cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

gl860-ov2640.c (17519B)


      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/* Subdriver for the GL860 chip with the OV2640 sensor
      3 * Author Olivier LORIN, from Malmostoso's logs
      4 */
      5
      6/* Sensor : OV2640 */
      7
      8#include "gl860.h"
      9
     10static u8 dat_init1[] = "\x00\x41\x07\x6a\x06\x61\x0d\x6a" "\x10\x10\xc1\x01";
     11
     12static u8 c61[] = {0x61}; /* expected */
     13static u8 c51[] = {0x51}; /* expected */
     14static u8 c50[] = {0x50}; /* expected */
     15static u8 c28[] = {0x28}; /* expected */
     16static u8 ca8[] = {0xa8}; /* expected */
     17
     18static u8 dat_post[] =
     19	"\x00\x41\x07\x6a\x06\xef\x0d\x6a" "\x10\x10\xc1\x01";
     20
     21static u8 dat_640[]  = "\xd0\x01\xd1\x08\xd2\xe0\xd3\x02\xd4\x10\xd5\x81";
     22static u8 dat_800[]  = "\xd0\x01\xd1\x10\xd2\x58\xd3\x02\xd4\x18\xd5\x21";
     23static u8 dat_1280[] = "\xd0\x01\xd1\x18\xd2\xc0\xd3\x02\xd4\x28\xd5\x01";
     24static u8 dat_1600[] = "\xd0\x01\xd1\x20\xd2\xb0\xd3\x02\xd4\x30\xd5\x41";
     25
     26static struct validx tbl_init_at_startup[] = {
     27	{0x0000, 0x0000}, {0x0010, 0x0010}, {0x0008, 0x00c0}, {0x0001, 0x00c1},
     28	{0x0001, 0x00c2}, {0x0020, 0x0006}, {0x006a, 0x000d},
     29	{0x0050, 0x0000}, {0x0041, 0x0000}, {0x006a, 0x0007}, {0x0061, 0x0006},
     30	{0x006a, 0x000d}, {0x0000, 0x00c0}, {0x0010, 0x0010}, {0x0001, 0x00c1},
     31	{0x0041, 0x00c2}, {0x0004, 0x00d8}, {0x0012, 0x0004}, {0x0000, 0x0058},
     32	{0x0041, 0x0000}, {0x0061, 0x0000},
     33};
     34
     35static struct validx tbl_common[] = {
     36	{0x6000, 0x00ff}, {0x60ff, 0x002c}, {0x60df, 0x002e}, {0x6001, 0x00ff},
     37	{0x6080, 0x0012}, {0x6000, 0x0000}, {0x6000, 0x0045}, {0x6000, 0x0010},
     38	{0x6035, 0x003c}, {0x6000, 0x0011}, {0x6028, 0x0004}, {0x60e5, 0x0013},
     39	{0x6088, 0x0014}, {0x600c, 0x002c}, {0x6078, 0x0033}, {0x60f7, 0x003b},
     40	{0x6000, 0x003e}, {0x6011, 0x0043}, {0x6010, 0x0016}, {0x6082, 0x0039},
     41	{0x6088, 0x0035}, {0x600a, 0x0022}, {0x6040, 0x0037}, {0x6000, 0x0023},
     42	{0x60a0, 0x0034}, {0x601a, 0x0036}, {0x6002, 0x0006}, {0x60c0, 0x0007},
     43	{0x60b7, 0x000d}, {0x6001, 0x000e}, {0x6000, 0x004c}, {0x6081, 0x004a},
     44	{0x6099, 0x0021}, {0x6002, 0x0009}, {0x603e, 0x0024}, {0x6034, 0x0025},
     45	{0x6081, 0x0026}, {0x6000, 0x0000}, {0x6000, 0x0045}, {0x6000, 0x0010},
     46	{0x6000, 0x005c}, {0x6000, 0x0063}, {0x6000, 0x007c}, {0x6070, 0x0061},
     47	{0x6080, 0x0062}, {0x6080, 0x0020}, {0x6030, 0x0028}, {0x6000, 0x006c},
     48	{0x6000, 0x006e}, {0x6002, 0x0070}, {0x6094, 0x0071}, {0x60c1, 0x0073},
     49	{0x6034, 0x003d}, {0x6057, 0x005a}, {0x60bb, 0x004f}, {0x609c, 0x0050},
     50	{0x6080, 0x006d}, {0x6002, 0x0039}, {0x6033, 0x003a}, {0x60f1, 0x003b},
     51	{0x6031, 0x003c}, {0x6000, 0x00ff}, {0x6014, 0x00e0}, {0x60ff, 0x0076},
     52	{0x60a0, 0x0033}, {0x6020, 0x0042}, {0x6018, 0x0043}, {0x6000, 0x004c},
     53	{0x60d0, 0x0087}, {0x600f, 0x0088}, {0x6003, 0x00d7}, {0x6010, 0x00d9},
     54	{0x6005, 0x00da}, {0x6082, 0x00d3}, {0x60c0, 0x00f9}, {0x6006, 0x0044},
     55	{0x6007, 0x00d1}, {0x6002, 0x00d2}, {0x6000, 0x00d2}, {0x6011, 0x00d8},
     56	{0x6008, 0x00c8}, {0x6080, 0x00c9}, {0x6008, 0x007c}, {0x6020, 0x007d},
     57	{0x6020, 0x007d}, {0x6000, 0x0090}, {0x600e, 0x0091}, {0x601a, 0x0091},
     58	{0x6031, 0x0091}, {0x605a, 0x0091}, {0x6069, 0x0091}, {0x6075, 0x0091},
     59	{0x607e, 0x0091}, {0x6088, 0x0091}, {0x608f, 0x0091}, {0x6096, 0x0091},
     60	{0x60a3, 0x0091}, {0x60af, 0x0091}, {0x60c4, 0x0091}, {0x60d7, 0x0091},
     61	{0x60e8, 0x0091}, {0x6020, 0x0091}, {0x6000, 0x0092}, {0x6006, 0x0093},
     62	{0x60e3, 0x0093}, {0x6005, 0x0093}, {0x6005, 0x0093}, {0x6000, 0x0093},
     63	{0x6004, 0x0093}, {0x6000, 0x0093}, {0x6000, 0x0093}, {0x6000, 0x0093},
     64	{0x6000, 0x0093}, {0x6000, 0x0093}, {0x6000, 0x0093}, {0x6000, 0x0093},
     65	{0x6000, 0x0096}, {0x6008, 0x0097}, {0x6019, 0x0097}, {0x6002, 0x0097},
     66	{0x600c, 0x0097}, {0x6024, 0x0097}, {0x6030, 0x0097}, {0x6028, 0x0097},
     67	{0x6026, 0x0097}, {0x6002, 0x0097}, {0x6098, 0x0097}, {0x6080, 0x0097},
     68	{0x6000, 0x0097}, {0x6000, 0x0097}, {0x60ed, 0x00c3}, {0x609a, 0x00c4},
     69	{0x6000, 0x00a4}, {0x6011, 0x00c5}, {0x6051, 0x00c6}, {0x6010, 0x00c7},
     70	{0x6066, 0x00b6}, {0x60a5, 0x00b8}, {0x6064, 0x00b7}, {0x607c, 0x00b9},
     71	{0x60af, 0x00b3}, {0x6097, 0x00b4}, {0x60ff, 0x00b5}, {0x60c5, 0x00b0},
     72	{0x6094, 0x00b1}, {0x600f, 0x00b2}, {0x605c, 0x00c4}, {0x6000, 0x00a8},
     73	{0x60c8, 0x00c0}, {0x6096, 0x00c1}, {0x601d, 0x0086}, {0x6000, 0x0050},
     74	{0x6090, 0x0051}, {0x6018, 0x0052}, {0x6000, 0x0053}, {0x6000, 0x0054},
     75	{0x6088, 0x0055}, {0x6000, 0x0057}, {0x6090, 0x005a}, {0x6018, 0x005b},
     76	{0x6005, 0x005c}, {0x60ed, 0x00c3}, {0x6000, 0x007f}, {0x6005, 0x00da},
     77	{0x601f, 0x00e5}, {0x6067, 0x00e1}, {0x6000, 0x00e0}, {0x60ff, 0x00dd},
     78	{0x6000, 0x0005}, {0x6001, 0x00ff}, {0x6000, 0x0000}, {0x6000, 0x0045},
     79	{0x6000, 0x0010},
     80};
     81
     82static struct validx tbl_sensor_settings_common1[] = {
     83	{0x0041, 0x0000}, {0x006a, 0x0007}, {0x00ef, 0x0006}, {0x006a, 0x000d},
     84	{0x0000, 0x00c0}, {0x0010, 0x0010}, {0x0001, 0x00c1}, {0x0041, 0x00c2},
     85	{0x0004, 0x00d8}, {0x0012, 0x0004}, {0x0000, 0x0058}, {0x0041, 0x0000},
     86	{50, 0xffff},
     87	{0x0061, 0x0000},
     88	{0xffff, 0xffff},
     89	{0x6000, 0x00ff}, {0x6000, 0x007c}, {0x6007, 0x007d},
     90	{30, 0xffff},
     91	{0x0040, 0x0000},
     92};
     93
     94static struct validx tbl_sensor_settings_common2[] = {
     95	{0x6001, 0x00ff}, {0x6038, 0x000c},
     96	{10, 0xffff},
     97	{0x6000, 0x0011},
     98};
     99
    100static struct validx tbl_640[] = {
    101	{0x6000, 0x00ff}, {0x60f1, 0x00dd}, {0x6004, 0x00e0}, {0x6067, 0x00e1},
    102	{0x6004, 0x00da}, {0x6000, 0x00ff}, {0x60f1, 0x00dd}, {0x6004, 0x00e0},
    103	{0x6001, 0x00ff}, {0x6000, 0x0012}, {0x6000, 0x0011}, {0x6011, 0x0017},
    104	{0x6075, 0x0018}, {0x6001, 0x0019}, {0x6097, 0x001a}, {0x6036, 0x0032},
    105	{0x60bb, 0x004f}, {0x6057, 0x005a}, {0x609c, 0x0050}, {0x6080, 0x006d},
    106	{0x6092, 0x0026}, {0x60ff, 0x0020}, {0x6000, 0x0027}, {0x6000, 0x00ff},
    107	{0x60c8, 0x00c0}, {0x6096, 0x00c1}, {0x6000, 0x008c}, {0x603d, 0x0086},
    108	{0x6089, 0x0050}, {0x6090, 0x0051}, {0x602c, 0x0052}, {0x6000, 0x0053},
    109	{0x6000, 0x0054}, {0x6088, 0x0055}, {0x6000, 0x0057}, {0x60a0, 0x005a},
    110	{0x6078, 0x005b}, {0x6000, 0x005c}, {0x6004, 0x00d3}, {0x6000, 0x00e0},
    111	{0x60ff, 0x00dd}, {0x60a1, 0x005a},
    112};
    113
    114static struct validx tbl_800[] = {
    115	{0x6000, 0x00ff}, {0x60f1, 0x00dd}, {0x6004, 0x00e0}, {0x6067, 0x00e1},
    116	{0x6004, 0x00da}, {0x6000, 0x00ff}, {0x60f1, 0x00dd}, {0x6004, 0x00e0},
    117	{0x6001, 0x00ff}, {0x6040, 0x0012}, {0x6000, 0x0011}, {0x6011, 0x0017},
    118	{0x6043, 0x0018}, {0x6000, 0x0019}, {0x604b, 0x001a}, {0x6009, 0x0032},
    119	{0x60ca, 0x004f}, {0x60a8, 0x0050}, {0x6000, 0x006d}, {0x6038, 0x003d},
    120	{0x60c8, 0x0035}, {0x6000, 0x0022}, {0x6092, 0x0026}, {0x60ff, 0x0020},
    121	{0x6000, 0x0027}, {0x6000, 0x00ff}, {0x6064, 0x00c0}, {0x604b, 0x00c1},
    122	{0x6000, 0x008c}, {0x601d, 0x0086}, {0x6082, 0x00d3}, {0x6000, 0x00e0},
    123	{0x60ff, 0x00dd}, {0x6020, 0x008c}, {0x6001, 0x00ff}, {0x6044, 0x0018},
    124};
    125
    126static struct validx tbl_big1[] = {
    127	{0x0002, 0x00c1}, {0x6000, 0x00ff}, {0x60f1, 0x00dd}, {0x6004, 0x00e0},
    128	{0x6001, 0x00ff}, {0x6000, 0x0012}, {0x6000, 0x0000}, {0x6000, 0x0045},
    129	{0x6000, 0x0010}, {0x6000, 0x0011}, {0x6011, 0x0017}, {0x6075, 0x0018},
    130	{0x6001, 0x0019}, {0x6097, 0x001a}, {0x6036, 0x0032}, {0x60bb, 0x004f},
    131	{0x609c, 0x0050}, {0x6057, 0x005a}, {0x6080, 0x006d}, {0x6043, 0x000f},
    132	{0x608f, 0x0003}, {0x6005, 0x007c}, {0x6081, 0x0026}, {0x6000, 0x00ff},
    133	{0x60c8, 0x00c0}, {0x6096, 0x00c1}, {0x6000, 0x008c},
    134};
    135
    136static struct validx tbl_big2[] = {
    137	{0x603d, 0x0086}, {0x6000, 0x0050}, {0x6090, 0x0051}, {0x602c, 0x0052},
    138	{0x6000, 0x0053}, {0x6000, 0x0054}, {0x6088, 0x0055}, {0x6000, 0x0057},
    139	{0x6040, 0x005a}, {0x60f0, 0x005b}, {0x6001, 0x005c}, {0x6082, 0x00d3},
    140	{0x6000, 0x008e},
    141};
    142
    143static struct validx tbl_big3[] = {
    144	{0x6004, 0x00da}, {0x6000, 0x00e0}, {0x6067, 0x00e1}, {0x60ff, 0x00dd},
    145	{0x6001, 0x00ff}, {0x6000, 0x00ff}, {0x60f1, 0x00dd}, {0x6004, 0x00e0},
    146	{0x6001, 0x00ff}, {0x6000, 0x0011}, {0x6000, 0x00ff}, {0x6010, 0x00c7},
    147	{0x6000, 0x0092}, {0x6006, 0x0093}, {0x60e3, 0x0093}, {0x6005, 0x0093},
    148	{0x6005, 0x0093}, {0x60ed, 0x00c3}, {0x6000, 0x00a4}, {0x60d0, 0x0087},
    149	{0x6003, 0x0096}, {0x600c, 0x0097}, {0x6024, 0x0097}, {0x6030, 0x0097},
    150	{0x6028, 0x0097}, {0x6026, 0x0097}, {0x6002, 0x0097}, {0x6001, 0x00ff},
    151	{0x6043, 0x000f}, {0x608f, 0x0003}, {0x6000, 0x002d}, {0x6000, 0x002e},
    152	{0x600a, 0x0022}, {0x6002, 0x0070}, {0x6008, 0x0014}, {0x6048, 0x0014},
    153	{0x6000, 0x00ff}, {0x6000, 0x00e0}, {0x60ff, 0x00dd},
    154};
    155
    156static struct validx tbl_post_unset_alt[] = {
    157	{0x006a, 0x000d}, {0x6001, 0x00ff}, {0x6081, 0x0026}, {0x6000, 0x0000},
    158	{0x6000, 0x0045}, {0x6000, 0x0010}, {0x6068, 0x000d},
    159	{50, 0xffff},
    160	{0x0021, 0x0000},
    161};
    162
    163static int  ov2640_init_at_startup(struct gspca_dev *gspca_dev);
    164static int  ov2640_configure_alt(struct gspca_dev *gspca_dev);
    165static int  ov2640_init_pre_alt(struct gspca_dev *gspca_dev);
    166static int  ov2640_init_post_alt(struct gspca_dev *gspca_dev);
    167static void ov2640_post_unset_alt(struct gspca_dev *gspca_dev);
    168static int  ov2640_camera_settings(struct gspca_dev *gspca_dev);
    169/*==========================================================================*/
    170
    171void ov2640_init_settings(struct gspca_dev *gspca_dev)
    172{
    173	struct sd *sd = (struct sd *) gspca_dev;
    174
    175	sd->vcur.backlight  =  32;
    176	sd->vcur.brightness =   0;
    177	sd->vcur.sharpness  =   6;
    178	sd->vcur.contrast   =   0;
    179	sd->vcur.gamma      =  32;
    180	sd->vcur.hue        =   0;
    181	sd->vcur.saturation = 128;
    182	sd->vcur.whitebal   =  64;
    183	sd->vcur.mirror     =   0;
    184	sd->vcur.flip       =   0;
    185
    186	sd->vmax.backlight  =  64;
    187	sd->vmax.brightness = 255;
    188	sd->vmax.sharpness  =  31;
    189	sd->vmax.contrast   = 255;
    190	sd->vmax.gamma      =  64;
    191	sd->vmax.hue        = 254 + 2;
    192	sd->vmax.saturation = 255;
    193	sd->vmax.whitebal   = 128;
    194	sd->vmax.mirror     = 1;
    195	sd->vmax.flip       = 1;
    196	sd->vmax.AC50Hz     = 0;
    197
    198	sd->dev_camera_settings = ov2640_camera_settings;
    199	sd->dev_init_at_startup = ov2640_init_at_startup;
    200	sd->dev_configure_alt   = ov2640_configure_alt;
    201	sd->dev_init_pre_alt    = ov2640_init_pre_alt;
    202	sd->dev_post_unset_alt  = ov2640_post_unset_alt;
    203}
    204
    205/*==========================================================================*/
    206
    207static void common(struct gspca_dev *gspca_dev)
    208{
    209	fetch_validx(gspca_dev, tbl_common, ARRAY_SIZE(tbl_common));
    210}
    211
    212static int ov2640_init_at_startup(struct gspca_dev *gspca_dev)
    213{
    214	fetch_validx(gspca_dev, tbl_init_at_startup,
    215			ARRAY_SIZE(tbl_init_at_startup));
    216
    217	ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200, 12, dat_init1);
    218
    219	common(gspca_dev);
    220
    221	ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0006, 1, c61);
    222
    223	ctrl_out(gspca_dev, 0x40, 1, 0x00ef, 0x0006, 0, NULL);
    224
    225	ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0000, 1, c51);
    226
    227	ctrl_out(gspca_dev, 0x40, 1, 0x0051, 0x0000, 0, NULL);
    228/*	ctrl_out(gspca_dev, 0x40, 11, 0x0000, 0x0000, 0, NULL); */
    229
    230	return 0;
    231}
    232
    233static int ov2640_init_pre_alt(struct gspca_dev *gspca_dev)
    234{
    235	struct sd *sd = (struct sd *) gspca_dev;
    236
    237	sd->mirrorMask = 0;
    238
    239	sd->vold.backlight  = -1;
    240	sd->vold.brightness = -1;
    241	sd->vold.sharpness  = -1;
    242	sd->vold.contrast   = -1;
    243	sd->vold.saturation = -1;
    244	sd->vold.gamma    = -1;
    245	sd->vold.hue      = -1;
    246	sd->vold.whitebal = -1;
    247	sd->vold.mirror = -1;
    248	sd->vold.flip   = -1;
    249
    250	ov2640_init_post_alt(gspca_dev);
    251
    252	return 0;
    253}
    254
    255static int ov2640_init_post_alt(struct gspca_dev *gspca_dev)
    256{
    257	s32 reso = gspca_dev->cam.cam_mode[(s32) gspca_dev->curr_mode].priv;
    258	s32 n; /* reserved for FETCH functions */
    259
    260	ctrl_out(gspca_dev, 0x40, 5, 0x0001, 0x0000, 0, NULL);
    261
    262	n = fetch_validx(gspca_dev, tbl_sensor_settings_common1,
    263			ARRAY_SIZE(tbl_sensor_settings_common1));
    264	ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200, 12, dat_post);
    265	common(gspca_dev);
    266	keep_on_fetching_validx(gspca_dev, tbl_sensor_settings_common1,
    267				ARRAY_SIZE(tbl_sensor_settings_common1), n);
    268
    269	switch (reso) {
    270	case IMAGE_640:
    271		n = fetch_validx(gspca_dev, tbl_640, ARRAY_SIZE(tbl_640));
    272		ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200, 12, dat_640);
    273		break;
    274
    275	case IMAGE_800:
    276		n = fetch_validx(gspca_dev, tbl_800, ARRAY_SIZE(tbl_800));
    277		ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200, 12, dat_800);
    278		break;
    279
    280	case IMAGE_1600:
    281	case IMAGE_1280:
    282		n = fetch_validx(gspca_dev, tbl_big1, ARRAY_SIZE(tbl_big1));
    283
    284		if (reso == IMAGE_1280) {
    285			n = fetch_validx(gspca_dev, tbl_big2,
    286					ARRAY_SIZE(tbl_big2));
    287		} else {
    288			ctrl_out(gspca_dev, 0x40, 1, 0x601d, 0x0086, 0, NULL);
    289			ctrl_out(gspca_dev, 0x40, 1, 0x6001, 0x00d7, 0, NULL);
    290			ctrl_out(gspca_dev, 0x40, 1, 0x6082, 0x00d3, 0, NULL);
    291		}
    292
    293		n = fetch_validx(gspca_dev, tbl_big3, ARRAY_SIZE(tbl_big3));
    294
    295		if (reso == IMAGE_1280) {
    296			ctrl_out(gspca_dev, 0x40, 1, 0x6001, 0x00ff, 0, NULL);
    297			ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200,
    298					12, dat_1280);
    299		} else {
    300			ctrl_out(gspca_dev, 0x40, 1, 0x6020, 0x008c, 0, NULL);
    301			ctrl_out(gspca_dev, 0x40, 1, 0x6001, 0x00ff, 0, NULL);
    302			ctrl_out(gspca_dev, 0x40, 1, 0x6076, 0x0018, 0, NULL);
    303			ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200,
    304					12, dat_1600);
    305		}
    306		break;
    307	}
    308
    309	n = fetch_validx(gspca_dev, tbl_sensor_settings_common2,
    310			ARRAY_SIZE(tbl_sensor_settings_common2));
    311
    312	ov2640_camera_settings(gspca_dev);
    313
    314	return 0;
    315}
    316
    317static int ov2640_configure_alt(struct gspca_dev *gspca_dev)
    318{
    319	s32 reso = gspca_dev->cam.cam_mode[(s32) gspca_dev->curr_mode].priv;
    320
    321	switch (reso) {
    322	case IMAGE_640:
    323		gspca_dev->alt = 3 + 1;
    324		break;
    325
    326	case IMAGE_800:
    327	case IMAGE_1280:
    328	case IMAGE_1600:
    329		gspca_dev->alt = 1 + 1;
    330		break;
    331	}
    332	return 0;
    333}
    334
    335static int ov2640_camera_settings(struct gspca_dev *gspca_dev)
    336{
    337	struct sd *sd = (struct sd *) gspca_dev;
    338
    339	s32 backlight = sd->vcur.backlight;
    340	s32 bright = sd->vcur.brightness;
    341	s32 sharp  = sd->vcur.sharpness;
    342	s32 gam    = sd->vcur.gamma;
    343	s32 cntr   = sd->vcur.contrast;
    344	s32 sat    = sd->vcur.saturation;
    345	s32 hue    = sd->vcur.hue;
    346	s32 wbal   = sd->vcur.whitebal;
    347	s32 mirror = (((sd->vcur.mirror > 0) ^ sd->mirrorMask) == 0);
    348	s32 flip   = (((sd->vcur.flip   > 0) ^ sd->mirrorMask) == 0);
    349
    350	if (backlight != sd->vold.backlight) {
    351		/* No sd->vold.backlight=backlight; (to be done again later) */
    352		if (backlight < 0 || backlight > sd->vmax.backlight)
    353			backlight = 0;
    354
    355		ctrl_out(gspca_dev, 0x40, 1, 0x6001                 , 0x00ff,
    356				0, NULL);
    357		ctrl_out(gspca_dev, 0x40, 1, 0x601e + backlight     , 0x0024,
    358				0, NULL);
    359		ctrl_out(gspca_dev, 0x40, 1, 0x601e + backlight - 10, 0x0025,
    360				0, NULL);
    361	}
    362
    363	if (bright != sd->vold.brightness) {
    364		sd->vold.brightness = bright;
    365		if (bright < 0 || bright > sd->vmax.brightness)
    366			bright = 0;
    367
    368		ctrl_out(gspca_dev, 0x40, 1, 0x6000         , 0x00ff, 0, NULL);
    369		ctrl_out(gspca_dev, 0x40, 1, 0x6009         , 0x007c, 0, NULL);
    370		ctrl_out(gspca_dev, 0x40, 1, 0x6000 + bright, 0x007d, 0, NULL);
    371	}
    372
    373	if (wbal != sd->vold.whitebal) {
    374		sd->vold.whitebal = wbal;
    375		if (wbal < 0 || wbal > sd->vmax.whitebal)
    376			wbal = 0;
    377
    378		ctrl_out(gspca_dev, 0x40, 1, 0x6000       , 0x00ff, 0, NULL);
    379		ctrl_out(gspca_dev, 0x40, 1, 0x6003       , 0x007c, 0, NULL);
    380		ctrl_out(gspca_dev, 0x40, 1, 0x6000 + wbal, 0x007d, 0, NULL);
    381	}
    382
    383	if (cntr != sd->vold.contrast) {
    384		sd->vold.contrast = cntr;
    385		if (cntr < 0 || cntr > sd->vmax.contrast)
    386			cntr = 0;
    387
    388		ctrl_out(gspca_dev, 0x40, 1, 0x6000       , 0x00ff, 0, NULL);
    389		ctrl_out(gspca_dev, 0x40, 1, 0x6007       , 0x007c, 0, NULL);
    390		ctrl_out(gspca_dev, 0x40, 1, 0x6000 + cntr, 0x007d, 0, NULL);
    391	}
    392
    393	if (sat != sd->vold.saturation) {
    394		sd->vold.saturation = sat;
    395		if (sat < 0 || sat > sd->vmax.saturation)
    396			sat = 0;
    397
    398		ctrl_out(gspca_dev, 0x40, 1, 0x6000      , 0x00ff, 0, NULL);
    399		ctrl_out(gspca_dev, 0x40, 1, 0x6001      , 0x007c, 0, NULL);
    400		ctrl_out(gspca_dev, 0x40, 1, 0x6000 + sat, 0x007d, 0, NULL);
    401	}
    402
    403	if (sharp != sd->vold.sharpness) {
    404		sd->vold.sharpness = sharp;
    405		if (sharp < 0 || sharp > sd->vmax.sharpness)
    406			sharp = 0;
    407
    408		ctrl_out(gspca_dev, 0x40, 1, 0x6000        , 0x00ff, 0, NULL);
    409		ctrl_out(gspca_dev, 0x40, 1, 0x6001        , 0x0092, 0, NULL);
    410		ctrl_out(gspca_dev, 0x40, 1, 0x60c0 + sharp, 0x0093, 0, NULL);
    411	}
    412
    413	if (hue != sd->vold.hue) {
    414		sd->vold.hue = hue;
    415		if (hue < 0 || hue > sd->vmax.hue)
    416			hue = 0;
    417
    418		ctrl_out(gspca_dev, 0x40, 1, 0x6000     , 0x00ff, 0, NULL);
    419		ctrl_out(gspca_dev, 0x40, 1, 0x6002     , 0x007c, 0, NULL);
    420		ctrl_out(gspca_dev, 0x40, 1, 0x6000 + hue * (hue < 255), 0x007d,
    421				0, NULL);
    422		if (hue >= 255)
    423			sd->swapRB = 1;
    424		else
    425			sd->swapRB = 0;
    426	}
    427
    428	if (gam != sd->vold.gamma) {
    429		sd->vold.gamma = gam;
    430		if (gam < 0 || gam > sd->vmax.gamma)
    431			gam = 0;
    432
    433		ctrl_out(gspca_dev, 0x40, 1, 0x6000      , 0x00ff, 0, NULL);
    434		ctrl_out(gspca_dev, 0x40, 1, 0x6008      , 0x007c, 0, NULL);
    435		ctrl_out(gspca_dev, 0x40, 1, 0x6000 + gam, 0x007d, 0, NULL);
    436	}
    437
    438	if (mirror != sd->vold.mirror || flip != sd->vold.flip) {
    439		sd->vold.mirror = mirror;
    440		sd->vold.flip   = flip;
    441
    442		mirror = 0x80 * mirror;
    443		ctrl_out(gspca_dev, 0x40, 1, 0x6001, 0x00ff, 0, NULL);
    444		ctrl_out(gspca_dev, 0x40, 1, 0x6000, 0x8004, 0, NULL);
    445		ctrl_in(gspca_dev, 0xc0, 2, 0x6000, 0x8004, 1, c28);
    446		ctrl_out(gspca_dev, 0x40, 1, 0x6028 + mirror, 0x0004, 0, NULL);
    447
    448		flip = 0x50 * flip + mirror;
    449		ctrl_out(gspca_dev, 0x40, 1, 0x6001, 0x00ff, 0, NULL);
    450		ctrl_out(gspca_dev, 0x40, 1, 0x6000, 0x8004, 0, NULL);
    451		ctrl_in(gspca_dev, 0xc0, 2, 0x6000, 0x8004, 1, ca8);
    452		ctrl_out(gspca_dev, 0x40, 1, 0x6028 + flip, 0x0004, 0, NULL);
    453
    454		ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0000, 1, c50);
    455	}
    456
    457	if (backlight != sd->vold.backlight) {
    458		sd->vold.backlight = backlight;
    459
    460		ctrl_out(gspca_dev, 0x40, 1, 0x6001                 , 0x00ff,
    461				0, NULL);
    462		ctrl_out(gspca_dev, 0x40, 1, 0x601e + backlight     , 0x0024,
    463				0, NULL);
    464		ctrl_out(gspca_dev, 0x40, 1, 0x601e + backlight - 10, 0x0025,
    465				0, NULL);
    466	}
    467
    468	return 0;
    469}
    470
    471static void ov2640_post_unset_alt(struct gspca_dev *gspca_dev)
    472{
    473	ctrl_out(gspca_dev, 0x40, 5, 0x0000, 0x0000, 0, NULL);
    474	msleep(20);
    475	fetch_validx(gspca_dev, tbl_post_unset_alt,
    476			ARRAY_SIZE(tbl_post_unset_alt));
    477}