq */
/* */
	{0xa1, 0x21, 0x10, 0x83, 0x00, 0x00, 0x00, 0x10},
/*	{0xb1, 0x21, 0x01, 0x88, 0x70, 0x00, 0x00, 0x10}, */
	{}
};

static const u8 ov7648_sensor_init[][8] = {
	{0xa1, 0x21, 0x76, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x12, 0x80, 0x00, 0x00, 0x00, 0x10},	/* reset */
	{0xdd, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* delay 20ms */
	{0xa1, 0x21, 0x12, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x21, 0x03, 0xa4, 0x30, 0x88, 0x00, 0x10},
	{0xb1, 0x21, 0x11, 0x80, 0x08, 0x00, 0x00, 0x10},
	{0xc1, 0x21, 0x13, 0xa0, 0x04, 0x84, 0x00, 0x10},
	{0xd1, 0x21, 0x17, 0x1a, 0x02, 0xba, 0xf4, 0x10},
	{0xa1, 0x21, 0x1b, 0x04, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x21, 0x1f, 0x41, 0xc0, 0x80, 0x80, 0x10},
	{0xd1, 0x21, 0x23, 0xde, 0xa0, 0x80, 0x32, 0x10},
	{0xd1, 0x21, 0x27, 0xfe, 0xa0, 0x00, 0x91, 0x10},
	{0xd1, 0x21, 0x2b, 0x00, 0x88, 0x85, 0x80, 0x10},
	{0xc1, 0x21, 0x2f, 0x9c, 0x00, 0xc4, 0x00, 0x10},
	{0xd1, 0x21, 0x60, 0xa6, 0x60, 0x88, 0x12, 0x10},
	{0xd1, 0x21, 0x64, 0x88, 0x00, 0x00, 0x94, 0x10},
	{0xd1, 0x21, 0x68, 0x7a, 0x0c, 0x00, 0x00, 0x10},
	{0xd1, 0x21, 0x6c, 0x11, 0x33, 0x22, 0x00, 0x10},
	{0xd1, 0x21, 0x70, 0x11, 0x00, 0x10, 0x50, 0x10},
	{0xd1, 0x21, 0x74, 0x20, 0x06, 0x00, 0xb5, 0x10},
	{0xd1, 0x21, 0x78, 0x8a, 0x00, 0x00, 0x00, 0x10},
	{0xb1, 0x21, 0x7c, 0x00, 0x43, 0x00, 0x00, 0x10},

	{0xd1, 0x21, 0x21, 0x86, 0x00, 0xde, 0xa0, 0x10},
/*	{0xd1, 0x21, 0x25, 0x80, 0x32, 0xfe, 0xa0, 0x10}, jfm done */
/*	{0xd1, 0x21, 0x29, 0x00, 0x91, 0x00, 0x88, 0x10}, jfm done */
/*	{0xb1, 0x21, 0x2d, 0x85, 0x00, 0x00, 0x00, 0x10}, set by setfreq */
	{}
};
static const u8 ov7648_sensor_param1[][8] = {
/*	{0xa1, 0x21, 0x12, 0x08, 0x00, 0x00, 0x00, 0x10}, jfm done */
/*	{0xa1, 0x21, 0x75, 0x06, 0x00, 0x00, 0x00, 0x10},   * COMN
							 * set by setvflip */
	{0xa1, 0x21, 0x19, 0x02, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x10, 0x32, 0x00, 0x00, 0x00, 0x10},
/*	{0xa1, 0x21, 0x16, 0x00, 0x00, 0x00, 0x00, 0x10}, jfm done */
/*	{0xa1, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10},  * GAIN - def */
/*	{0xb1, 0x21, 0x01, 0x6c, 0x6c, 0x00, 0x00, 0x10},  * B R - def: 80 */
/*...*/
	{0xa1, 0x21, 0x11, 0x81, 0x00, 0x00, 0x00, 0x10}, /* CLKRC */
/*	{0xa1, 0x21, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x10}, jfm done */
/*	{0xa1, 0x21, 0x16, 0x00, 0x00, 0x00, 0x00, 0x10}, jfm done */
/*	{0xa1, 0x21, 0x2a, 0x91, 0x00, 0x00, 0x00, 0x10}, jfm done */
/*	{0xa1, 0x21, 0x2b, 0x00, 0x00, 0x00, 0x00, 0x10}, jfm done */
/*	{0xb1, 0x21, 0x01, 0x64, 0x84, 0x00, 0x00, 0x10},  * B R - def: 80 */

	{}
};

static const u8 ov7660_sensor_init[][8] = {
	{0xa1, 0x21, 0x12, 0x80, 0x00, 0x00, 0x00, 0x10}, /* reset SCCB */
	{0xdd, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* delay 20ms */
	{0xa1, 0x21, 0x12, 0x05, 0x00, 0x00, 0x00, 0x10},
						/* Outformat = rawRGB */
	{0xa1, 0x21, 0x13, 0xb8, 0x00, 0x00, 0x00, 0x10}, /* init COM8 */
	{0xd1, 0x21, 0x00, 0x01, 0x74, 0x92, 0x00, 0x10},
						/* GAIN BLUE RED VREF */
	{0xd1, 0x21, 0x04, 0x00, 0x7d, 0x62, 0x00, 0x10},
						/* COM 1 BAVE GEAVE AECHH */
	{0xb1, 0x21, 0x08, 0x83, 0x01, 0x00, 0x00, 0x10}, /* RAVE COM2 */
	{0xd1, 0x21, 0x0c, 0x00, 0x08, 0x04, 0x4f, 0x10}, /* COM 3 4 5 6 */
	{0xd1, 0x21, 0x10, 0x7f, 0x40, 0x05, 0xff, 0x10},
						/* AECH CLKRC COM7 COM8 */
	{0xc1, 0x21, 0x14, 0x2c, 0x00, 0x02, 0x00, 0x10}, /* COM9 COM10 */
	{0xd1, 0x21, 0x17, 0x10, 0x60, 0x02, 0x7b, 0x10},
						/* HSTART HSTOP VSTRT VSTOP */
	{0xa1, 0x21, 0x1b, 0x02, 0x00, 0x00, 0x00, 0x10}, /* PSHFT */
	{0xb1, 0x21, 0x1e, 0x01, 0x0e, 0x00, 0x00, 0x10}, /* MVFP LAEC */
	{0xd1, 0x21, 0x20, 0x07, 0x07, 0x07, 0x07, 0x10},
					/* BOS GBOS GROS ROS (BGGR offset) */
/*	{0xd1, 0x21, 0x24, 0x68, 0x58, 0xd4, 0x80, 0x10}, */
	{0xd1, 0x21, 0x24, 0x78, 0x68, 0xd4, 0x80, 0x10},
						/* AEW AEB VPT BBIAS */
	{0xd1, 0x21, 0x28, 0x80, 0x30, 0x00, 0x00, 0x10},
						/* GbBIAS RSVD EXHCH EXHCL */
	{0xd1, 0x21, 0x2c, 0x80, 0x00, 0x00, 0x62, 0x10},
						/* RBIAS ADVFL ASDVFH YAVE */
	{0xc1, 0x21, 0x30, 0x08, 0x30, 0xb4, 0x00, 0x10},
						/* HSYST HSYEN HREF */
	{0xd1, 0x21, 0x33, 0x00, 0x07, 0x84, 0x00, 0x10}, /* reserved */
	{0xd1, 0x21, 0x37, 0x0c, 0x02, 0x43, 0x00, 0x10},
						/* ADC ACOM OFON TSLB */
	{0xd1, 0x21, 0x3b, 0x02, 0x6c, 0x19, 0x0e, 0x10},
						/* COM11 COM12 COM13 COM14 */
	{0xd1, 0x21, 0x3f, 0x41, 0xc1, 0x22, 0x08, 0x10},
						/* EDGE COM15 COM16 COM17 */
	{0xd1, 0x21, 0x43, 0xf0, 0x10, 0x78, 0xa8, 0x10}, /* reserved */
	{0xd1, 0x21, 0x47, 0x60, 0x80, 0x00, 0x00, 0x10}, /* reserved */
	{0xd1, 0x21, 0x4b, 0x00, 0x00, 0x00, 0x00, 0x10}, /* reserved */
	{0xd1, 0x21, 0x4f, 0x46, 0x36, 0x0f, 0x17, 0x10}, /* MTX 1 2 3 4 */
	{0xd1, 0x21, 0x53, 0x7f, 0x96, 0x40, 0x40, 0x10}, /* MTX 5 6 7 8 */
	{0xb1, 0x21, 0x57, 0x40, 0x0f, 0x00, 0x00, 0x10}, /* MTX9 MTXS */
	{0xd1, 0x21, 0x59, 0xba, 0x9a, 0x22, 0xb9, 0x10}, /* reserved */
	{0xd1, 0x21, 0x5d, 0x9b, 0x10, 0xf0, 0x05, 0x10}, /* reserved */
	{0xa1, 0x21, 0x61, 0x60, 0x00, 0x00, 0x00, 0x10}, /* reserved */
	{0xd1, 0x21, 0x62, 0x00, 0x00, 0x50, 0x30, 0x10},
						/* LCC1 LCC2 LCC3 LCC4 */
	{0xa1, 0x21, 0x66, 0x00, 0x00, 0x00, 0x00, 0x10}, /* LCC5 */
	{0xd1, 0x21, 0x67, 0x80, 0x7a, 0x90, 0x80, 0x10}, /* MANU */
	{0xa1, 0x21, 0x6b, 0x0a, 0x00, 0x00, 0x00, 0x10},
					/* band gap reference [0:3] DBLV */
	{0xd1, 0x21, 0x6c, 0x30, 0x48, 0x80, 0x74, 0x10}, /* gamma curve */
	{0xd1, 0x21, 0x70, 0x64, 0x60, 0x5c, 0x58, 0x10}, /* gamma curve */
	{0xd1, 0x21, 0x74, 0x54, 0x4c, 0x40, 0x38, 0x10}, /* gamma curve */
	{0xd1, 0x21, 0x78, 0x34, 0x30, 0x2f, 0x2b, 0x10}, /* gamma curve */
	{0xd1, 0x21, 0x7c, 0x03, 0x07, 0x17, 0x34, 0x10}, /* gamma curve */
	{0xd1, 0x21, 0x80, 0x41, 0x4d, 0x58, 0x63, 0x10}, /* gamma curve */
	{0xd1, 0x21, 0x84, 0x6e, 0x77, 0x87, 0x95, 0x10}, /* gamma curve */
	{0xc1, 0x21, 0x88, 0xaf, 0xc7, 0xdf, 0x00, 0x10}, /* gamma curve */
	{0xc1, 0x21, 0x8b, 0x99, 0x99, 0xcf, 0x00, 0x10}, /* reserved */
	{0xb1, 0x21, 0x92, 0x00, 0x00, 0x00, 0x00, 0x10}, /* DM_LNL/H */
/* not in all ms-win traces*/
	{0xa1, 0x21, 0xa1, 0x00, 0x00, 0x00, 0x00, 0x10},
	{}
};
static const u8 ov7660_sensor_param1[][8] = {
	{0xa1, 0x21, 0x1e, 0x01, 0x00, 0x00, 0x00, 0x10}, /* MVFP */
						/* bits[3..0]reserved */
	{0xa1, 0x21, 0x1e, 0x01, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x03, 0x00, 0x00, 0x00, 0x00, 0x10},
						/* VREF vertical frame ctrl */
	{0xa1, 0x21, 0x03, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x10, 0x20, 0x00, 0x00, 0x00, 0x10}, /* AECH 0x20 */
	{0xa1, 0x21, 0x2d, 0x00, 0x00, 0x00, 0x00, 0x10}, /* ADVFL */
	{0xa1, 0x21, 0x2e, 0x00, 0x00, 0x00, 0x00, 0x10}, /* ADVFH */
	{0xa1, 0x21, 0x00, 0x1f, 0x00, 0x00, 0x00, 0x10}, /* GAIN */
/*	{0xb1, 0x21, 0x01, 0x78, 0x78, 0x00, 0x00, 0x10}, * BLUE */
/****** (some exchanges in the win trace) ******/
/*fixme:param2*/
	{0xa1, 0x21, 0x93, 0x00, 0x00, 0x00, 0x00, 0x10},/* dummy line hight */
	{0xa1, 0x21, 0x92, 0x25, 0x00, 0x00, 0x00, 0x10}, /* dummy line low */
	{0xa1, 0x21, 0x2a, 0x00, 0x00, 0x00, 0x00, 0x10}, /* EXHCH */
	{0xa1, 0x21, 0x2b, 0x00, 0x00, 0x00, 0x00, 0x10}, /* EXHCL */
/*	{0xa1, 0x21, 0x02, 0x90, 0x00, 0x00, 0x00, 0x10},  * RED */
/****** (some exchanges in the win trace) ******/
/******!! startsensor KO if changed !!****/
/*fixme: param3*/
	{0xa1, 0x21, 0x93, 0x01, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x92, 0xff, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x2a, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x2b, 0xc3, 0x00, 0x00, 0x00, 0x10},
	{}
};

static const u8 po1030_sensor_init[][8] = {
/* the sensor registers are described in m5602/m5602_po1030.h */
	{0xa1, 0x6e, 0x3f, 0x20, 0x00, 0x00, 0x00, 0x10}, /* sensor reset */
	{0xdd, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* delay 20ms */
	{0xa1, 0x6e, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x6e, 0x3e, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x04, 0x02, 0xb1, 0x02, 0x39, 0x10},
	{0xd1, 0x6e, 0x08, 0x00, 0x01, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x0c, 0x02, 0x7f, 0x01, 0xe0, 0x10},
	{0xd1, 0x6e, 0x12, 0x03, 0x02, 0x00, 0x03, 0x10},
	{0xd1, 0x6e, 0x16, 0x85, 0x40, 0x4a, 0x40, 0x10}, /* r/g1/b/g2 gains */
	{0xc1, 0x6e, 0x1a, 0x00, 0x80, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x1d, 0x08, 0x03, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x23, 0x00, 0xb0, 0x00, 0x94, 0x10},
	{0xd1, 0x6e, 0x27, 0x58, 0x00, 0x00, 0x00, 0x10},
	{0xb1, 0x6e, 0x2b, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x2d, 0x14, 0x35, 0x61, 0x84, 0x10}, /* gamma corr */
	{0xd1, 0x6e, 0x31, 0xa2, 0xbd, 0xd8, 0xff, 0x10},
	{0xd1, 0x6e, 0x35, 0x06, 0x1e, 0x12, 0x02, 0x10}, /* color matrix */
	{0xd1, 0x6e, 0x39, 0xaa, 0x53, 0x37, 0xd5, 0x10},
	{0xa1, 0x6e, 0x3d, 0xf2, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x3e, 0x00, 0x00, 0x80, 0x03, 0x10},
	{0xd1, 0x6e, 0x42, 0x03, 0x00, 0x00, 0x00, 0x10},
	{0xc1, 0x6e, 0x46, 0x00, 0x80, 0x80, 0x00, 0x10},
	{0xd1, 0x6e, 0x4b, 0x02, 0xef, 0x08, 0xcd, 0x10},
	{0xd1, 0x6e, 0x4f, 0x00, 0xd0, 0x00, 0xa0, 0x10},
	{0xd1, 0x6e, 0x53, 0x01, 0xaa, 0x01, 0x40, 0x10},
	{0xd1, 0x6e, 0x5a, 0x50, 0x04, 0x30, 0x03, 0x10}, /* raw rgb bayer */
	{0xa1, 0x6e, 0x5e, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x5f, 0x10, 0x40, 0xff, 0x00, 0x10},

	{0xd1, 0x6e, 0x63, 0x40, 0x40, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x67, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x6b, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x6f, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xc1, 0x6e, 0x73, 0x10, 0x80, 0xeb, 0x00, 0x10},
	{}
};
static const u8 po1030_sensor_param1[][8] = {
/* from ms-win traces - these values change with auto gain/expo/wb.. */
	{0xa1, 0x6e, 0x1e, 0x03, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x6e, 0x1e, 0x03, 0x00, 0x00, 0x00, 0x10},
/* mean values */
	{0xc1, 0x6e, 0x1a, 0x02, 0xd4, 0xa4, 0x00, 0x10}, /* integlines */
	{0xa1, 0x6e, 0x15, 0x04, 0x00, 0x00, 0x00, 0x10}, /* global gain */
	{0xc1, 0x6e, 0x16, 0x40, 0x40, 0x40, 0x00, 0x10}, /* r/g1/b gains */

	{0xa1, 0x6e, 0x1d, 0x08, 0x00, 0x00, 0x00, 0x10}, /* control1 */
	{0xa1, 0x6e, 0x06, 0x02, 0x00, 0x00, 0x00, 0x10}, /* frameheight */
	{0xa1, 0x6e, 0x07, 0xd5, 0x00, 0x00, 0x00, 0x10},
/*	{0xc1, 0x6e, 0x16, 0x49, 0x40, 0x45, 0x00, 0x10}, */
	{}
};

static const u8 po2030n_sensor_init[][8] = {
	{0xa1, 0x6e, 0x1e, 0x1a, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x6e, 0x1f, 0x99, 0x00, 0x00, 0x00, 0x10},
	{0xdd, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* delay 10ms */
	{0xa1, 0x6e, 0x1e, 0x0a, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x6e, 0x1f, 0x19, 0x00, 0x00, 0x00, 0x10},
	{0xdd, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* delay 10ms */
	{0xa1, 0x6e, 0x20, 0x44, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x6e, 0x04, 0x03, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x6e, 0x05, 0x70, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x6e, 0x06, 0x02, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x6e, 0x07, 0x25, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x08, 0x00, 0xd0, 0x00, 0x08, 0x10},
	{0xd1, 0x6e, 0x0c, 0x03, 0x50, 0x01, 0xe8, 0x10},
	{0xd1, 0x6e, 0x1d, 0x20, 0x0a, 0x19, 0x44, 0x10},
	{0xd1, 0x6e, 0x21, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x25, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x29, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x2d, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x31, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x35, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x39, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x3d, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x41, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x45, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x49, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x4d, 0x00, 0x00, 0x00, 0xed, 0x10},
	{0xd1, 0x6e, 0x51, 0x17, 0x4a, 0x2f, 0xc0, 0x10},
	{0xd1, 0x6e, 0x55, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x59, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x5d, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x61, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x65, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x69, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x6d, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x71, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x75, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x79, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x7d, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x81, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x85, 0x00, 0x00, 0x00, 0x08, 0x10},
	{0xd1, 0x6e, 0x89, 0x01, 0xe8, 0x00, 0x01, 0x10},
	{0xa1, 0x6e, 0x8d, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x21, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x25, 0x00, 0x00, 0x00, 0x01, 0x10},
	{0xd1, 0x6e, 0x29, 0xe6, 0x00, 0xbd, 0x03, 0x10},
	{0xd1, 0x6e, 0x2d, 0x41, 0x38, 0x68, 0x40, 0x10},
	{0xd1, 0x6e, 0x31, 0x2b, 0x00, 0x36, 0x00, 0x10},
	{0xd1, 0x6e, 0x35, 0x30, 0x30, 0x08, 0x00, 0x10},
	{0xd1, 0x6e, 0x39, 0x00, 0x00, 0x33, 0x06, 0x10},
	{0xb1, 0x6e, 0x3d, 0x06, 0x02, 0x00, 0x00, 0x10},
	{}
};
static const u8 po2030n_sensor_param1[][8] = {
	{0xa1, 0x6e, 0x1a, 0x01, 0x00, 0x00, 0x00, 0x10},
	{0xdd, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* delay 8ms */
	{0xa1, 0x6e, 0x1b, 0xf4, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x6e, 0x15, 0x04, 0x00, 0x00, 0x00, 0x10},
	{0xd1, 0x6e, 0x16, 0x50, 0x40, 0x49, 0x40, 0x10},
/*param2*/
	{0xa1, 0x6e, 0x1d, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x6e, 0x04, 0x03, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x6e, 0x05, 0x6f, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x6e, 0x06, 0x02, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x6e, 0x07, 0x25, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x6e, 0x15, 0x04, 0x00, 0x00, 0x00, 0x10},
	{0xc1, 0x6e, 0x16, 0x52, 0x40, 0x48, 0x00, 0x10},
/*after start*/
	{0xa1, 0x6e, 0x15, 0x0f, 0x00, 0x00, 0x00, 0x10},
	{0xdd, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* delay 5ms */
	{0xa1, 0x6e, 0x1a, 0x05, 0x00, 0x00, 0x00, 0x10},
	{0xdd, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* delay 5ms */
	{0xa1, 0x6e, 0x1b, 0x53, 0x00, 0x00, 0x00, 0x10},
	{}
};

static const u8 soi768_sensor_init[][8] = {
	{0xa1, 0x21, 0x12, 0x80, 0x00, 0x00, 0x00, 0x10}, /* reset */
	{0xdd, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* delay 96ms */
	{0xa1, 0x21, 0x12, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x13, 0x80, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x0f, 0x03, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x19, 0x00, 0x00, 0x00, 0x00, 0x10},
	{}
};
static const u8 soi768_sensor_param1[][8] = {
	{0xa1, 0x21, 0x10, 0x10, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x2d, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x2e, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xb1, 0x21, 0x01, 0x7f, 0x7f, 0x00, 0x00, 0x10},
/* */
/*	{0xa1, 0x21, 0x2e, 0x00, 0x00, 0x00, 0x00, 0x10}, */
/*	{0xa1, 0x21, 0x2d, 0x25, 0x00, 0x00, 0x00, 0x10}, */
	{0xa1, 0x21, 0x2b, 0x00, 0x00, 0x00, 0x00, 0x10},
/*	{0xb1, 0x21, 0x2d, 0x00, 0x00, 0x00, 0x00, 0x10}, */
	{0xa1, 0x21, 0x02, 0x8d, 0x00, 0x00, 0x00, 0x10},
/* the next sequence should be used for auto gain */
	{0xa1, 0x21, 0x00, 0x07, 0x00, 0x00, 0x00, 0x10},
			/* global gain ? : 07 - change with 0x15 at the end */
	{0xa1, 0x21, 0x10, 0x3f, 0x00, 0x00, 0x00, 0x10}, /* ???? : 063f */
	{0xa1, 0x21, 0x04, 0x06, 0x00, 0x00, 0x00, 0x10},
	{0xb1, 0x21, 0x2d, 0x00, 0x02, 0x00, 0x00, 0x10},
			/* exposure ? : 0200 - change with 0x1e at the end */
	{}
};

static const u8 sp80708_sensor_init[][8] = {
	{0xa1, 0x18, 0x06, 0xf9, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x09, 0x1f, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x0d, 0xc0, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x0c, 0x04, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x0f, 0x0f, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x10, 0x40, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x11, 0x4e, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x12, 0x53, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x15, 0x80, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x18, 0x18, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x19, 0x18, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x1a, 0x10, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x1b, 0x10, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x1c, 0x28, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x1d, 0x02, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x1e, 0x10, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x26, 0x04, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x27, 0x1e, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x28, 0x5a, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x29, 0x28, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x2a, 0x78, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x2b, 0x01, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x2c, 0xf7, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x2d, 0x2d, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x2e, 0xd5, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x39, 0x42, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x3a, 0x67, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x3b, 0x87, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x3c, 0xa3, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x3d, 0xb0, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x3e, 0xbc, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x3f, 0xc8, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x40, 0xd4, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x41, 0xdf, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x42, 0xea, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x43, 0xf5, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x45, 0x80, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x46, 0x60, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x47, 0x50, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x48, 0x30, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x49, 0x01, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x4d, 0xae, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x4e, 0x03, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x4f, 0x66, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x50, 0x1c, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x44, 0x10, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x4a, 0x30, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x51, 0x80, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x52, 0x80, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x53, 0x80, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x54, 0x80, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x55, 0x80, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x56, 0x80, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x57, 0xe0, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x58, 0xc0, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x59, 0xab, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x5a, 0xa0, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x5b, 0x99, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x5c, 0x90, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x5e, 0x24, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x5f, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x60, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x61, 0x73, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x63, 0x42, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x64, 0x42, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x65, 0x42, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x66, 0x24, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x67, 0x24, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x68, 0x08, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x2f, 0xc9, 0x00, 0x00, 0x00, 0x10},
	{}
};
static const u8 sp80708_sensor_param1[][8] = {
	{0xa1, 0x18, 0x0c, 0x04, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x0c, 0x04, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x03, 0x01, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x04, 0xa4, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x14, 0x3f, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x18, 0x5d, 0x80, 0x00, 0x00, 0x00, 0x10},
	{0xb1, 0x18, 0x11, 0x40, 0x40, 0x00, 0x00, 0x10},
	{}
};

static const u8 (*sensor_init[])[8] = {
[SENSOR_ADCM1700] =	adcm1700_sensor_init,
[SENSOR_GC0307] =	gc0307_sensor_init,
[SENSOR_HV7131R] =	hv7131r_sensor_init,
[SENSOR_MI0360] =	mi0360_sensor_init,
[SENSOR_MO4000] =	mo4000_sensor_init,
[SENSOR_MT9V111] =	mt9v111_sensor_init,
[SENSOR_OM6802] =	om6802_sensor_init,
[SENSOR_OV7630] =	ov7630_sensor_init,
[SENSOR_OV7648] =	ov7648_sensor_init,
[SENSOR_OV7660] =	ov7660_sensor_init,
[SENSOR_PO1030] =	po1030_sensor_init,
[SENSOR_PO2030N] =	po2030n_sensor_init,
[SENSOR_SOI768] =	soi768_sensor_init,
[SENSOR_SP80708] =	sp80708_sensor_init,
};

/* read <len> bytes to gspca_dev->usb_buf */
static void reg_r(struct gspca_dev *gspca_dev,
		  u16 value, int len)
{
#ifdef GSPCA_DEBUG
	if (len > USB_BUF_SZ) {
		err("reg_r: buffer overflow");
		return;
	}
#endif
	usb_control_msg(gspca_dev->dev,
			usb_rcvctrlpipe(gspca_dev->dev, 0),
			0,
			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
			value, 0,
			gspca_dev->usb_buf, len,
			500);
	PDEBUG(D_USBI, "reg_r [%02x] -> %02x", value, gspca_dev->usb_buf[0]);
}

static void reg_w1(struct gspca_dev *gspca_dev,
		   u16 value,
		   u8 data)
{
	PDEBUG(D_USBO, "reg_w1 [%04x] = %02x", value, data);
	gspca_dev->usb_buf[0] = data;
	usb_control_msg(gspca_dev->dev,
			usb_sndctrlpipe(gspca_dev->dev, 0),
			0x08,
			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
			value,
			0,
			gspca_dev->usb_buf, 1,
			500);
}
static void reg_w(struct gspca_dev *gspca_dev,
			  u16 value,
			  const u8 *buffer,
			  int len)
{
	PDEBUG(D_USBO, "reg_w [%04x] = %02x %02x ..",
		value, buffer[0], buffer[1]);
#ifdef GSPCA_DEBUG
	if (len > USB_BUF_SZ) {
		err("reg_w: buffer overflow");
		return;
	}
#endif
	memcpy(gspca_dev->usb_buf, buffer, len);
	usb_control_msg(gspca_dev->dev,
			usb_sndctrlpipe(gspca_dev->dev, 0),
			0x08,
			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
			value, 0,
			gspca_dev->usb_buf, len,
			500);
}

/* I2C write 1 byte */
static void i2c_w1(struct gspca_dev *gspca_dev, u8 reg, u8 val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	PDEBUG(D_USBO, "i2c_w1 [%02x] = %02x", reg, val);
	switch (sd->sensor) {
	case SENSOR_ADCM1700:
	case SENSOR_OM6802:
	case SENSOR_GC0307:		/* i2c command = a0 (100 kHz) */
		gspca_dev->usb_buf[0] = 0x80 | (2 << 4);
		break;
	default:			/* i2c command = a1 (400 kHz) */
		gspca_dev->usb_buf[0] = 0x81 | (2 << 4);
		break;
	}
	gspca_dev->usb_buf[1] = sd->i2c_addr;
	gspca_dev->usb_buf[2] = reg;
	gspca_dev->usb_buf[3] = val;
	gspca_dev->usb_buf[4] = 0;
	gspca_dev->usb_buf[5] = 0;
	gspca_dev->usb_buf[6] = 0;
	gspca_dev->usb_buf[7] = 0x10;
	usb_control_msg(gspca_dev->dev,
			usb_sndctrlpipe(gspca_dev->dev, 0),
			0x08,
			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
			0x08,			/* value = i2c */
			0,
			gspca_dev->usb_buf, 8,
			500);
}

/* I2C write 8 bytes */
static void i2c_w8(struct gspca_dev *gspca_dev,
		   const u8 *buffer)
{
	PDEBUG(D_USBO, "i2c_w8 [%02x] = %02x ..",
		buffer[2], buffer[3]);
	memcpy(gspca_dev->usb_buf, buffer, 8);
	usb_control_msg(gspca_dev->dev,
			usb_sndctrlpipe(gspca_dev->dev, 0),
			0x08,
			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
			0x08, 0,		/* value, index */
			gspca_dev->usb_buf, 8,
			500);
	msleep(2);
}

/* sensor read 'len' (1..5) bytes in gspca_dev->usb_buf */
static void i2c_r(struct gspca_dev *gspca_dev, u8 reg, int len)
{
	struct sd *sd = (struct sd *) gspca_dev;
	u8 mode[8];

	switch (sd->sensor) {
	case SENSOR_ADCM1700:
	case SENSOR_OM6802:
	case SENSOR_GC0307:		/* i2c command = a0 (100 kHz) */
		mode[0] = 0x80 | 0x10;
		break;
	default:			/* i2c command = 91 (400 kHz) */
		mode[0] = 0x81 | 0x10;
		break;
	}
	mode[1] = sd->i2c_addr;
	mode[2] = reg;
	mode[3] = 0;
	mode[4] = 0;
	mode[5] = 0;
	mode[6] = 0;
	mode[7] = 0x10;
	i2c_w8(gspca_dev, mode);
	msleep(2);
	mode[0] = (mode[0] & 0x81) | (len << 4) | 0x02;
	mode[2] = 0;
	i2c_w8(gspca_dev, mode);
	msleep(2);
	reg_r(gspca_dev, 0x0a, 5);
}

static void i2c_w_seq(struct gspca_dev *gspca_dev,
			const u8 (*data)[8])
{
	while ((*data)[0] != 0) {
		if ((*data)[0] != 0xdd)
			i2c_w8(gspca_dev, *data);
		else
			msleep((*data)[1]);
		data++;
	}
}

static void hv7131r_probe(struct gspca_dev *gspca_dev)
{
	i2c_w1(gspca_dev, 0x02, 0);			/* sensor wakeup */
	msleep(10);
	reg_w1(gspca_dev, 0x02, 0x66);			/* Gpio on */
	msleep(10);
	i2c_r(gspca_dev, 0, 5);				/* read sensor id */
	if (gspca_dev->usb_buf[0] == 0x02
	    && gspca_dev->usb_buf[1] == 0x09
	    && gspca_dev->usb_buf[2] == 0x01
	    && gspca_dev->usb_buf[3] == 0x00
	    && gspca_dev->usb_buf[4] == 0x00) {
		PDEBUG(D_PROBE, "Sensor sn9c102P HV7131R found");
		return;
	}
	PDEBUG(D_PROBE, "Sensor 0x%02x 0x%02x 0x%02x - sn9c102P not found",
		gspca_dev->usb_buf[0], gspca_dev->usb_buf[1],
		gspca_dev->usb_buf[2]);
}

static void mi0360_probe(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	int i, j;
	u16 val = 0;
	static const u8 probe_tb[][4][8] = {
	    {					/* mi0360 */
		{0xb0, 0x5d, 0x07, 0x00, 0x02, 0x00, 0x00, 0x10},
		{0x90, 0x5d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10},
		{0xa2, 0x5d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10},
		{0xb0, 0x5d, 0x07, 0x00, 0x00, 0x00, 0x00, 0x10}
	    },
	    {					/* mt9v111 */
		{0xb0, 0x5c, 0x01, 0x00, 0x04, 0x00, 0x00, 0x10},
		{0x90, 0x5c, 0x36, 0x00, 0x00, 0x00, 0x00, 0x10},
		{0xa2, 0x5c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10},
		{}
	    },
	};

	for (i = 0; i < ARRAY_SIZE(probe_tb); i++) {
		reg_w1(gspca_dev, 0x17, 0x62);
		reg_w1(gspca_dev, 0x01, 0x08);
		for (j = 0; j < 3; j++)
			i2c_w8(gspca_dev, probe_tb[i][j]);
		msleep(2);
		reg_r(gspca_dev, 0x0a, 5);
		val = (gspca_dev->usb_buf[3] << 8) | gspca_dev->usb_buf[4];
		if (probe_tb[i][3][0] != 0)
			i2c_w8(gspca_dev, probe_tb[i][3]);
		reg_w1(gspca_dev, 0x01, 0x29);
		reg_w1(gspca_dev, 0x17, 0x42);
		if (val != 0xffff)
			break;
	}
	switch (val) {
	case 0x823a:
		PDEBUG(D_PROBE, "Sensor mt9v111");
		sd->sensor = SENSOR_MT9V111;
		break;
	case 0x8243:
		PDEBUG(D_PROBE, "Sensor mi0360");
		break;
	default:
		PDEBUG(D_PROBE, "Unknown sensor %04x - forced to mi0360", val);
		break;
	}
}

static void ov7630_probe(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	u16 val;

	/* check ov76xx */
	reg_w1(gspca_dev, 0x17, 0x62);
	reg_w1(gspca_dev, 0x01, 0x08);
	sd->i2c_addr = 0x21;
	i2c_r(gspca_dev, 0x0a, 2);
	val = (gspca_dev->usb_buf[3] << 8) | gspca_dev->usb_buf[4];
	reg_w1(gspca_dev, 0x01, 0x29);
	reg_w1(gspca_dev, 0x17, 0x42);
	if (val == 0x7628) {			/* soi768 */
		sd->sensor = SENSOR_SOI768;
/*fixme: only valid for 0c45:613e?*/
		gspca_dev->cam.input_flags =
				V4L2_IN_ST_VFLIP | V4L2_IN_ST_HFLIP;
		PDEBUG(D_PROBE, "Sensor soi768");
		return;
	}
	PDEBUG(D_PROBE, "Sensor ov%04x", val);
}

static void ov7648_probe(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	u16 val;

	/* check ov76xx */
	reg_w1(gspca_dev, 0x17, 0x62);
	reg_w1(gspca_dev, 0x01, 0x08);
	sd->i2c_addr = 0x21;
	i2c_r(gspca_dev, 0x0a, 2);
	val = (gspca_dev->usb_buf[3] << 8) | gspca_dev->usb_buf[4];
	reg_w1(gspca_dev, 0x01, 0x29);
	reg_w1(gspca_dev, 0x17, 0x42);
	if ((val & 0xff00) == 0x7600) {		/* ov76xx */
		PDEBUG(D_PROBE, "Sensor ov%04x", val);
		return;
	}

	/* check po1030 */
	reg_w1(gspca_dev, 0x17, 0x62);
	reg_w1(gspca_dev, 0x01, 0x08);
	sd->i2c_addr = 0x6e;
	i2c_r(gspca_dev, 0x00, 2);
	val = (gspca_dev->usb_buf[3] << 8) | gspca_dev->usb_buf[4];
	reg_w1(gspca_dev, 0x01, 0x29);
	reg_w1(gspca_dev, 0x17, 0x42);
	if (val == 0x1030) {			/* po1030 */
		PDEBUG(D_PROBE, "Sensor po1030");
		sd->sensor = SENSOR_PO1030;
		return;
	}

	PDEBUG(D_PROBE, "Unknown sensor %04x", val);
}

/* 0c45:6142 sensor may be po2030n, gc0305 or gc0307 */
static void po2030n_probe(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	u16 val;

	/* check gc0307 */
	reg_w1(gspca_dev, 0x17, 0x62);
	reg_w1(gspca_dev, 0x01, 0x08);
	reg_w1(gspca_dev, 0x02, 0x22);
	sd->i2c_addr = 0x21;
	i2c_r(gspca_dev, 0x00, 1);
	val = gspca_dev->usb_buf[4];
	reg_w1(gspca_dev, 0x01, 0x29);		/* reset */
	reg_w1(gspca_dev, 0x17, 0x42);
	if (val == 0x99) {			/* gc0307 (?) */
		PDEBUG(D_PROBE, "Sensor gc0307");
		sd->sensor = SENSOR_GC0307;
		return;
	}

	/* check po2030n */
	reg_w1(gspca_dev, 0x17, 0x62);
	reg_w1(gspca_dev, 0x01, 0x0a);
	sd->i2c_addr = 0x6e;
	i2c_r(gspca_dev, 0x00, 2);
	val = (gspca_dev->usb_buf[3] << 8) | gspca_dev->usb_buf[4];
	reg_w1(gspca_dev, 0x01, 0x29);
	reg_w1(gspca_dev, 0x17, 0x42);
	if (val == 0x2030) {
		PDEBUG(D_PROBE, "Sensor po2030n");
/*		sd->sensor = SENSOR_PO2030N; */
	} else {
		PDEBUG(D_PROBE, "Unknown sensor ID %04x", val);
	}
}

static void bridge_init(struct gspca_dev *gspca_dev,
			  const u8 *sn9c1xx)
{
	struct sd *sd = (struct sd *) gspca_dev;
	const u8 *reg9a;
	static const u8 reg9a_def[] =
		{0x00, 0x40, 0x20, 0x00, 0x00, 0x00};
	static const u8 reg9a_spec[] =
		{0x00, 0x40, 0x38, 0x30, 0x00, 0x20};
	static const u8 regd4[] = {0x60, 0x00, 0x00};

	/* sensor clock already enabled in sd_init */
	/* reg_w1(gspca_dev, 0xf1, 0x00); */
	reg_w1(gspca_dev, 0x01, sn9c1xx[1]);

	/* configure gpio */
	reg_w(gspca_dev, 0x01, &sn9c1xx[1], 2);
	reg_w(gspca_dev, 0x08, &sn9c1xx[8], 2);
	reg_w(gspca_dev, 0x17, &sn9c1xx[0x17], 5);
	switch (sd->sensor) {
	case SENSOR_GC0307:
	case SENSOR_OV7660:
	case SENSOR_PO1030:
	case SENSOR_PO2030N:
	case SENSOR_SOI768:
	case SENSOR_SP80708:
		reg9a = reg9a_spec;
		break;
	default:
		reg9a = reg9a_def;
		break;
	}
	reg_w(gspca_dev, 0x9a, reg9a, 6);

	reg_w(gspca_dev, 0xd4, regd4, sizeof regd4);

	reg_w(gspca_dev, 0x03, &sn9c1xx[3], 0x0f);

	switch (sd->sensor) {
	case SENSOR_ADCM1700:
		reg_w1(gspca_dev, 0x01, 0x43);
		reg_w1(gspca_dev, 0x17, 0x62);
		reg_w1(gspca_dev, 0x01, 0x42);
		reg_w1(gspca_dev, 0x01, 0x42);
		break;
	case SENSOR_GC0307:
		msleep(50);
		reg_w1(gspca_dev, 0x01, 0x61);
		reg_w1(gspca_dev, 0x17, 0x22);
		reg_w1(gspca_dev, 0x01, 0x60);
		reg_w1(gspca_dev, 0x01, 0x40);
		msleep(50);
		break;
	case SENSOR_MT9V111:
		reg_w1(gspca_dev, 0x01, 0x61);
		reg_w1(gspca_dev, 0x17, 0x61);
		reg_w1(gspca_dev, 0x01, 0x60);
		reg_w1(gspca_dev, 0x01, 0x40);
		break;
	case SENSOR_OM6802:
		msleep(10);
		reg_w1(gspca_dev, 0x02, 0x73);
		reg_w1(gspca_dev, 0x17, 0x60);
		reg_w1(gspca_dev, 0x01, 0x22);
		msleep(100);
		reg_w1(gspca_dev, 0x01, 0x62);
		reg_w1(gspca_dev, 0x17, 0x64);
		reg_w1(gspca_dev, 0x17, 0x64);
		reg_w1(gspca_dev, 0x01, 0x42);
		msleep(10);
		reg_w1(gspca_dev, 0x01, 0x42);
		i2c_w8(gspca_dev, om6802_init0[0]);
		i2c_w8(gspca_dev, om6802_init0[1]);
		msleep(15);
		reg_w1(gspca_dev, 0x02, 0x71);
		msleep(150);
		break;
	case SENSOR_OV7630:
		reg_w1(gspca_dev, 0x01, 0x61);
		reg_w1(gspca_dev, 0x17, 0xe2);
		reg_w1(gspca_dev, 0x01, 0x60);
		reg_w1(gspca_dev, 0x01, 0x40);
		break;
	case SENSOR_OV7648:
		reg_w1(gspca_dev, 0x01, 0x63);
		reg_w1(gspca_dev, 0x17, 0x20);
		reg_w1(gspca_dev, 0x01, 0x62);
		reg_w1(gspca_dev, 0x01, 0x42);
		break;
	case SENSOR_PO1030:
	case SENSOR_SOI768:
		reg_w1(gspca_dev, 0x01, 0x61);
		reg_w1(gspca_dev, 0x17, 0x20);
		reg_w1(gspca_dev, 0x01, 0x60);
		reg_w1(gspca_dev, 0x01, 0x40);
		break;
	case SENSOR_PO2030N:
		reg_w1(gspca_dev, 0x01, 0x63);
		reg_w1(gspca_dev, 0x17, 0x20);
		reg_w1(gspca_dev, 0x01, 0x62);
		reg_w1(gspca_dev, 0x01, 0x42);
		break;
	case SENSOR_OV7660:
		/* fall thru */
	case SENSOR_SP80708:
		reg_w1(gspca_dev, 0x01, 0x63);
		reg_w1(gspca_dev, 0x17, 0x20);
		reg_w1(gspca_dev, 0x01, 0x62);
		reg_w1(gspca_dev, 0x01, 0x42);
		msleep(100);
		reg_w1(gspca_dev, 0x02, 0x62);
		break;
	default:
/*	case SENSOR_HV7131R: */
/*	case SENSOR_MI0360: */
/*	case SENSOR_MO4000: */
		reg_w1(gspca_dev, 0x01, 0x43);
		reg_w1(gspca_dev, 0x17, 0x61);
		reg_w1(gspca_dev, 0x01, 0x42);
		if (sd->sensor == SENSOR_HV7131R
		    && sd->bridge == BRIDGE_SN9C102P)
			hv7131r_probe(gspca_dev);
		break;
	}
}

/* this function is called at probe time */
static int sd_config(struct gspca_dev *gspca_dev,
			const struct usb_device_id *id)
{
	struct sd *sd = (struct sd *) gspca_dev;
	struct cam *cam;

	sd->bridge = id->driver_info >> 16;
	sd->sensor = id->driver_info;

	cam = &gspca_dev->cam;
	if (sd->sensor == SENSOR_ADCM1700) {
		cam->cam_mode = cif_mode;
		cam->nmodes = ARRAY_SIZE(cif_mode);
	} else {
		cam->cam_mode = vga_mode;
		cam->nmodes = ARRAY_SIZE(vga_mode);
	}
	cam->npkt = 24;			/* 24 packets per ISOC message */

	sd->brightness = BRIGHTNESS_DEF;
	sd->contrast = CONTRAST_DEF;
	sd->colors = COLOR_DEF;
	sd->blue = BLUE_BALANCE_DEF;
	sd->red = RED_BALANCE_DEF;
	sd->gamma = GAMMA_DEF;
	sd->autogain = AUTOGAIN_DEF;
	sd->ag_cnt = -1;
	sd->vflip = VFLIP_DEF;
	switch (sd->sensor) {
	case SENSOR_OM6802:
		sd->sharpness = 0x10;
		break;
	default:
		sd->sharpness = SHARPNESS_DEF;
		break;
	}
	sd->infrared = INFRARED_DEF;
	sd->freq = FREQ_DEF;
	sd->quality = QUALITY_DEF;
	sd->jpegqual = 80;

	return 0;
}

/* this function is called at probe and resume time */
static int sd_init(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	const u8 *sn9c1xx;
	u8 regGpio[] = { 0x29, 0x74 };
	u8 regF1;

	/* setup a selector by bridge */
	reg_w1(gspca_dev, 0xf1, 0x01);
	reg_r(gspca_dev, 0x00, 1);
	reg_w1(gspca_dev, 0xf1, gspca_dev->usb_buf[0]);
	reg_r(gspca_dev, 0x00, 1);		/* get sonix chip id */
	regF1 = gspca_dev->usb_buf[0];
	PDEBUG(D_PROBE, "Sonix chip id: %02x", regF1);
	switch (sd->bridge) {
	case BRIDGE_SN9C102P:
		if (regF1 != 0x11)
			return -ENODEV;
		reg_w1(gspca_dev, 0x02, regGpio[1]);
		break;
	case BRIDGE_SN9C105:
		if (regF1 != 0x11)
			return -ENODEV;
		if (sd->sensor == SENSOR_MI0360)
			mi0360_probe(gspca_dev);
		reg_w(gspca_dev, 0x01, regGpio, 2);
		break;
	case BRIDGE_SN9C120:
		if (regF1 != 0x12)
			return -ENODEV;
		switch (sd->sensor) {
		case SENSOR_MI0360:
			mi0360_probe(gspca_dev);
			break;
		case SENSOR_OV7630:
			ov7630_probe(gspca_dev);
			break;
		case SENSOR_OV7648:
			ov7648_probe(gspca_dev);
			break;
		case SENSOR_PO2030N:
			po2030n_probe(gspca_dev);
			break;
		}
		regGpio[1] = 0x70;
		reg_w(gspca_dev, 0x01, regGpio, 2);
		break;
	default:
/*	case BRIDGE_SN9C110: */
/*	case BRIDGE_SN9C325: */
		if (regF1 != 0x12)
			return -ENODEV;
		reg_w1(gspca_dev, 0x02, 0x62);
		break;
	}

	/* Note we do not disable the sensor clock here (power saving mode),
	   as that also disables the button on the cam. */
	reg_w1(gspca_dev, 0xf1, 0x00);

	/* set the i2c address */
	sn9c1xx = sn_tb[sd->sensor];
	sd->i2c_addr = sn9c1xx[9];

	gspca_dev->ctrl_dis = ctrl_dis[sd->sensor];

	return 0;
}

static u32 setexposure(struct gspca_dev *gspca_dev,
			u32 expo)
{
	struct sd *sd = (struct sd *) gspca_dev;

	switch (sd->sensor) {
	case SENSOR_GC0307: {
		int a, b;

		/* expo = 0..255 -> a = 19..43 */
		a = 19 + expo * 25 / 256;
		i2c_w1(gspca_dev, 0x68, a);
		a -= 12;
		b = a * a * 4;			/* heuristic */
		i2c_w1(gspca_dev, 0x03, b >> 8);
		i2c_w1(gspca_dev, 0x04, b);
		break;
	    }
	case SENSOR_HV7131R: {
		u8 Expodoit[] =
			{ 0xc1, 0x11, 0x25, 0x00, 0x00, 0x00, 0x00, 0x16 };

		Expodoit[3] = expo >> 16;
		Expodoit[4] = expo >> 8;
		Expodoit[5] = expo;
		i2c_w8(gspca_dev, Expodoit);
		break;
	    }
	case SENSOR_MI0360: {
		u8 expoMi[] =		/* exposure 0x0635 -> 4 fp/s 0x10 */
			{ 0xb1, 0x5d, 0x09, 0x00, 0x00, 0x00, 0x00, 0x16 };
		static const u8 doit[] =		/* update sensor */
			{ 0xb1, 0x5d, 0x07, 0x00, 0x03, 0x00, 0x00, 0x10 };
		static const u8 sensorgo[] =		/* sensor on */
			{ 0xb1, 0x5d, 0x07, 0x00, 0x02, 0x00, 0x00, 0x10 };

		if (expo > 0x0635)
			expo = 0x0635;
		else if (expo < 0x0001)
			expo = 0x0001;
		expoMi[3] = expo >> 8;
		expoMi[4] = expo;
		i2c_w8(gspca_dev, expoMi);
		i2c_w8(gspca_dev, doit);
		i2c_w8(gspca_dev, sensorgo);
		break;
	    }
	case SENSOR_MO4000: {
		u8 expoMof[] =
			{ 0xa1, 0x21, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x10 };
		u8 expoMo10[] =
			{ 0xa1, 0x21, 0x10, 0x00, 0x00, 0x00, 0x00, 0x10 };
		static const u8 gainMo[] =
			{ 0xa1, 0x21, 0x00, 0x10, 0x00, 0x00, 0x00, 0x1d };

		if (expo > 0x1fff)
			expo = 0x1fff;
		else if (expo < 0x0001)
			expo = 0x0001;
		expoMof[3] = (expo & 0x03fc) >> 2;
		i2c_w8(gspca_dev, expoMof);
		expoMo10[3] = ((expo & 0x1c00) >> 10)
				| ((expo & 0x0003) << 4);
		i2c_w8(gspca_dev, expoMo10);
		i2c_w8(gspca_dev, gainMo);
		PDEBUG(D_FRAM, "set exposure %d",
			((expoMo10[3] & 0x07) << 10)
			| (expoMof[3] << 2)
			| ((expoMo10[3] & 0x30) >> 4));
		break;
	    }
	case SENSOR_MT9V111: {
		u8 expo_c1[] =
			{ 0xb1, 0x5c, 0x09, 0x00, 0x00, 0x00, 0x00, 0x10 };

		if (expo > 0x0280)
			expo = 0x0280;
		else if (expo < 0x0040)
			expo = 0x0040;
		expo_c1[3] = expo >> 8;
		expo_c1[4] = expo;
		i2c_w8(gspca_dev, expo_c1);
		break;
	    }
	case SENSOR_OM6802: {
		u8 gainOm[] =
			{ 0xa0, 0x34, 0xe5, 0x00, 0x00, 0x00, 0x00, 0x10 };
				/* preset AGC - works when AutoExpo = off */

		if (expo > 0x03ff)
			expo = 0x03ff;
		 if (expo < 0x0001)
			expo = 0x0001;
		gainOm[3] = expo >> 2;
		i2c_w8(gspca_dev, gainOm);
		reg_w1(gspca_dev, 0x96, expo >> 5);
		PDEBUG(D_FRAM, "set exposure %d", gainOm[3]);
		break;
	    }
	}
	return expo;
}

static void setbrightness(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	unsigned int expo;
	u8 k2;

	k2 = ((int) sd->brightness - 0x8000) >> 10;
	switch (sd->sensor) {
	case SENSOR_ADCM1700:
		if (k2 > 0x1f)
			k2 = 0;		/* only positive Y offset */
		break;
	case SENSOR_HV7131R:
		expo = sd->brightness << 4;
		if (expo > 0x002dc6c0)
			expo = 0x002dc6c0;
		else if (expo < 0x02a0)
			expo = 0x02a0;
		sd->exposure = setexposure(gspca_dev, expo);
		break;
	case SENSOR_MI0360:
	case SENSOR_MO4000:
		expo = sd->brightness >> 4;
		sd->exposure = setexposure(gspca_dev, expo);
		break;
	case SENSOR_GC0307:
	case SENSOR_MT9V111:
		expo = sd->brightness >> 8;
		sd->exposure = setexposure(gspca_dev, expo);
		return;			/* don't set the Y offset */
	case SENSOR_OM6802:
		expo = sd->brightness >> 6;
		sd->exposure = setexposure(gspca_dev, expo);
		k2 = sd->brightness >> 11;
		break;
	}

	reg_w1(gspca_dev, 0x96, k2);	/* color matrix Y offset */
}

static void setcontrast(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	u8 k2;
	u8 contrast[6];

	k2 = sd->contrast * 0x30 / (CONTRAST_MAX + 1) + 0x10;	/* 10..40 */
	contrast[0] = (k2 + 1) / 2;		/* red */
	contrast[1] = 0;
	contrast[2] = k2;			/* green */
	contrast[3] = 0;
	contrast[4] = (k2 + 1) / 5;		/* blue */
	contrast[5] = 0;
	reg_w(gspca_dev, 0x84, contrast, sizeof contrast);
}

static void setcolors(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	int i, v;
	u8 reg8a[12];			/* U & V gains */
	static const s16 uv[6] = {	/* same as reg84 in signed decimal */
		-24, -38, 64,		/* UR UG UB */
		 62, -51, -9		/* VR VG VB */
	};

	for (i = 0; i < 6; i++) {
		v = uv[i] * sd->colors / COLOR_DEF;
		reg8a[i * 2] = v;
		reg8a[i * 2 + 1] = (v >> 8) & 0x0f;
	}
	reg_w(gspca_dev, 0x8a, reg8a, sizeof reg8a);
}

static void setredblue(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;

	reg_w1(gspca_dev, 0x05, sd->red);
/*	reg_w1(gspca_dev, 0x07, 32); */
	reg_w1(gspca_dev, 0x06, sd->blue);
}

static void setgamma(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	int i;
	u8 gamma[17];
	const u8 *gamma_base;
	static const u8 delta[17] = {
		0x00, 0x14, 0x1c, 0x1c, 0x1c, 0x1c, 0x1b, 0x1a,
		0x18, 0x13, 0x10, 0x0e, 0x08, 0x07, 0x04, 0x02, 0x00
	};

	switch (sd->sensor) {
	case SENSOR_ADCM1700:
		gamma_base = gamma_spec_0;
		break;
	case SENSOR_HV7131R:
	case SENSOR_MT9V111:
		gamma_base = gamma_spec_1;
		break;
	case SENSOR_GC0307:
		gamma_base = gamma_spec_2;
		break;
	case SENSOR_SP80708:
		gamma_base = gamma_spec_3;
		break;
	default:
		gamma_base = gamma_def;
		break;
	}

	for (i = 0; i < sizeof gamma; i++)
		gamma[i] = gamma_base[i]
			+ delta[i] * (sd->gamma - GAMMA_DEF) / 32;
	reg_w(gspca_dev, 0x20, gamma, sizeof gamma);
}

static void setautogain(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;

	if (gspca_dev->ctrl_dis & (1 << AUTOGAIN_IDX))
		return;
	switch (sd->sensor) {
	case SENSOR_OV7630:
	case SENSOR_OV7648: {
		u8 comb;

		if (sd->sensor == SENSOR_OV7630)
			comb = 0xc0;
		else
			comb = 0xa0;
		if (sd->autogain)
			comb |= 0x03;
		i2c_w1(&sd->gspca_dev, 0x13, comb);
		return;
	    }
	}
	if (sd->autogain)
		sd->ag_cnt = AG_CNT_START;
	else
		sd->ag_cnt = -1;
}

/* hv7131r/ov7630/ov7648 only */
static void setvflip(struct sd *sd)
{
	u8 comn;

	if (sd->gspca_dev.ctrl_dis & (1 << VFLIP_IDX))
		return;
	switch (sd->sensor) {
	case SENSOR_HV7131R:
		comn = 0x18;			/* clkdiv = 1, ablcen = 1 */
		if (sd->vflip)
			comn |= 0x01;
		i2c_w1(&sd->gspca_dev, 0x01, comn);	/* sctra */
		break;
	case SENSOR_OV7630:
		comn = 0x02;
		if (!sd->vflip)
			comn |= 0x80;
		i2c_w1(&sd->gspca_dev, 0x75, comn);
		break;
	default:
/*	case SENSOR_OV7648: */
		comn = 0x06;
		if (sd->vflip)
			comn |= 0x80;
		i2c_w1(&sd->gspca_dev, 0x75, comn);
		break;
	}
}

static void setsharpness(struct sd *sd)
{
	reg_w1(&sd->gspca_dev, 0x99, sd->sharpness);
}

static void setinfrared(struct sd *sd)
{
	if (sd->gspca_dev.ctrl_dis & (1 << INFRARED_IDX))
		return;
/*fixme: different sequence for StarCam Clip and StarCam 370i */
/* Clip */
	i2c_w1(&sd->gspca_dev, 0x02,			/* gpio */
		sd->infrared ? 0x66 : 0x64);
}

static void setfreq(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;

	if (gspca_dev->ctrl_dis & (1 << FREQ_IDX))
		return;
	if (sd->sensor == SENSOR_OV7660) {
		u8 com8;

		com8 = 0xdf;		/* auto gain/wb/expo */
		switch (sd->freq) {
		case 0: /* Banding filter disabled */
			i2c_w1(gspca_dev, 0x13, com8 | 0x20);
			break;
		case 1: /* 50 hz */
			i2c_w1(gspca_dev, 0x13, com8);
			i2c_w1(gspca_dev, 0x3b, 0x0a);
			break;
		case 2: /* 60 hz */
			i2c_w1(gspca_dev, 0x13, com8);
			i2c_w1(gspca_dev, 0x3b, 0x02);
			break;
		}
	} else {
		u8 reg2a = 0, reg2b = 0, reg2d = 0;

		/* Get reg2a / reg2d base values */
		switch (sd->sensor) {
		case SENSOR_OV7630:
			reg2a = 0x08;
			reg2d = 0x01;
			break;
		case SENSOR_OV7648:
			reg2a = 0x11;
			reg2d = 0x81;
			break;
		}

		switch (sd->freq) {
		case 0: /* Banding filter disabled */
			break;
		case 1: /* 50 hz (filter on and framerate adj) */
			reg2a |= 0x80;
			reg2b = 0xac;
			reg2d |= 0x04;
			break;
		case 2: /* 60 hz (filter on, no framerate adj) */
			reg2a |= 0x80;
			reg2d |= 0x04;
			break;
		}
		i2c_w1(gspca_dev, 0x2a, reg2a);
		i2c_w1(gspca_dev, 0x2b, reg2b);
		i2c_w1(gspca_dev, 0x2d, reg2d);
	}
}

static void setjpegqual(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	int i, sc;

	if (sd->jpegqual < 50)
		sc = 5000 / sd->jpegqual;
	else
		sc = 200 - sd->jpegqual * 2;
#if USB_BUF_SZ < 64
#error "No room enough in usb_buf for quantization table"
#endif
	for (i = 0; i < 64; i++)
		gspca_dev->usb_buf[i] =
			(jpeg_head[JPEG_QT0_OFFSET + i] * sc + 50) / 100;
	usb_control_msg(gspca_dev->dev,
			usb_sndctrlpipe(gspca_dev->dev, 0),
			0x08,
			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
			0x0100, 0,
			gspca_dev->usb_buf, 64,
			500);
	for (i = 0; i < 64; i++)
		gspca_dev->usb_buf[i] =
			(jpeg_head[JPEG_QT1_OFFSET + i] * sc + 50) / 100;
	usb_control_msg(gspca_dev->dev,
			usb_sndctrlpipe(gspca_dev->dev, 0),
			0x08,
			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
			0x0140, 0,
			gspca_dev->usb_buf, 64,
			500);

	sd->reg18 ^= 0x40;
	reg_w1(gspca_dev, 0x18, sd->reg18);
}

/* -- start the camera -- */
static int sd_start(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	int i;
	u8 reg1, reg2, reg17;
	const u8 *sn9c1xx;
	const u8 (*init)[8];
	int mode;
	static const u8 C0[] = { 0x2d, 0x2d, 0x3a, 0x05, 0x04, 0x3f };
	static const u8 CA[] = { 0x28, 0xd8, 0x14, 0xec };
	static const u8 CA_adcm1700[] =
				{ 0x14, 0xec, 0x0a, 0xf6 };
	static const u8 CA_po2030n[] =
				{ 0x1e, 0xe2, 0x14, 0xec };
	static const u8 CE[] = { 0x32, 0xdd, 0x2d, 0xdd };	/* MI0360 */
	static const u8 CE_gc0307[] =
				{ 0x32, 0xce, 0x2d, 0xd3 };
	static const u8 CE_ov76xx[] =
				{ 0x32, 0xdd, 0x32, 0xdd };
	static const u8 CE_po2030n[] =
				{ 0x14, 0xe7, 0x1e, 0xdd };

	/* create the JPEG header */
	jpeg_define(sd->jpeg_hdr, gspca_dev->height, gspca_dev->width,
			0x21);		/* JPEG 422 */
	jpeg_set_qual(sd->jpeg_hdr, sd->quality);

	/* initialize the bridge */
	sn9c1xx = sn_tb[sd->sensor];
	bridge_init(gspca_dev, sn9c1xx);

	/* initialize the sensor */
	i2c_w_seq(gspca_dev, sensor_init[sd->sensor]);

	switch (sd->sensor) {
	case SENSOR_ADCM1700:
		reg2 = 0x60;
		break;
	case SENSOR_OM6802:
		reg2 = 0x71;
		break;
	case SENSOR_SP80708:
		reg2 = 0x62;
		break;
	default:
		reg2 = 0x40;
		break;
	}
	reg_w1(gspca_dev, 0x02, reg2);
	reg_w1(gspca_dev, 0x02, reg2);

	reg_w1(gspca_dev, 0x15, sn9c1xx[0x15]);
	reg_w1(gspca_dev, 0x16, sn9c1xx[0x16]);
	reg_w1(gspca_dev, 0x12, sn9c1xx[0x12]);
	reg_w1(gspca_dev, 0x13, sn9c1xx[0x13]);
	reg_w1(gspca_dev, 0x18, sn9c1xx[0x18]);
	if (sd->sensor == SENSOR_ADCM1700) {
		reg_w1(gspca_dev, 0xd2, 0x3a);	/* AE_H_SIZE = 116 */
		reg_w1(gspca_dev, 0xd3, 0x30);	/* AE_V_SIZE = 96 */
	} else {
		reg_w1(gspca_dev, 0xd2, 0x6a);	/* AE_H_SIZE = 212 */
		reg_w1(gspca_dev, 0xd3, 0x50);	/* AE_V_SIZE = 160 */
	}
	reg_w1(gspca_dev, 0xc6, 0x00);
	reg_w1(gspca_dev, 0xc7, 0x00);
	if (sd->sensor == SENSOR_ADCM1700) {
		reg_w1(gspca_dev, 0xc8, 0x2c);	/* AW_H_STOP = 352 */
		reg_w1(gspca_dev, 0xc9, 0x24);	/* AW_V_STOP = 288 */
	} else {
		reg_w1(gspca_dev, 0xc8, 0x50);	/* AW_H_STOP = 640 */
		reg_w1(gspca_dev, 0xc9, 0x3c);	/* AW_V_STOP = 480 */
	}
	reg_w1(gspca_dev, 0x18, sn9c1xx[0x18]);
	switch (sd->sensor) {
	case SENSOR_GC0307:
		reg17 = 0xa2;
		break;
	case SENSOR_MT9V111:
		reg17 = 0xe0;
		break;
	case SENSOR_ADCM1700:
	case SENSOR_OV7630:
		reg17 = 0xe2;
		break;
	case SENSOR_OV7648:
		reg17 = 0x20;
		break;
	case SENSOR_OV7660:
	case SENSOR_SOI768:
		reg17 = 0xa0;
		break;
	case SENSOR_PO1030:
	case SENSOR_PO2030N:
		reg17 = 0xa0;
		break;
	default:
		reg17 = 0x60;
		break;
	}
	reg_w1(gspca_dev, 0x17, reg17);

	reg_w1(gspca_dev, 0x05, 0x00);		/* red */
	reg_w1(gspca_dev, 0x07, 0x00);		/* green */
	reg_w1(gspca_dev, 0x06, 0x00);		/* blue */
	reg_w1(gspca_dev, 0x14, sn9c1xx[0x14]);

	setgamma(gspca_dev);

/*fixme: 8 times with all zeroes and 1 or 2 times with normal values */
	for (i = 0; i < 8; i++)
		reg_w(gspca_dev, 0x84, reg84, sizeof reg84);
	switch (sd->sensor) {
	case SENSOR_ADCM1700:
	case SENSOR_OV7660:
	case SENSOR_SP80708:
		reg_w1(gspca_dev, 0x9a, 0x05);
		break;
	case SENSOR_GC0307:
	case SENSOR_MT9V111:
		reg_w1(gspca_dev, 0x9a, 0x07);
		break;
	case SENSOR_OV7630:
	case SENSOR_OV7648:
		reg_w1(gspca_dev, 0x9a, 0x0a);
		break;
	case SENSOR_PO2030N:
	case SENSOR_SOI768:
		reg_w1(gspca_dev, 0x9a, 0x06);
		break;
	default:
		reg_w1(gspca_dev, 0x9a, 0x08);
		break;
	}
	setsharpness(sd);

	reg_w(gspca_dev, 0x84, reg84, sizeof reg84);
	reg_w1(gspca_dev, 0x05, 0x20);		/* red */
	reg_w1(gspca_dev, 0x07, 0x20);		/* green */
	reg_w1(gspca_dev, 0x06, 0x20);		/* blue */

	init = NULL;
	mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
	if (mode)
		reg1 = 0x46;	/* 320x240: clk 48Mhz, video trf enable */
	else
		reg1 = 0x06;	/* 640x480: clk 24Mhz, video trf enable */
	reg17 = 0x61;		/* 0x:20: enable sensor clock */
	switch (sd->sensor) {
	case SENSOR_ADCM1700:
		init = adcm1700_sensor_param1;
		reg1 = 0x46;
		reg17 = 0xe2;
		break;
	case SENSOR_GC0307:
		init = gc0307_sensor_param1;
		reg17 = 0xa2;
		reg1 = 0x44;
		break;
	case SENSOR_MO4000:
		if (mode) {
/*			reg1 = 0x46;	 * 320 clk 48Mhz 60fp/s */
			reg1 = 0x06;	/* clk 24Mz */
		} else {
			reg17 = 0x22;	/* 640 MCKSIZE */
/*			reg1 = 0x06;	 * 640 clk 24Mz (done) */
		}
		break;
	case SENSOR_MT9V111:
		init = mt9v111_sensor_param1;
		if (mode) {
			reg1 = 0x04;	/* 320 clk 48Mhz */
		} else {
/*			reg1 = 0x06;	 * 640 clk 24Mz (done) */
			reg17 = 0xc2;
		}
		break;
	case SENSOR_OM6802:
		init = om6802_sensor_param1;
		reg17 = 0x64;		/* 640 MCKSIZE */
		break;
	case SENSOR_OV7630:
		init = ov7630_sensor_param1;
		reg17 = 0xe2;
		reg1 = 0x44;
		break;
	case SENSOR_OV7648:
		init = ov7648_sensor_param1;
		reg17 = 0x21;
/*		reg1 = 0x42;		 * 42 - 46? */
		break;
	case SENSOR_OV7660:
		init = ov7660_sensor_param1;
		if (sd->bridge == BRIDGE_SN9C120) {
			if (mode) {		/* 320x240 - 160x120 */
				reg17 = 0xa2;
				reg1 = 0x44;	/* 48 Mhz, video trf eneble */
			}
		} else {
			reg17 = 0x22;
			reg1 = 0x06;	/* 24 Mhz, video trf eneble
					 * inverse power down */
		}
		break;
	case SENSOR_PO1030:
		init = po1030_sensor_param1;
		reg17 = 0xa2;
		reg1 = 0x44;
		break;
	case SENSOR_PO2030N:
		init = po2030n_sensor_param1;
		reg1 = 0x46;
		reg17 = 0xa2;
		break;
	case SENSOR_SOI768:
		init = soi768_sensor_param1;
		reg1 = 0x44;
		reg17 = 0xa2;
		break;
	default:
/*	case SENSOR_SP80708: */
		init = sp80708_sensor_param1;
		if (mode) {
/*??			reg1 = 0x04;	 * 320 clk 48Mhz */
		} else {
			reg1 = 0x46;	 /* 640 clk 48Mz */
			reg17 = 0xa2;
		}
		break;
	}

	/* more sensor initialization - param1 */
	if (init != NULL) {
		i2c_w_seq(gspca_dev, init);
/*		init = NULL; */
	}

	reg_w(gspca_dev, 0xc0, C0, 6);
	switch (sd->sensor) {
	case SENSOR_ADCM1700:
	case SENSOR_GC0307:
	case SENSOR_SOI768:
		reg_w(gspca_dev, 0xca, CA_adcm1700, 4);
		break;
	case SENSOR_PO2030N:
		reg_w(gspca_dev, 0xca, CA_po2030n, 4);
		break;
	default:
		reg_w(gspca_dev, 0xca, CA, 4);
		break;
	}
	switch (sd->sensor) {
	case SENSOR_ADCM1700:
	case SENSOR_OV7630:
	case SENSOR_OV7648:
	case SENSOR_OV7660:
	case SENSOR_SOI768:
		reg_w(gspca_dev, 0xce, CE_ov76xx, 4);
		break;
	case SENSOR_GC0307:
		reg_w(gspca_dev, 0xce, CE_gc0307, 4);
		break;
	case SENSOR_PO2030N:
		reg_w(gspca_dev, 0xce, CE_po2030n, 4);
		break;
	default:
		reg_w(gspca_dev, 0xce, CE, 4);
					/* ?? {0x1e, 0xdd, 0x2d, 0xe7} */
		break;
	}


	/* here change size mode 0 -> VGA; 1 -> CIF */
	sd->reg18 = sn9c1xx[0x18] | (mode << 4) | 0x40;
	reg_w1(gspca_dev, 0x18, sd->reg18);
	setjpegqual(gspca_dev);

	reg_w1(gspca_dev, 0x17, reg17);
	reg_w1(gspca_dev, 0x01, reg1);

	setvflip(sd);
	setbrightness(gspca_dev);
	setcontrast(gspca_dev);
	setcolors(gspca_dev);
	setautogain(gspca_dev);
	setfreq(gspca_dev);
	return 0;
}

static void sd_stopN(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	static const u8 stophv7131[] =
		{ 0xa1, 0x11, 0x02, 0x09, 0x00, 0x00, 0x00, 0x10 };
	static const u8 stopmi0360[] =
		{ 0xb1, 0x5d, 0x07, 0x00, 0x00, 0x00, 0x00, 0x10 };
	static const u8 stopov7648[] =
		{ 0xa1, 0x21, 0x76, 0x20, 0x00, 0x00, 0x00, 0x10 };
	static const u8 stopsoi768[] =
		{ 0xa1, 0x21, 0x12, 0x80, 0x00, 0x00, 0x00, 0x10 };
	u8 data;
	const u8 *sn9c1xx;

	data = 0x0b;
	switch (sd->sensor) {
	case SENSOR_GC0307:
		data = 0x29;
		break;
	case SENSOR_HV7131R:
		i2c_w8(gspca_dev, stophv7131);
		data = 0x2b;
		break;
	case SENSOR_MI0360:
		i2c_w8(gspca_dev, stopmi0360);
		data = 0x29;
		break;
	case SENSOR_OV7648:
		i2c_w8(gspca_dev, stopov7648);
		/* fall thru */
	case SENSOR_MT9V111:
	case SENSOR_OV7630:
	case SENSOR_PO1030:
		data = 0x29;
		break;
	case SENSOR_SOI768:
		i2c_w8(gspca_dev, stopsoi768);
		data = 0x29;
		break;
	}
	sn9c1xx = sn_tb[sd->sensor];
	reg_w1(gspca_dev, 0x01, sn9c1xx[1]);
	reg_w1(gspca_dev, 0x17, sn9c1xx[0x17]);
	reg_w1(gspca_dev, 0x01, sn9c1xx[1]);
	reg_w1(gspca_dev, 0x01, data);
	/* Don't disable sensor clock as that disables the button on the cam */
	/* reg_w1(gspca_dev, 0xf1, 0x01); */
}

static void do_autogain(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	int delta;
	int expotimes;
	u8 luma_mean = 130;
	u8 luma_delta = 20;

	/* Thanks S., without your advice, autobright should not work :) */
	if (sd->ag_cnt < 0)
		return;
	if (--sd->ag_cnt >= 0)
		return;
	sd->ag_cnt = AG_CNT_START;

	delta = atomic_read(&sd->avg_lum);
	PDEBUG(D_FRAM, "mean lum %d", delta);
	if (delta < luma_mean - luma_delta ||
	    delta > luma_mean + luma_delta) {
		switch (sd->sensor) {
		case SENSOR_GC0307:
			expotimes = sd->exposure;
			expotimes += (luma_mean - delta) >> 6;
			if (expotimes < 0)
				expotimes = 0;
			sd->exposure = setexposure(gspca_dev,
						   (unsigned int) expotimes);
			break;
		case SENSOR_HV7131R:
			expotimes = sd->exposure >> 8;
			expotimes += (luma_mean - delta) >> 4;
			if (expotimes < 0)
				expotimes = 0;
			sd->exposure = setexposure(gspca_dev,
					(unsigned int) (expotimes << 8));
			break;
		case SENSOR_OM6802:
			expotimes = sd->exposure;
			expotimes += (luma_mean - delta) >> 2;
			if (expotimes < 0)
				expotimes = 0;
			sd->exposure = setexposure(gspca_dev,
						   (unsigned int) expotimes);
			setredblue(gspca_dev);
			break;
		default:
/*		case SENSOR_MO4000: */
/*		case SENSOR_MI0360: */
/*		case SENSOR_MT9V111: */
			expotimes = sd->exposure;
			expotimes += (luma_mean - delta) >> 6;
			if (expotimes < 0)
				expotimes = 0;
			sd->exposure = setexposure(gspca_dev,
						   (unsigned int) expotimes);
			setredblue(gspca_dev);
			break;
		}
	}
}

/* scan the URB packets */
/* This function is run at interrupt level. */
static void sd_pkt_scan(struct gspca_dev *gspca_dev,
			u8 *data,			/* isoc packet */
			int len)			/* iso packet length */
{
	struct sd *sd = (struct sd *) gspca_dev;
	int sof, avg_lum;

	sof = len - 64;
	if (sof >= 0 && data[sof] == 0xff && data[sof + 1] == 0xd9) {

		/* end of frame */
		gspca_frame_add(gspca_dev, LAST_PACKET,
				data, sof + 2);
		if (sd->ag_cnt < 0)
			return;
/* w1 w2 w3 */
/* w4 w5 w6 */
/* w7 w8 */
/* w4 */
		avg_lum = ((data[sof + 29] << 8) | data[sof + 30]) >> 6;
/* w6 */
		avg_lum += ((data[sof + 33] << 8) | data[sof + 34]) >> 6;
/* w2 */
		avg_lum += ((data[sof + 25] << 8) | data[sof + 26]) >> 6;
/* w8 */
		avg_lum += ((data[sof + 37] << 8) | data[sof + 38]) >> 6;
/* w5 */
		avg_lum += ((data[sof + 31] << 8) | data[sof + 32]) >> 4;
		avg_lum >>= 4;
		atomic_set(&sd->avg_lum, avg_lum);
		return;
	}
	if (gspca_dev->last_packet_type == LAST_PACKET) {

		/* put the JPEG 422 header */
		gspca_frame_add(gspca_dev, FIRST_PACKET,
			sd->jpeg_hdr, JPEG_HDR_SZ);
	}
	gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
}

static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	sd->brightness = val;
	if (gspca_dev->streaming)
		setbrightness(gspca_dev);
	return 0;
}

static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	*val = sd->brightness;
	return 0;
}

static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	sd->contrast = val;
	if (gspca_dev->streaming)
		setcontrast(gspca_dev);
	return 0;
}

static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	*val = sd->contrast;
	return 0;
}

static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	sd->colors = val;
	if (gspca_dev->streaming)
		setcolors(gspca_dev);
	return 0;
}

static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	*val = sd->colors;
	return 0;
}

static int sd_setblue_balance(struct gspca_dev *gspca_dev, __s32 val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	sd->blue = val;
	if (gspca_dev->streaming)
		setredblue(gspca_dev);
	return 0;
}

static int sd_getblue_balance(struct gspca_dev *gspca_dev, __s32 *val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	*val = sd->blue;
	return 0;
}

static int sd_setred_balance(struct gspca_dev *gspca_dev, __s32 val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	sd->red = val;
	if (gspca_dev->streaming)
		setredblue(gspca_dev);
	return 0;
}

static int sd_getred_balance(struct gspca_dev *gspca_dev, __s32 *val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	*val = sd->red;
	return 0;
}

static int sd_setgamma(struct gspca_dev *gspca_dev, __s32 val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	sd->gamma = val;
	if (gspca_dev->streaming)
		setgamma(gspca_dev);
	return 0;
}

static int sd_getgamma(struct gspca_dev *gspca_dev, __s32 *val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	*val = sd->gamma;
	return 0;
}

static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	sd->autogain = val;
	if (gspca_dev->streaming)
		setautogain(gspca_dev);
	return 0;
}

static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	*val = sd->autogain;
	return 0;
}

static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	sd->sharpness = val;
	if (gspca_dev->streaming)
		setsharpness(sd);
	return 0;
}

static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	*val = sd->sharpness;
	return 0;
}

static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	sd->vflip = val;
	if (gspca_dev->streaming)
		setvflip(sd);
	return 0;
}

static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	*val = sd->vflip;
	return 0;
}

static int sd_setinfrared(struct gspca_dev *gspca_dev, __s32 val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	sd->infrared = val;
	if (gspca_dev->streaming)
		setinfrared(sd);
	return 0;
}

static int sd_getinfrared(struct gspca_dev *gspca_dev, __s32 *val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	*val = sd->infrared;
	return 0;
}

static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	sd->freq = val;
	if (gspca_dev->streaming)
		setfreq(gspca_dev);
	return 0;
}

static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	*val = sd->freq;
	return 0;
}

static int sd_set_jcomp(struct gspca_dev *gspca_dev,
			struct v4l2_jpegcompression *jcomp)
{
	struct sd *sd = (struct sd *) gspca_dev;

	if (jcomp->quality < QUALITY_MIN)
		sd->quality = QUALITY_MIN;
	else if (jcomp->quality > QUALITY_MAX)
		sd->quality = QUALITY_MAX;
	else
		sd->quality = jcomp->quality;
	if (gspca_dev->streaming)
		jpeg_set_qual(sd->jpeg_hdr, sd->quality);
	return 0;
}

static int sd_get_jcomp(struct gspca_dev *gspca_dev,
			struct v4l2_jpegcompression *jcomp)
{
	struct sd *sd = (struct sd *) gspca_dev;

	memset(jcomp, 0, sizeof *jcomp);
	jcomp->quality = sd->quality;
	jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT
			| V4L2_JPEG_MARKER_DQT;
	return 0;
}

static int sd_querymenu(struct gspca_dev *gspca_dev,
			struct v4l2_querymenu *menu)
{
	switch (menu->id) {
	case V4L2_CID_POWER_LINE_FREQUENCY:
		switch (menu->index) {
		case 0:		/* V4L2_CID_POWER_LINE_FREQUENCY_DISABLED */
			strcpy((char *) menu->name, "NoFliker");
			return 0;
		case 1:		/* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */
			strcpy((char *) menu->name, "50 Hz");
			return 0;
		case 2:		/* V4L2_CID_POWER_LINE_FREQUENCY_60HZ */
			strcpy((char *) menu->name, "60 Hz");
			return 0;
		}
		break;
	}
	return -EINVAL;
}

#ifdef CONFIG_INPUT
static int sd_int_pkt_scan(struct gspca_dev *gspca_dev,
			u8 *data,		/* interrupt packet data */
			int len)		/* interrupt packet length */
{
	int ret = -EINVAL;

	if (len == 1 && data[0] == 1) {
		input_report_key(gspca_dev->input_dev, KEY_CAMERA, 1);
		input_sync(gspca_dev->input_dev);
		input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0);
		input_sync(gspca_dev->input_dev);
		ret = 0;
	}

	return ret;
}
#endif

/* sub-driver description */
static const struct sd_desc sd_desc = {
	.name = MODULE_NAME,
	.ctrls = sd_ctrls,
	.nctrls = ARRAY_SIZE(sd_ctrls),
	.config = sd_config,
	.init = sd_init,
	.start = sd_start,
	.stopN = sd_stopN,
	.pkt_scan = sd_pkt_scan,
	.dq_callback = do_autogain,
	.get_jcomp = sd_get_jcomp,
	.set_jcomp = sd_set_jcomp,
	.querymenu = sd_querymenu,
#ifdef CONFIG_INPUT
	.int_pkt_scan = sd_int_pkt_scan,
#endif
};

/* -- module initialisation -- */
#define BS(bridge, sensor) \
	.driver_info = (BRIDGE_ ## bridge << 16) \
			| SENSOR_ ## sensor
static const __devinitdata struct usb_device_id device_table[] = {
#if !defined CONFIG_USB_SN9C102 && !defined CONFIG_USB_SN9C102_MODULE
	{USB_DEVICE(0x0458, 0x7025), BS(SN9C120, MI0360)},
	{USB_DEVICE(0x0458, 0x702e), BS(SN9C120, OV7660)},
#endif
	{USB_DEVICE(0x045e, 0x00f5), BS(SN9C105, OV7660)},
	{USB_DEVICE(0x045e, 0x00f7), BS(SN9C105, OV7660)},
	{USB_DEVICE(0x0471, 0x0327), BS(SN9C105, MI0360)},
	{USB_DEVICE(0x0471, 0x0328), BS(SN9C105, MI0360)},
	{USB_DEVICE(0x0471, 0x0330), BS(SN9C105, MI0360)},
	{USB_DEVICE(0x06f8, 0x3004), BS(SN9C105, OV7660)},
	{USB_DEVICE(0x06f8, 0x3008), BS(SN9C105, OV7660)},
/*	{USB_DEVICE(0x0c45, 0x603a), BS(SN9C102P, OV7648)}, */
	{USB_DEVICE(0x0c45, 0x6040), BS(SN9C102P, HV7131R)},
/*	{USB_DEVICE(0x0c45, 0x607a), BS(SN9C102P, OV7648)}, */
/*	{USB_DEVICE(0x0c45, 0x607b), BS(SN9C102P, OV7660)}, */
	{USB_DEVICE(0x0c45, 0x607c), BS(SN9C102P, HV7131R)},
/*	{USB_DEVICE(0x0c45, 0x607e), BS(SN9C102P, OV7630)}, */
	{USB_DEVICE(0x0c45, 0x60c0), BS(SN9C105, MI0360)},
/*	{USB_DEVICE(0x0c45, 0x60c2), BS(SN9C105, P1030xC)}, */
/*	{USB_DEVICE(0x0c45, 0x60c8), BS(SN9C105, OM6802)}, */
/*	{USB_DEVICE(0x0c45, 0x60cc), BS(SN9C105, HV7131GP)}, */
	{USB_DEVICE(0x0c45, 0x60ec), BS(SN9C105, MO4000)},
/*	{USB_DEVICE(0x0c45, 0x60ef), BS(SN9C105, ICM105C)}, */
/*	{USB_DEVICE(0x0c45, 0x60fa), BS(SN9C105, OV7648)}, */
	{USB_DEVICE(0x0c45, 0x60fb), BS(SN9C105, OV7660)},
#if !defined CONFIG_USB_SN9C102 && !defined CONFIG_USB_SN9C102_MODULE
	{USB_DEVICE(0x0c45, 0x60fc), BS(SN9C105, HV7131R)},
	{USB_DEVICE(0x0c45, 0x60fe), BS(SN9C105, OV7630)},
#endif
	{USB_DEVICE(0x0c45, 0x6100), BS(SN9C120, MI0360)},	/*sn9c128*/
/*	{USB_DEVICE(0x0c45, 0x6102), BS(SN9C120, P1030xC)}, */
/*	{USB_DEVICE(0x0c45, 0x6108), BS(SN9C120, OM6802)}, */
	{USB_DEVICE(0x0c45, 0x610a), BS(SN9C120, OV7648)},	/*sn9c128*/
	{USB_DEVICE(0x0c45, 0x610b), BS(SN9C120, OV7660)},	/*sn9c128*/
	{USB_DEVICE(0x0c45, 0x610c), BS(SN9C120, HV7131R)},	/*sn9c128*/
	{USB_DEVICE(0x0c45, 0x610e), BS(SN9C120, OV7630)},	/*sn9c128*/
/*	{USB_DEVICE(0x0c45, 0x610f), BS(SN9C120, S5K53BEB)}, */
/*	{USB_DEVICE(0x0c45, 0x6122), BS(SN9C110, ICM105C)}, */
/*	{USB_DEVICE(0x0c45, 0x6123), BS(SN9C110, SanyoCCD)}, */
	{USB_DEVICE(0x0c45, 0x6128), BS(SN9C120, OM6802)},	/*sn9c325?*/
/*bw600.inf:*/
	{USB_DEVICE(0x0c45, 0x612a), BS(SN9C120, OV7648)},	/*sn9c325?*/
	{USB_DEVICE(0x0c45, 0x612c), BS(SN9C110, MO4000)},
	{USB_DEVICE(0x0c45, 0x612e), BS(SN9C110, OV7630)},
/*	{USB_DEVICE(0x0c45, 0x612f), BS(SN9C110, ICM105C)}, */
#if !defined CONFIG_USB_SN9C102 && !defined CONFIG_USB_SN9C102_MODULE
	{USB_DEVICE(0x0c45, 0x6130), BS(SN9C120, MI0360)},
#endif
/*	{USB_DEVICE(0x0c45, 0x6132), BS(SN9C120, OV7670)}, */
	{USB_DEVICE(0x0c45, 0x6138), BS(SN9C120, MO4000)},
	{USB_DEVICE(0x0c45, 0x613a), BS(SN9C120, OV7648)},
#if !defined CONFIG_USB_SN9C102 && !defined CONFIG_USB_SN9C102_MODULE
	{USB_DEVICE(0x0c45, 0x613b), BS(SN9C120, OV7660)},
#endif
	{USB_DEVICE(0x0c45, 0x613c), BS(SN9C120, HV7131R)},
	{USB_DEVICE(0x0c45, 0x613e), BS(SN9C120, OV7630)},
	{USB_DEVICE(0x0c45, 0x6142), BS(SN9C120, PO2030N)},	/*sn9c120b*/
	{USB_DEVICE(0x0c45, 0x6143), BS(SN9C120, SP80708)},	/*sn9c120b*/
	{USB_DEVICE(0x0c45, 0x6148), BS(SN9C120, OM6802)},	/*sn9c120b*/
	{USB_DEVICE(0x0c45, 0x614a), BS(SN9C120, ADCM1700)},	/*sn9c120b*/
	{}
};
MODULE_DEVICE_TABLE(usb, device_table);

/* -- device connect -- */
static int sd_probe(struct usb_interface *intf,
		    const struct usb_device_id *id)
{
	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
				THIS_MODULE);
}

static struct usb_driver sd_driver = {
	.name = MODULE_NAME,
	.id_table = device_table,
	.probe = sd_probe,
	.disconnect = gspca_disconnect,
#ifdef CONFIG_PM
	.suspend = gspca_suspend,
	.resume = gspca_resume,
#endif
};

/* -- module insert / remove -- */
static int __init sd_mod_init(void)
{
	int ret;
	ret = usb_register(&sd_driver);
	if (ret < 0)
		return ret;
	info("registered");
	return 0;
}
static void __exit sd_mod_exit(void)
{
	usb_deregister(&sd_driver);
	info("deregistered");
}

module_init(sd_mod_init);
module_exit(sd_mod_exit);