1 /* Subdriver for the GL860 chip with the OV2640 sensor
2  * Author Olivier LORIN, from Malmostoso's logs
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 2 of the License, or
7  * any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 /* Sensor : OV2640 */
19 
20 #include "gl860.h"
21 
22 static u8 dat_init1[] = "\x00\x41\x07\x6a\x06\x61\x0d\x6a" "\x10\x10\xc1\x01";
23 
24 static u8 c61[] = {0x61}; /* expected */
25 static u8 c51[] = {0x51}; /* expected */
26 static u8 c50[] = {0x50}; /* expected */
27 static u8 c28[] = {0x28}; /* expected */
28 static u8 ca8[] = {0xa8}; /* expected */
29 
30 static u8 dat_post[] =
31 	"\x00\x41\x07\x6a\x06\xef\x0d\x6a" "\x10\x10\xc1\x01";
32 
33 static u8 dat_640[]  = "\xd0\x01\xd1\x08\xd2\xe0\xd3\x02\xd4\x10\xd5\x81";
34 static u8 dat_800[]  = "\xd0\x01\xd1\x10\xd2\x58\xd3\x02\xd4\x18\xd5\x21";
35 static u8 dat_1280[] = "\xd0\x01\xd1\x18\xd2\xc0\xd3\x02\xd4\x28\xd5\x01";
36 static u8 dat_1600[] = "\xd0\x01\xd1\x20\xd2\xb0\xd3\x02\xd4\x30\xd5\x41";
37 
38 static struct validx tbl_init_at_startup[] = {
39 	{0x0000, 0x0000}, {0x0010, 0x0010}, {0x0008, 0x00c0}, {0x0001, 0x00c1},
40 	{0x0001, 0x00c2}, {0x0020, 0x0006}, {0x006a, 0x000d},
41 	{0x0050, 0x0000}, {0x0041, 0x0000}, {0x006a, 0x0007}, {0x0061, 0x0006},
42 	{0x006a, 0x000d}, {0x0000, 0x00c0}, {0x0010, 0x0010}, {0x0001, 0x00c1},
43 	{0x0041, 0x00c2}, {0x0004, 0x00d8}, {0x0012, 0x0004}, {0x0000, 0x0058},
44 	{0x0041, 0x0000}, {0x0061, 0x0000},
45 };
46 
47 static struct validx tbl_common[] = {
48 	{0x6000, 0x00ff}, {0x60ff, 0x002c}, {0x60df, 0x002e}, {0x6001, 0x00ff},
49 	{0x6080, 0x0012}, {0x6000, 0x0000}, {0x6000, 0x0045}, {0x6000, 0x0010},
50 	{0x6035, 0x003c}, {0x6000, 0x0011}, {0x6028, 0x0004}, {0x60e5, 0x0013},
51 	{0x6088, 0x0014}, {0x600c, 0x002c}, {0x6078, 0x0033}, {0x60f7, 0x003b},
52 	{0x6000, 0x003e}, {0x6011, 0x0043}, {0x6010, 0x0016}, {0x6082, 0x0039},
53 	{0x6088, 0x0035}, {0x600a, 0x0022}, {0x6040, 0x0037}, {0x6000, 0x0023},
54 	{0x60a0, 0x0034}, {0x601a, 0x0036}, {0x6002, 0x0006}, {0x60c0, 0x0007},
55 	{0x60b7, 0x000d}, {0x6001, 0x000e}, {0x6000, 0x004c}, {0x6081, 0x004a},
56 	{0x6099, 0x0021}, {0x6002, 0x0009}, {0x603e, 0x0024}, {0x6034, 0x0025},
57 	{0x6081, 0x0026}, {0x6000, 0x0000}, {0x6000, 0x0045}, {0x6000, 0x0010},
58 	{0x6000, 0x005c}, {0x6000, 0x0063}, {0x6000, 0x007c}, {0x6070, 0x0061},
59 	{0x6080, 0x0062}, {0x6080, 0x0020}, {0x6030, 0x0028}, {0x6000, 0x006c},
60 	{0x6000, 0x006e}, {0x6002, 0x0070}, {0x6094, 0x0071}, {0x60c1, 0x0073},
61 	{0x6034, 0x003d}, {0x6057, 0x005a}, {0x60bb, 0x004f}, {0x609c, 0x0050},
62 	{0x6080, 0x006d}, {0x6002, 0x0039}, {0x6033, 0x003a}, {0x60f1, 0x003b},
63 	{0x6031, 0x003c}, {0x6000, 0x00ff}, {0x6014, 0x00e0}, {0x60ff, 0x0076},
64 	{0x60a0, 0x0033}, {0x6020, 0x0042}, {0x6018, 0x0043}, {0x6000, 0x004c},
65 	{0x60d0, 0x0087}, {0x600f, 0x0088}, {0x6003, 0x00d7}, {0x6010, 0x00d9},
66 	{0x6005, 0x00da}, {0x6082, 0x00d3}, {0x60c0, 0x00f9}, {0x6006, 0x0044},
67 	{0x6007, 0x00d1}, {0x6002, 0x00d2}, {0x6000, 0x00d2}, {0x6011, 0x00d8},
68 	{0x6008, 0x00c8}, {0x6080, 0x00c9}, {0x6008, 0x007c}, {0x6020, 0x007d},
69 	{0x6020, 0x007d}, {0x6000, 0x0090}, {0x600e, 0x0091}, {0x601a, 0x0091},
70 	{0x6031, 0x0091}, {0x605a, 0x0091}, {0x6069, 0x0091}, {0x6075, 0x0091},
71 	{0x607e, 0x0091}, {0x6088, 0x0091}, {0x608f, 0x0091}, {0x6096, 0x0091},
72 	{0x60a3, 0x0091}, {0x60af, 0x0091}, {0x60c4, 0x0091}, {0x60d7, 0x0091},
73 	{0x60e8, 0x0091}, {0x6020, 0x0091}, {0x6000, 0x0092}, {0x6006, 0x0093},
74 	{0x60e3, 0x0093}, {0x6005, 0x0093}, {0x6005, 0x0093}, {0x6000, 0x0093},
75 	{0x6004, 0x0093}, {0x6000, 0x0093}, {0x6000, 0x0093}, {0x6000, 0x0093},
76 	{0x6000, 0x0093}, {0x6000, 0x0093}, {0x6000, 0x0093}, {0x6000, 0x0093},
77 	{0x6000, 0x0096}, {0x6008, 0x0097}, {0x6019, 0x0097}, {0x6002, 0x0097},
78 	{0x600c, 0x0097}, {0x6024, 0x0097}, {0x6030, 0x0097}, {0x6028, 0x0097},
79 	{0x6026, 0x0097}, {0x6002, 0x0097}, {0x6098, 0x0097}, {0x6080, 0x0097},
80 	{0x6000, 0x0097}, {0x6000, 0x0097}, {0x60ed, 0x00c3}, {0x609a, 0x00c4},
81 	{0x6000, 0x00a4}, {0x6011, 0x00c5}, {0x6051, 0x00c6}, {0x6010, 0x00c7},
82 	{0x6066, 0x00b6}, {0x60a5, 0x00b8}, {0x6064, 0x00b7}, {0x607c, 0x00b9},
83 	{0x60af, 0x00b3}, {0x6097, 0x00b4}, {0x60ff, 0x00b5}, {0x60c5, 0x00b0},
84 	{0x6094, 0x00b1}, {0x600f, 0x00b2}, {0x605c, 0x00c4}, {0x6000, 0x00a8},
85 	{0x60c8, 0x00c0}, {0x6096, 0x00c1}, {0x601d, 0x0086}, {0x6000, 0x0050},
86 	{0x6090, 0x0051}, {0x6018, 0x0052}, {0x6000, 0x0053}, {0x6000, 0x0054},
87 	{0x6088, 0x0055}, {0x6000, 0x0057}, {0x6090, 0x005a}, {0x6018, 0x005b},
88 	{0x6005, 0x005c}, {0x60ed, 0x00c3}, {0x6000, 0x007f}, {0x6005, 0x00da},
89 	{0x601f, 0x00e5}, {0x6067, 0x00e1}, {0x6000, 0x00e0}, {0x60ff, 0x00dd},
90 	{0x6000, 0x0005}, {0x6001, 0x00ff}, {0x6000, 0x0000}, {0x6000, 0x0045},
91 	{0x6000, 0x0010},
92 };
93 
94 static struct validx tbl_sensor_settings_common1[] = {
95 	{0x0041, 0x0000}, {0x006a, 0x0007}, {0x00ef, 0x0006}, {0x006a, 0x000d},
96 	{0x0000, 0x00c0}, {0x0010, 0x0010}, {0x0001, 0x00c1}, {0x0041, 0x00c2},
97 	{0x0004, 0x00d8}, {0x0012, 0x0004}, {0x0000, 0x0058}, {0x0041, 0x0000},
98 	{50, 0xffff},
99 	{0x0061, 0x0000},
100 	{0xffff, 0xffff},
101 	{0x6000, 0x00ff}, {0x6000, 0x007c}, {0x6007, 0x007d},
102 	{30, 0xffff},
103 	{0x0040, 0x0000},
104 };
105 
106 static struct validx tbl_sensor_settings_common2[] = {
107 	{0x6001, 0x00ff}, {0x6038, 0x000c},
108 	{10, 0xffff},
109 	{0x6000, 0x0011},
110 };
111 
112 static struct validx tbl_640[] = {
113 	{0x6000, 0x00ff}, {0x60f1, 0x00dd}, {0x6004, 0x00e0}, {0x6067, 0x00e1},
114 	{0x6004, 0x00da}, {0x6000, 0x00ff}, {0x60f1, 0x00dd}, {0x6004, 0x00e0},
115 	{0x6001, 0x00ff}, {0x6000, 0x0012}, {0x6000, 0x0011}, {0x6011, 0x0017},
116 	{0x6075, 0x0018}, {0x6001, 0x0019}, {0x6097, 0x001a}, {0x6036, 0x0032},
117 	{0x60bb, 0x004f}, {0x6057, 0x005a}, {0x609c, 0x0050}, {0x6080, 0x006d},
118 	{0x6092, 0x0026}, {0x60ff, 0x0020}, {0x6000, 0x0027}, {0x6000, 0x00ff},
119 	{0x60c8, 0x00c0}, {0x6096, 0x00c1}, {0x6000, 0x008c}, {0x603d, 0x0086},
120 	{0x6089, 0x0050}, {0x6090, 0x0051}, {0x602c, 0x0052}, {0x6000, 0x0053},
121 	{0x6000, 0x0054}, {0x6088, 0x0055}, {0x6000, 0x0057}, {0x60a0, 0x005a},
122 	{0x6078, 0x005b}, {0x6000, 0x005c}, {0x6004, 0x00d3}, {0x6000, 0x00e0},
123 	{0x60ff, 0x00dd}, {0x60a1, 0x005a},
124 };
125 
126 static struct validx tbl_800[] = {
127 	{0x6000, 0x00ff}, {0x60f1, 0x00dd}, {0x6004, 0x00e0}, {0x6067, 0x00e1},
128 	{0x6004, 0x00da}, {0x6000, 0x00ff}, {0x60f1, 0x00dd}, {0x6004, 0x00e0},
129 	{0x6001, 0x00ff}, {0x6040, 0x0012}, {0x6000, 0x0011}, {0x6011, 0x0017},
130 	{0x6043, 0x0018}, {0x6000, 0x0019}, {0x604b, 0x001a}, {0x6009, 0x0032},
131 	{0x60ca, 0x004f}, {0x60a8, 0x0050}, {0x6000, 0x006d}, {0x6038, 0x003d},
132 	{0x60c8, 0x0035}, {0x6000, 0x0022}, {0x6092, 0x0026}, {0x60ff, 0x0020},
133 	{0x6000, 0x0027}, {0x6000, 0x00ff}, {0x6064, 0x00c0}, {0x604b, 0x00c1},
134 	{0x6000, 0x008c}, {0x601d, 0x0086}, {0x6082, 0x00d3}, {0x6000, 0x00e0},
135 	{0x60ff, 0x00dd}, {0x6020, 0x008c}, {0x6001, 0x00ff}, {0x6044, 0x0018},
136 };
137 
138 static struct validx tbl_big1[] = {
139 	{0x0002, 0x00c1}, {0x6000, 0x00ff}, {0x60f1, 0x00dd}, {0x6004, 0x00e0},
140 	{0x6001, 0x00ff}, {0x6000, 0x0012}, {0x6000, 0x0000}, {0x6000, 0x0045},
141 	{0x6000, 0x0010}, {0x6000, 0x0011}, {0x6011, 0x0017}, {0x6075, 0x0018},
142 	{0x6001, 0x0019}, {0x6097, 0x001a}, {0x6036, 0x0032}, {0x60bb, 0x004f},
143 	{0x609c, 0x0050}, {0x6057, 0x005a}, {0x6080, 0x006d}, {0x6043, 0x000f},
144 	{0x608f, 0x0003}, {0x6005, 0x007c}, {0x6081, 0x0026}, {0x6000, 0x00ff},
145 	{0x60c8, 0x00c0}, {0x6096, 0x00c1}, {0x6000, 0x008c},
146 };
147 
148 static struct validx tbl_big2[] = {
149 	{0x603d, 0x0086}, {0x6000, 0x0050}, {0x6090, 0x0051}, {0x602c, 0x0052},
150 	{0x6000, 0x0053}, {0x6000, 0x0054}, {0x6088, 0x0055}, {0x6000, 0x0057},
151 	{0x6040, 0x005a}, {0x60f0, 0x005b}, {0x6001, 0x005c}, {0x6082, 0x00d3},
152 	{0x6000, 0x008e},
153 };
154 
155 static struct validx tbl_big3[] = {
156 	{0x6004, 0x00da}, {0x6000, 0x00e0}, {0x6067, 0x00e1}, {0x60ff, 0x00dd},
157 	{0x6001, 0x00ff}, {0x6000, 0x00ff}, {0x60f1, 0x00dd}, {0x6004, 0x00e0},
158 	{0x6001, 0x00ff}, {0x6000, 0x0011}, {0x6000, 0x00ff}, {0x6010, 0x00c7},
159 	{0x6000, 0x0092}, {0x6006, 0x0093}, {0x60e3, 0x0093}, {0x6005, 0x0093},
160 	{0x6005, 0x0093}, {0x60ed, 0x00c3}, {0x6000, 0x00a4}, {0x60d0, 0x0087},
161 	{0x6003, 0x0096}, {0x600c, 0x0097}, {0x6024, 0x0097}, {0x6030, 0x0097},
162 	{0x6028, 0x0097}, {0x6026, 0x0097}, {0x6002, 0x0097}, {0x6001, 0x00ff},
163 	{0x6043, 0x000f}, {0x608f, 0x0003}, {0x6000, 0x002d}, {0x6000, 0x002e},
164 	{0x600a, 0x0022}, {0x6002, 0x0070}, {0x6008, 0x0014}, {0x6048, 0x0014},
165 	{0x6000, 0x00ff}, {0x6000, 0x00e0}, {0x60ff, 0x00dd},
166 };
167 
168 static struct validx tbl_post_unset_alt[] = {
169 	{0x006a, 0x000d}, {0x6001, 0x00ff}, {0x6081, 0x0026}, {0x6000, 0x0000},
170 	{0x6000, 0x0045}, {0x6000, 0x0010}, {0x6068, 0x000d},
171 	{50, 0xffff},
172 	{0x0021, 0x0000},
173 };
174 
175 static int  ov2640_init_at_startup(struct gspca_dev *gspca_dev);
176 static int  ov2640_configure_alt(struct gspca_dev *gspca_dev);
177 static int  ov2640_init_pre_alt(struct gspca_dev *gspca_dev);
178 static int  ov2640_init_post_alt(struct gspca_dev *gspca_dev);
179 static void ov2640_post_unset_alt(struct gspca_dev *gspca_dev);
180 static int  ov2640_camera_settings(struct gspca_dev *gspca_dev);
181 /*==========================================================================*/
182 
183 void ov2640_init_settings(struct gspca_dev *gspca_dev)
184 {
185 	struct sd *sd = (struct sd *) gspca_dev;
186 
187 	sd->vcur.backlight  =  32;
188 	sd->vcur.brightness =   0;
189 	sd->vcur.sharpness  =   6;
190 	sd->vcur.contrast   =   0;
191 	sd->vcur.gamma      =  32;
192 	sd->vcur.hue        =   0;
193 	sd->vcur.saturation = 128;
194 	sd->vcur.whitebal   =  64;
195 	sd->vcur.mirror     =   0;
196 	sd->vcur.flip       =   0;
197 
198 	sd->vmax.backlight  =  64;
199 	sd->vmax.brightness = 255;
200 	sd->vmax.sharpness  =  31;
201 	sd->vmax.contrast   = 255;
202 	sd->vmax.gamma      =  64;
203 	sd->vmax.hue        = 254 + 2;
204 	sd->vmax.saturation = 255;
205 	sd->vmax.whitebal   = 128;
206 	sd->vmax.mirror     = 1;
207 	sd->vmax.flip       = 1;
208 	sd->vmax.AC50Hz     = 0;
209 
210 	sd->dev_camera_settings = ov2640_camera_settings;
211 	sd->dev_init_at_startup = ov2640_init_at_startup;
212 	sd->dev_configure_alt   = ov2640_configure_alt;
213 	sd->dev_init_pre_alt    = ov2640_init_pre_alt;
214 	sd->dev_post_unset_alt  = ov2640_post_unset_alt;
215 }
216 
217 /*==========================================================================*/
218 
219 static void common(struct gspca_dev *gspca_dev)
220 {
221 	fetch_validx(gspca_dev, tbl_common, ARRAY_SIZE(tbl_common));
222 }
223 
224 static int ov2640_init_at_startup(struct gspca_dev *gspca_dev)
225 {
226 	fetch_validx(gspca_dev, tbl_init_at_startup,
227 			ARRAY_SIZE(tbl_init_at_startup));
228 
229 	ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200, 12, dat_init1);
230 
231 	common(gspca_dev);
232 
233 	ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0006, 1, c61);
234 
235 	ctrl_out(gspca_dev, 0x40, 1, 0x00ef, 0x0006, 0, NULL);
236 
237 	ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0000, 1, c51);
238 
239 	ctrl_out(gspca_dev, 0x40, 1, 0x0051, 0x0000, 0, NULL);
240 /*	ctrl_out(gspca_dev, 0x40, 11, 0x0000, 0x0000, 0, NULL); */
241 
242 	return 0;
243 }
244 
245 static int ov2640_init_pre_alt(struct gspca_dev *gspca_dev)
246 {
247 	struct sd *sd = (struct sd *) gspca_dev;
248 
249 	sd->mirrorMask = 0;
250 
251 	sd->vold.backlight  = -1;
252 	sd->vold.brightness = -1;
253 	sd->vold.sharpness  = -1;
254 	sd->vold.contrast   = -1;
255 	sd->vold.saturation = -1;
256 	sd->vold.gamma    = -1;
257 	sd->vold.hue      = -1;
258 	sd->vold.whitebal = -1;
259 	sd->vold.mirror = -1;
260 	sd->vold.flip   = -1;
261 
262 	ov2640_init_post_alt(gspca_dev);
263 
264 	return 0;
265 }
266 
267 static int ov2640_init_post_alt(struct gspca_dev *gspca_dev)
268 {
269 	s32 reso = gspca_dev->cam.cam_mode[(s32) gspca_dev->curr_mode].priv;
270 	s32 n; /* reserved for FETCH functions */
271 
272 	ctrl_out(gspca_dev, 0x40, 5, 0x0001, 0x0000, 0, NULL);
273 
274 	n = fetch_validx(gspca_dev, tbl_sensor_settings_common1,
275 			ARRAY_SIZE(tbl_sensor_settings_common1));
276 	ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200, 12, dat_post);
277 	common(gspca_dev);
278 	keep_on_fetching_validx(gspca_dev, tbl_sensor_settings_common1,
279 				ARRAY_SIZE(tbl_sensor_settings_common1), n);
280 
281 	switch (reso) {
282 	case IMAGE_640:
283 		n = fetch_validx(gspca_dev, tbl_640, ARRAY_SIZE(tbl_640));
284 		ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200, 12, dat_640);
285 		break;
286 
287 	case IMAGE_800:
288 		n = fetch_validx(gspca_dev, tbl_800, ARRAY_SIZE(tbl_800));
289 		ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200, 12, dat_800);
290 		break;
291 
292 	case IMAGE_1600:
293 	case IMAGE_1280:
294 		n = fetch_validx(gspca_dev, tbl_big1, ARRAY_SIZE(tbl_big1));
295 
296 		if (reso == IMAGE_1280) {
297 			n = fetch_validx(gspca_dev, tbl_big2,
298 					ARRAY_SIZE(tbl_big2));
299 		} else {
300 			ctrl_out(gspca_dev, 0x40, 1, 0x601d, 0x0086, 0, NULL);
301 			ctrl_out(gspca_dev, 0x40, 1, 0x6001, 0x00d7, 0, NULL);
302 			ctrl_out(gspca_dev, 0x40, 1, 0x6082, 0x00d3, 0, NULL);
303 		}
304 
305 		n = fetch_validx(gspca_dev, tbl_big3, ARRAY_SIZE(tbl_big3));
306 
307 		if (reso == IMAGE_1280) {
308 			ctrl_out(gspca_dev, 0x40, 1, 0x6001, 0x00ff, 0, NULL);
309 			ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200,
310 					12, dat_1280);
311 		} else {
312 			ctrl_out(gspca_dev, 0x40, 1, 0x6020, 0x008c, 0, NULL);
313 			ctrl_out(gspca_dev, 0x40, 1, 0x6001, 0x00ff, 0, NULL);
314 			ctrl_out(gspca_dev, 0x40, 1, 0x6076, 0x0018, 0, NULL);
315 			ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200,
316 					12, dat_1600);
317 		}
318 		break;
319 	}
320 
321 	n = fetch_validx(gspca_dev, tbl_sensor_settings_common2,
322 			ARRAY_SIZE(tbl_sensor_settings_common2));
323 
324 	ov2640_camera_settings(gspca_dev);
325 
326 	return 0;
327 }
328 
329 static int ov2640_configure_alt(struct gspca_dev *gspca_dev)
330 {
331 	s32 reso = gspca_dev->cam.cam_mode[(s32) gspca_dev->curr_mode].priv;
332 
333 	switch (reso) {
334 	case IMAGE_640:
335 		gspca_dev->alt = 3 + 1;
336 		break;
337 
338 	case IMAGE_800:
339 	case IMAGE_1280:
340 	case IMAGE_1600:
341 		gspca_dev->alt = 1 + 1;
342 		break;
343 	}
344 	return 0;
345 }
346 
347 static int ov2640_camera_settings(struct gspca_dev *gspca_dev)
348 {
349 	struct sd *sd = (struct sd *) gspca_dev;
350 
351 	s32 backlight = sd->vcur.backlight;
352 	s32 bright = sd->vcur.brightness;
353 	s32 sharp  = sd->vcur.sharpness;
354 	s32 gam    = sd->vcur.gamma;
355 	s32 cntr   = sd->vcur.contrast;
356 	s32 sat    = sd->vcur.saturation;
357 	s32 hue    = sd->vcur.hue;
358 	s32 wbal   = sd->vcur.whitebal;
359 	s32 mirror = (((sd->vcur.mirror > 0) ^ sd->mirrorMask) == 0);
360 	s32 flip   = (((sd->vcur.flip   > 0) ^ sd->mirrorMask) == 0);
361 
362 	if (backlight != sd->vold.backlight) {
363 		/* No sd->vold.backlight=backlight; (to be done again later) */
364 		if (backlight < 0 || backlight > sd->vmax.backlight)
365 			backlight = 0;
366 
367 		ctrl_out(gspca_dev, 0x40, 1, 0x6001                 , 0x00ff,
368 				0, NULL);
369 		ctrl_out(gspca_dev, 0x40, 1, 0x601e + backlight     , 0x0024,
370 				0, NULL);
371 		ctrl_out(gspca_dev, 0x40, 1, 0x601e + backlight - 10, 0x0025,
372 				0, NULL);
373 	}
374 
375 	if (bright != sd->vold.brightness) {
376 		sd->vold.brightness = bright;
377 		if (bright < 0 || bright > sd->vmax.brightness)
378 			bright = 0;
379 
380 		ctrl_out(gspca_dev, 0x40, 1, 0x6000         , 0x00ff, 0, NULL);
381 		ctrl_out(gspca_dev, 0x40, 1, 0x6009         , 0x007c, 0, NULL);
382 		ctrl_out(gspca_dev, 0x40, 1, 0x6000 + bright, 0x007d, 0, NULL);
383 	}
384 
385 	if (wbal != sd->vold.whitebal) {
386 		sd->vold.whitebal = wbal;
387 		if (wbal < 0 || wbal > sd->vmax.whitebal)
388 			wbal = 0;
389 
390 		ctrl_out(gspca_dev, 0x40, 1, 0x6000       , 0x00ff, 0, NULL);
391 		ctrl_out(gspca_dev, 0x40, 1, 0x6003       , 0x007c, 0, NULL);
392 		ctrl_out(gspca_dev, 0x40, 1, 0x6000 + wbal, 0x007d, 0, NULL);
393 	}
394 
395 	if (cntr != sd->vold.contrast) {
396 		sd->vold.contrast = cntr;
397 		if (cntr < 0 || cntr > sd->vmax.contrast)
398 			cntr = 0;
399 
400 		ctrl_out(gspca_dev, 0x40, 1, 0x6000       , 0x00ff, 0, NULL);
401 		ctrl_out(gspca_dev, 0x40, 1, 0x6007       , 0x007c, 0, NULL);
402 		ctrl_out(gspca_dev, 0x40, 1, 0x6000 + cntr, 0x007d, 0, NULL);
403 	}
404 
405 	if (sat != sd->vold.saturation) {
406 		sd->vold.saturation = sat;
407 		if (sat < 0 || sat > sd->vmax.saturation)
408 			sat = 0;
409 
410 		ctrl_out(gspca_dev, 0x40, 1, 0x6000      , 0x00ff, 0, NULL);
411 		ctrl_out(gspca_dev, 0x40, 1, 0x6001      , 0x007c, 0, NULL);
412 		ctrl_out(gspca_dev, 0x40, 1, 0x6000 + sat, 0x007d, 0, NULL);
413 	}
414 
415 	if (sharp != sd->vold.sharpness) {
416 		sd->vold.sharpness = sharp;
417 		if (sharp < 0 || sharp > sd->vmax.sharpness)
418 			sharp = 0;
419 
420 		ctrl_out(gspca_dev, 0x40, 1, 0x6000        , 0x00ff, 0, NULL);
421 		ctrl_out(gspca_dev, 0x40, 1, 0x6001        , 0x0092, 0, NULL);
422 		ctrl_out(gspca_dev, 0x40, 1, 0x60c0 + sharp, 0x0093, 0, NULL);
423 	}
424 
425 	if (hue != sd->vold.hue) {
426 		sd->vold.hue = hue;
427 		if (hue < 0 || hue > sd->vmax.hue)
428 			hue = 0;
429 
430 		ctrl_out(gspca_dev, 0x40, 1, 0x6000     , 0x00ff, 0, NULL);
431 		ctrl_out(gspca_dev, 0x40, 1, 0x6002     , 0x007c, 0, NULL);
432 		ctrl_out(gspca_dev, 0x40, 1, 0x6000 + hue * (hue < 255), 0x007d,
433 				0, NULL);
434 		if (hue >= 255)
435 			sd->swapRB = 1;
436 		else
437 			sd->swapRB = 0;
438 	}
439 
440 	if (gam != sd->vold.gamma) {
441 		sd->vold.gamma = gam;
442 		if (gam < 0 || gam > sd->vmax.gamma)
443 			gam = 0;
444 
445 		ctrl_out(gspca_dev, 0x40, 1, 0x6000      , 0x00ff, 0, NULL);
446 		ctrl_out(gspca_dev, 0x40, 1, 0x6008      , 0x007c, 0, NULL);
447 		ctrl_out(gspca_dev, 0x40, 1, 0x6000 + gam, 0x007d, 0, NULL);
448 	}
449 
450 	if (mirror != sd->vold.mirror || flip != sd->vold.flip) {
451 		sd->vold.mirror = mirror;
452 		sd->vold.flip   = flip;
453 
454 		mirror = 0x80 * mirror;
455 		ctrl_out(gspca_dev, 0x40, 1, 0x6001, 0x00ff, 0, NULL);
456 		ctrl_out(gspca_dev, 0x40, 1, 0x6000, 0x8004, 0, NULL);
457 		ctrl_in(gspca_dev, 0xc0, 2, 0x6000, 0x8004, 1, c28);
458 		ctrl_out(gspca_dev, 0x40, 1, 0x6028 + mirror, 0x0004, 0, NULL);
459 
460 		flip = 0x50 * flip + mirror;
461 		ctrl_out(gspca_dev, 0x40, 1, 0x6001, 0x00ff, 0, NULL);
462 		ctrl_out(gspca_dev, 0x40, 1, 0x6000, 0x8004, 0, NULL);
463 		ctrl_in(gspca_dev, 0xc0, 2, 0x6000, 0x8004, 1, ca8);
464 		ctrl_out(gspca_dev, 0x40, 1, 0x6028 + flip, 0x0004, 0, NULL);
465 
466 		ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0000, 1, c50);
467 	}
468 
469 	if (backlight != sd->vold.backlight) {
470 		sd->vold.backlight = backlight;
471 
472 		ctrl_out(gspca_dev, 0x40, 1, 0x6001                 , 0x00ff,
473 				0, NULL);
474 		ctrl_out(gspca_dev, 0x40, 1, 0x601e + backlight     , 0x0024,
475 				0, NULL);
476 		ctrl_out(gspca_dev, 0x40, 1, 0x601e + backlight - 10, 0x0025,
477 				0, NULL);
478 	}
479 
480 	return 0;
481 }
482 
483 static void ov2640_post_unset_alt(struct gspca_dev *gspca_dev)
484 {
485 	ctrl_out(gspca_dev, 0x40, 5, 0x0000, 0x0000, 0, NULL);
486 	msleep(20);
487 	fetch_validx(gspca_dev, tbl_post_unset_alt,
488 			ARRAY_SIZE(tbl_post_unset_alt));
489 }
490