1 /* Subdriver for the GL860 chip with the MI2020 sensor
2  * Author Olivier LORIN, from logs by Iceman/Soro2005 + Fret_saw/Hulkie/Tricid
3  * with the help of Kytrix/BUGabundo/Blazercist.
4  * Driver achieved thanks to a webcam gift by Kytrix.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 /* Sensor : MI2020 */
21 
22 #include "gl860.h"
23 
24 static u8 dat_wbal1[] = {0x8c, 0xa2, 0x0c};
25 
26 static u8 dat_bright1[] = {0x8c, 0xa2, 0x06};
27 static u8 dat_bright3[] = {0x8c, 0xa1, 0x02};
28 static u8 dat_bright4[] = {0x90, 0x00, 0x0f};
29 static u8 dat_bright5[] = {0x8c, 0xa1, 0x03};
30 static u8 dat_bright6[] = {0x90, 0x00, 0x05};
31 
32 static u8 dat_hvflip1[] = {0x8c, 0x27, 0x19};
33 static u8 dat_hvflip3[] = {0x8c, 0x27, 0x3b};
34 static u8 dat_hvflip5[] = {0x8c, 0xa1, 0x03};
35 static u8 dat_hvflip6[] = {0x90, 0x00, 0x06};
36 
37 static struct idxdata tbl_middle_hvflip_low[] = {
38 	{0x33, "\x90\x00\x06"},
39 	{6, "\xff\xff\xff"},
40 	{0x33, "\x90\x00\x06"},
41 	{6, "\xff\xff\xff"},
42 	{0x33, "\x90\x00\x06"},
43 	{6, "\xff\xff\xff"},
44 	{0x33, "\x90\x00\x06"},
45 	{6, "\xff\xff\xff"},
46 };
47 
48 static struct idxdata tbl_middle_hvflip_big[] = {
49 	{0x33, "\x8c\xa1\x03"}, {0x33, "\x90\x00\x01"}, {0x33, "\x8c\xa1\x20"},
50 	{0x33, "\x90\x00\x00"}, {0x33, "\x8c\xa7\x02"}, {0x33, "\x90\x00\x00"},
51 	{102, "\xff\xff\xff"},
52 	{0x33, "\x8c\xa1\x03"}, {0x33, "\x90\x00\x02"}, {0x33, "\x8c\xa1\x20"},
53 	{0x33, "\x90\x00\x72"}, {0x33, "\x8c\xa7\x02"}, {0x33, "\x90\x00\x01"},
54 };
55 
56 static struct idxdata tbl_end_hvflip[] = {
57 	{0x33, "\x8c\xa1\x02"}, {0x33, "\x90\x00\x1f"},
58 	{6, "\xff\xff\xff"},
59 	{0x33, "\x8c\xa1\x02"}, {0x33, "\x90\x00\x1f"},
60 	{6, "\xff\xff\xff"},
61 	{0x33, "\x8c\xa1\x02"}, {0x33, "\x90\x00\x1f"},
62 	{6, "\xff\xff\xff"},
63 	{0x33, "\x8c\xa1\x02"}, {0x33, "\x90\x00\x1f"},
64 };
65 
66 static u8 dat_freq1[] = { 0x8c, 0xa4, 0x04 };
67 
68 static u8 dat_multi5[] = { 0x8c, 0xa1, 0x03 };
69 static u8 dat_multi6[] = { 0x90, 0x00, 0x05 };
70 
71 static struct validx tbl_init_at_startup[] = {
72 	{0x0000, 0x0000}, {0x0010, 0x0010}, {0x0008, 0x00c0}, {0x0001, 0x00c1},
73 	{0x0001, 0x00c2}, {0x0020, 0x0006}, {0x006a, 0x000d},
74 	{53, 0xffff},
75 	{0x0040, 0x0000}, {0x0063, 0x0006},
76 };
77 
78 static struct validx tbl_common_0B[] = {
79 	{0x0002, 0x0004}, {0x006a, 0x0007}, {0x00ef, 0x0006}, {0x006a, 0x000d},
80 	{0x0000, 0x00c0}, {0x0010, 0x0010}, {0x0003, 0x00c1}, {0x0042, 0x00c2},
81 	{0x0004, 0x00d8}, {0x0000, 0x0058}, {0x0041, 0x0000},
82 };
83 
84 static struct idxdata tbl_common_3B[] = {
85 	{0x33, "\x86\x25\x01"}, {0x33, "\x86\x25\x00"},
86 	{2, "\xff\xff\xff"},
87 	{0x30, "\x1a\x0a\xcc"}, {0x32, "\x02\x00\x08"}, {0x33, "\xf4\x03\x1d"},
88 	{6, "\xff\xff\xff"}, /* 12 */
89 	{0x34, "\x1e\x8f\x09"}, {0x34, "\x1c\x01\x28"}, {0x34, "\x1e\x8f\x09"},
90 	{2, "\xff\xff\xff"}, /* - */
91 	{0x34, "\x1e\x8f\x09"}, {0x32, "\x14\x06\xe6"}, {0x33, "\x8c\x22\x23"},
92 	{0x33, "\x90\x00\x00"}, {0x33, "\x8c\xa2\x0f"}, {0x33, "\x90\x00\x0d"},
93 	{0x33, "\x8c\xa2\x10"}, {0x33, "\x90\x00\x0b"}, {0x33, "\x8c\xa2\x11"},
94 	{0x33, "\x90\x00\x07"}, {0x33, "\xf4\x03\x1d"}, {0x35, "\xa2\x00\xe2"},
95 	{0x33, "\x8c\xab\x05"}, {0x33, "\x90\x00\x01"}, {0x32, "\x6e\x00\x86"},
96 	{0x32, "\x70\x0f\xaa"}, {0x32, "\x72\x0f\xe4"}, {0x33, "\x8c\xa3\x4a"},
97 	{0x33, "\x90\x00\x5a"}, {0x33, "\x8c\xa3\x4b"}, {0x33, "\x90\x00\xa6"},
98 	{0x33, "\x8c\xa3\x61"}, {0x33, "\x90\x00\xc8"}, {0x33, "\x8c\xa3\x62"},
99 	{0x33, "\x90\x00\xe1"}, {0x34, "\xce\x01\xa8"}, {0x34, "\xd0\x66\x33"},
100 	{0x34, "\xd2\x31\x9a"}, {0x34, "\xd4\x94\x63"}, {0x34, "\xd6\x4b\x25"},
101 	{0x34, "\xd8\x26\x70"}, {0x34, "\xda\x72\x4c"}, {0x34, "\xdc\xff\x04"},
102 	{0x34, "\xde\x01\x5b"}, {0x34, "\xe6\x01\x13"}, {0x34, "\xee\x0b\xf0"},
103 	{0x34, "\xf6\x0b\xa4"}, {0x35, "\x00\xf6\xe7"}, {0x35, "\x08\x0d\xfd"},
104 	{0x35, "\x10\x25\x63"}, {0x35, "\x18\x35\x6c"}, {0x35, "\x20\x42\x7e"},
105 	{0x35, "\x28\x19\x44"}, {0x35, "\x30\x39\xd4"}, {0x35, "\x38\xf5\xa8"},
106 	{0x35, "\x4c\x07\x90"}, {0x35, "\x44\x07\xb8"}, {0x35, "\x5c\x06\x88"},
107 	{0x35, "\x54\x07\xff"}, {0x34, "\xe0\x01\x52"}, {0x34, "\xe8\x00\xcc"},
108 	{0x34, "\xf0\x0d\x83"}, {0x34, "\xf8\x0c\xb3"}, {0x35, "\x02\xfe\xba"},
109 	{0x35, "\x0a\x04\xe0"}, {0x35, "\x12\x1c\x63"}, {0x35, "\x1a\x2b\x5a"},
110 	{0x35, "\x22\x32\x5e"}, {0x35, "\x2a\x0d\x28"}, {0x35, "\x32\x2c\x02"},
111 	{0x35, "\x3a\xf4\xfa"}, {0x35, "\x4e\x07\xef"}, {0x35, "\x46\x07\x88"},
112 	{0x35, "\x5e\x07\xc1"}, {0x35, "\x56\x04\x64"}, {0x34, "\xe4\x01\x15"},
113 	{0x34, "\xec\x00\x82"}, {0x34, "\xf4\x0c\xce"}, {0x34, "\xfc\x0c\xba"},
114 	{0x35, "\x06\x1f\x02"}, {0x35, "\x0e\x02\xe3"}, {0x35, "\x16\x1a\x50"},
115 	{0x35, "\x1e\x24\x39"}, {0x35, "\x26\x23\x4c"}, {0x35, "\x2e\xf9\x1b"},
116 	{0x35, "\x36\x23\x19"}, {0x35, "\x3e\x12\x08"}, {0x35, "\x52\x07\x22"},
117 	{0x35, "\x4a\x03\xd3"}, {0x35, "\x62\x06\x54"}, {0x35, "\x5a\x04\x5d"},
118 	{0x34, "\xe2\x01\x04"}, {0x34, "\xea\x00\xa0"}, {0x34, "\xf2\x0c\xbc"},
119 	{0x34, "\xfa\x0c\x5b"}, {0x35, "\x04\x17\xf2"}, {0x35, "\x0c\x02\x08"},
120 	{0x35, "\x14\x28\x43"}, {0x35, "\x1c\x28\x62"}, {0x35, "\x24\x2b\x60"},
121 	{0x35, "\x2c\x07\x33"}, {0x35, "\x34\x1f\xb0"}, {0x35, "\x3c\xed\xcd"},
122 	{0x35, "\x50\x00\x06"}, {0x35, "\x48\x07\xff"}, {0x35, "\x60\x05\x89"},
123 	{0x35, "\x58\x07\xff"}, {0x35, "\x40\x00\xa0"}, {0x35, "\x42\x00\x00"},
124 	{0x32, "\x10\x01\xfc"}, {0x33, "\x8c\xa1\x18"}, {0x33, "\x90\x00\x3c"},
125 	{0x33, "\x78\x00\x00"},
126 	{2, "\xff\xff\xff"},
127 	{0x35, "\xb8\x1f\x20"}, {0x33, "\x8c\xa2\x06"}, {0x33, "\x90\x00\x10"},
128 	{0x33, "\x8c\xa2\x07"}, {0x33, "\x90\x00\x08"}, {0x33, "\x8c\xa2\x42"},
129 	{0x33, "\x90\x00\x0b"}, {0x33, "\x8c\xa2\x4a"}, {0x33, "\x90\x00\x8c"},
130 	{0x35, "\xba\xfa\x08"}, {0x33, "\x8c\xa2\x02"}, {0x33, "\x90\x00\x22"},
131 	{0x33, "\x8c\xa2\x03"}, {0x33, "\x90\x00\xbb"}, {0x33, "\x8c\xa4\x04"},
132 	{0x33, "\x90\x00\x80"}, {0x33, "\x8c\xa7\x9d"}, {0x33, "\x90\x00\x00"},
133 	{0x33, "\x8c\xa7\x9e"}, {0x33, "\x90\x00\x00"}, {0x33, "\x8c\xa2\x0c"},
134 	{0x33, "\x90\x00\x17"}, {0x33, "\x8c\xa2\x15"}, {0x33, "\x90\x00\x04"},
135 	{0x33, "\x8c\xa2\x14"}, {0x33, "\x90\x00\x20"}, {0x33, "\x8c\xa1\x03"},
136 	{0x33, "\x90\x00\x00"}, {0x33, "\x8c\x27\x17"}, {0x33, "\x90\x21\x11"},
137 	{0x33, "\x8c\x27\x1b"}, {0x33, "\x90\x02\x4f"}, {0x33, "\x8c\x27\x25"},
138 	{0x33, "\x90\x06\x0f"}, {0x33, "\x8c\x27\x39"}, {0x33, "\x90\x21\x11"},
139 	{0x33, "\x8c\x27\x3d"}, {0x33, "\x90\x01\x20"}, {0x33, "\x8c\x27\x47"},
140 	{0x33, "\x90\x09\x4c"}, {0x33, "\x8c\x27\x03"}, {0x33, "\x90\x02\x84"},
141 	{0x33, "\x8c\x27\x05"}, {0x33, "\x90\x01\xe2"}, {0x33, "\x8c\x27\x07"},
142 	{0x33, "\x90\x06\x40"}, {0x33, "\x8c\x27\x09"}, {0x33, "\x90\x04\xb0"},
143 	{0x33, "\x8c\x27\x0d"}, {0x33, "\x90\x00\x00"}, {0x33, "\x8c\x27\x0f"},
144 	{0x33, "\x90\x00\x00"}, {0x33, "\x8c\x27\x11"}, {0x33, "\x90\x04\xbd"},
145 	{0x33, "\x8c\x27\x13"}, {0x33, "\x90\x06\x4d"}, {0x33, "\x8c\x27\x15"},
146 	{0x33, "\x90\x00\x00"}, {0x33, "\x8c\x27\x17"}, {0x33, "\x90\x21\x11"},
147 	{0x33, "\x8c\x27\x19"}, {0x33, "\x90\x04\x6c"}, {0x33, "\x8c\x27\x1b"},
148 	{0x33, "\x90\x02\x4f"}, {0x33, "\x8c\x27\x1d"}, {0x33, "\x90\x01\x02"},
149 	{0x33, "\x8c\x27\x1f"}, {0x33, "\x90\x02\x79"}, {0x33, "\x8c\x27\x21"},
150 	{0x33, "\x90\x01\x55"}, {0x33, "\x8c\x27\x23"}, {0x33, "\x90\x02\x85"},
151 	{0x33, "\x8c\x27\x25"}, {0x33, "\x90\x06\x0f"}, {0x33, "\x8c\x27\x27"},
152 	{0x33, "\x90\x20\x20"}, {0x33, "\x8c\x27\x29"}, {0x33, "\x90\x20\x20"},
153 	{0x33, "\x8c\x27\x2b"}, {0x33, "\x90\x10\x20"}, {0x33, "\x8c\x27\x2d"},
154 	{0x33, "\x90\x20\x07"}, {0x33, "\x8c\x27\x2f"}, {0x33, "\x90\x00\x04"},
155 	{0x33, "\x8c\x27\x31"}, {0x33, "\x90\x00\x04"}, {0x33, "\x8c\x27\x33"},
156 	{0x33, "\x90\x04\xbb"}, {0x33, "\x8c\x27\x35"}, {0x33, "\x90\x06\x4b"},
157 	{0x33, "\x8c\x27\x37"}, {0x33, "\x90\x00\x00"}, {0x33, "\x8c\x27\x39"},
158 	{0x33, "\x90\x21\x11"}, {0x33, "\x8c\x27\x3b"}, {0x33, "\x90\x00\x24"},
159 	{0x33, "\x8c\x27\x3d"}, {0x33, "\x90\x01\x20"}, {0x33, "\x8c\x27\x41"},
160 	{0x33, "\x90\x01\x69"}, {0x33, "\x8c\x27\x45"}, {0x33, "\x90\x04\xed"},
161 	{0x33, "\x8c\x27\x47"}, {0x33, "\x90\x09\x4c"}, {0x33, "\x8c\x27\x51"},
162 	{0x33, "\x90\x00\x00"}, {0x33, "\x8c\x27\x53"}, {0x33, "\x90\x03\x20"},
163 	{0x33, "\x8c\x27\x55"}, {0x33, "\x90\x00\x00"}, {0x33, "\x8c\x27\x57"},
164 	{0x33, "\x90\x02\x58"}, {0x33, "\x8c\x27\x5f"}, {0x33, "\x90\x00\x00"},
165 	{0x33, "\x8c\x27\x61"}, {0x33, "\x90\x06\x40"}, {0x33, "\x8c\x27\x63"},
166 	{0x33, "\x90\x00\x00"}, {0x33, "\x8c\x27\x65"}, {0x33, "\x90\x04\xb0"},
167 	{0x33, "\x8c\x22\x2e"}, {0x33, "\x90\x00\xa1"}, {0x33, "\x8c\xa4\x08"},
168 	{0x33, "\x90\x00\x1f"}, {0x33, "\x8c\xa4\x09"}, {0x33, "\x90\x00\x21"},
169 	{0x33, "\x8c\xa4\x0a"}, {0x33, "\x90\x00\x25"}, {0x33, "\x8c\xa4\x0b"},
170 	{0x33, "\x90\x00\x27"}, {0x33, "\x8c\x24\x11"}, {0x33, "\x90\x00\xa1"},
171 	{0x33, "\x8c\x24\x13"}, {0x33, "\x90\x00\xc1"}, {0x33, "\x8c\x24\x15"},
172 	{0x33, "\x90\x00\x6a"}, {0x33, "\x8c\x24\x17"}, {0x33, "\x90\x00\x80"},
173 	{0x33, "\x8c\xa1\x03"}, {0x33, "\x90\x00\x05"},
174 	{2, "\xff\xff\xff"},
175 	{0x33, "\x8c\xa1\x03"}, {0x33, "\x90\x00\x06"},
176 	{3, "\xff\xff\xff"},
177 };
178 
179 static struct idxdata tbl_init_post_alt_low1[] = {
180 	{0x33, "\x8c\x27\x15"}, {0x33, "\x90\x00\x25"}, {0x33, "\x8c\x22\x2e"},
181 	{0x33, "\x90\x00\x81"}, {0x33, "\x8c\xa4\x08"}, {0x33, "\x90\x00\x17"},
182 	{0x33, "\x8c\xa4\x09"}, {0x33, "\x90\x00\x1a"}, {0x33, "\x8c\xa4\x0a"},
183 	{0x33, "\x90\x00\x1d"}, {0x33, "\x8c\xa4\x0b"}, {0x33, "\x90\x00\x20"},
184 	{0x33, "\x8c\x24\x11"}, {0x33, "\x90\x00\x81"}, {0x33, "\x8c\x24\x13"},
185 	{0x33, "\x90\x00\x9b"},
186 };
187 
188 static struct idxdata tbl_init_post_alt_low2[] = {
189 	{0x33, "\x8c\x27\x03"}, {0x33, "\x90\x03\x24"}, {0x33, "\x8c\x27\x05"},
190 	{0x33, "\x90\x02\x58"}, {0x33, "\x8c\xa1\x03"}, {0x33, "\x90\x00\x05"},
191 	{2, "\xff\xff\xff"},
192 	{0x33, "\x8c\xa1\x03"}, {0x33, "\x90\x00\x06"},
193 	{2, "\xff\xff\xff"},
194 };
195 
196 static struct idxdata tbl_init_post_alt_low3[] = {
197 	{0x34, "\x1e\x8f\x09"}, {0x34, "\x1c\x01\x28"}, {0x34, "\x1e\x8f\x09"},
198 	{2, "\xff\xff\xff"},
199 	{0x34, "\x1e\x8f\x09"}, {0x32, "\x14\x06\xe6"}, {0x33, "\x8c\xa1\x20"},
200 	{0x33, "\x90\x00\x00"}, {0x33, "\x8c\xa1\x03"}, {0x33, "\x90\x00\x01"},
201 	{0x33, "\x2e\x01\x00"}, {0x34, "\x04\x00\x2a"}, {0x33, "\x8c\xa7\x02"},
202 	{0x33, "\x90\x00\x00"}, {0x33, "\x8c\x27\x95"}, {0x33, "\x90\x01\x00"},
203 	{2, "\xff\xff\xff"},
204 	{0x33, "\x8c\xa1\x20"}, {0x33, "\x90\x00\x72"}, {0x33, "\x8c\xa1\x03"},
205 	{0x33, "\x90\x00\x02"}, {0x33, "\x8c\xa7\x02"}, {0x33, "\x90\x00\x01"},
206 	{2, "\xff\xff\xff"},
207 	{0x33, "\x8c\xa1\x20"}, {0x33, "\x90\x00\x00"}, {0x33, "\x8c\xa1\x03"},
208 	{0x33, "\x90\x00\x01"}, {0x33, "\x8c\xa7\x02"}, {0x33, "\x90\x00\x00"},
209 	{2, "\xff\xff\xff"},
210 	{0x33, "\x8c\xa1\x03"}, {0x33, "\x90\x00\x05"},
211 	{2, "\xff\xff\xff"},
212 	{0x33, "\x8c\xa1\x03"}, {0x33, "\x90\x00\x06"},
213 	{2, "\xff\xff\xff"},
214 	{0x33, "\x8c\xa1\x03"}, {0x33, "\x90\x00\x05"},
215 	{2, "\xff\xff\xff"},
216 	{0x33, "\x8c\xa1\x03"}, {0x33, "\x90\x00\x06"},
217 };
218 
219 static struct idxdata tbl_init_post_alt_big[] = {
220 	{0x33, "\x8c\xa1\x03"}, {0x33, "\x90\x00\x05"},
221 	{2, "\xff\xff\xff"},
222 	{0x33, "\x8c\xa1\x03"}, {0x33, "\x90\x00\x06"},
223 	{2, "\xff\xff\xff"},
224 	{0x34, "\x1e\x8f\x09"}, {0x34, "\x1c\x01\x28"}, {0x34, "\x1e\x8f\x09"},
225 	{2, "\xff\xff\xff"},
226 	{0x34, "\x1e\x8f\x09"}, {0x32, "\x14\x06\xe6"}, {0x33, "\x8c\xa1\x03"},
227 	{0x33, "\x90\x00\x05"},
228 	{2, "\xff\xff\xff"},
229 	{0x33, "\x8c\xa1\x03"}, {0x33, "\x90\x00\x06"},
230 	{2, "\xff\xff\xff"},
231 	{0x33, "\x8c\xa1\x03"}, {0x33, "\x90\x00\x05"},
232 	{2, "\xff\xff\xff"},
233 	{0x33, "\x8c\xa1\x03"}, {0x33, "\x90\x00\x06"}, {0x33, "\x8c\xa1\x20"},
234 	{0x33, "\x90\x00\x72"}, {0x33, "\x8c\xa1\x30"}, {0x33, "\x90\x00\x03"},
235 	{0x33, "\x8c\xa1\x31"}, {0x33, "\x90\x00\x02"}, {0x33, "\x8c\xa1\x32"},
236 	{0x33, "\x90\x00\x03"}, {0x33, "\x8c\xa1\x34"}, {0x33, "\x90\x00\x03"},
237 	{0x33, "\x8c\xa1\x03"}, {0x33, "\x90\x00\x02"}, {0x33, "\x2e\x01\x00"},
238 	{0x34, "\x04\x00\x2a"}, {0x33, "\x8c\xa7\x02"}, {0x33, "\x90\x00\x01"},
239 	{0x33, "\x8c\x27\x97"}, {0x33, "\x90\x01\x00"},
240 	{51, "\xff\xff\xff"},
241 	{0x33, "\x8c\xa1\x20"}, {0x33, "\x90\x00\x00"}, {0x33, "\x8c\xa1\x03"},
242 	{0x33, "\x90\x00\x01"}, {0x33, "\x8c\xa7\x02"}, {0x33, "\x90\x00\x00"},
243 	{51, "\xff\xff\xff"},
244 	{0x33, "\x8c\xa1\x20"}, {0x33, "\x90\x00\x72"}, {0x33, "\x8c\xa1\x03"},
245 	{0x33, "\x90\x00\x02"}, {0x33, "\x8c\xa7\x02"}, {0x33, "\x90\x00\x01"},
246 	{51, "\xff\xff\xff"},
247 };
248 
249 static struct idxdata tbl_init_post_alt_3B[] = {
250 	{0x32, "\x10\x01\xf8"}, {0x34, "\xce\x01\xa8"}, {0x34, "\xd0\x66\x33"},
251 	{0x34, "\xd2\x31\x9a"}, {0x34, "\xd4\x94\x63"}, {0x34, "\xd6\x4b\x25"},
252 	{0x34, "\xd8\x26\x70"}, {0x34, "\xda\x72\x4c"}, {0x34, "\xdc\xff\x04"},
253 	{0x34, "\xde\x01\x5b"}, {0x34, "\xe6\x01\x13"}, {0x34, "\xee\x0b\xf0"},
254 	{0x34, "\xf6\x0b\xa4"}, {0x35, "\x00\xf6\xe7"}, {0x35, "\x08\x0d\xfd"},
255 	{0x35, "\x10\x25\x63"}, {0x35, "\x18\x35\x6c"}, {0x35, "\x20\x42\x7e"},
256 	{0x35, "\x28\x19\x44"}, {0x35, "\x30\x39\xd4"}, {0x35, "\x38\xf5\xa8"},
257 	{0x35, "\x4c\x07\x90"}, {0x35, "\x44\x07\xb8"}, {0x35, "\x5c\x06\x88"},
258 	{0x35, "\x54\x07\xff"}, {0x34, "\xe0\x01\x52"}, {0x34, "\xe8\x00\xcc"},
259 	{0x34, "\xf0\x0d\x83"}, {0x34, "\xf8\x0c\xb3"}, {0x35, "\x02\xfe\xba"},
260 	{0x35, "\x0a\x04\xe0"}, {0x35, "\x12\x1c\x63"}, {0x35, "\x1a\x2b\x5a"},
261 	{0x35, "\x22\x32\x5e"}, {0x35, "\x2a\x0d\x28"}, {0x35, "\x32\x2c\x02"},
262 	{0x35, "\x3a\xf4\xfa"}, {0x35, "\x4e\x07\xef"}, {0x35, "\x46\x07\x88"},
263 	{0x35, "\x5e\x07\xc1"}, {0x35, "\x56\x04\x64"}, {0x34, "\xe4\x01\x15"},
264 	{0x34, "\xec\x00\x82"}, {0x34, "\xf4\x0c\xce"}, {0x34, "\xfc\x0c\xba"},
265 	{0x35, "\x06\x1f\x02"}, {0x35, "\x0e\x02\xe3"}, {0x35, "\x16\x1a\x50"},
266 	{0x35, "\x1e\x24\x39"}, {0x35, "\x26\x23\x4c"}, {0x35, "\x2e\xf9\x1b"},
267 	{0x35, "\x36\x23\x19"}, {0x35, "\x3e\x12\x08"}, {0x35, "\x52\x07\x22"},
268 	{0x35, "\x4a\x03\xd3"}, {0x35, "\x62\x06\x54"}, {0x35, "\x5a\x04\x5d"},
269 	{0x34, "\xe2\x01\x04"}, {0x34, "\xea\x00\xa0"}, {0x34, "\xf2\x0c\xbc"},
270 	{0x34, "\xfa\x0c\x5b"}, {0x35, "\x04\x17\xf2"}, {0x35, "\x0c\x02\x08"},
271 	{0x35, "\x14\x28\x43"}, {0x35, "\x1c\x28\x62"}, {0x35, "\x24\x2b\x60"},
272 	{0x35, "\x2c\x07\x33"}, {0x35, "\x34\x1f\xb0"}, {0x35, "\x3c\xed\xcd"},
273 	{0x35, "\x50\x00\x06"}, {0x35, "\x48\x07\xff"}, {0x35, "\x60\x05\x89"},
274 	{0x35, "\x58\x07\xff"}, {0x35, "\x40\x00\xa0"}, {0x35, "\x42\x00\x00"},
275 	{0x32, "\x10\x01\xfc"}, {0x33, "\x8c\xa1\x18"}, {0x33, "\x90\x00\x3c"},
276 };
277 
278 static u8 *dat_640  = "\xd0\x02\xd1\x08\xd2\xe1\xd3\x02\xd4\x10\xd5\x81";
279 static u8 *dat_800  = "\xd0\x02\xd1\x10\xd2\x57\xd3\x02\xd4\x18\xd5\x21";
280 static u8 *dat_1280 = "\xd0\x02\xd1\x20\xd2\x01\xd3\x02\xd4\x28\xd5\x01";
281 static u8 *dat_1600 = "\xd0\x02\xd1\x20\xd2\xaf\xd3\x02\xd4\x30\xd5\x41";
282 
283 static int  mi2020_init_at_startup(struct gspca_dev *gspca_dev);
284 static int  mi2020_configure_alt(struct gspca_dev *gspca_dev);
285 static int  mi2020_init_pre_alt(struct gspca_dev *gspca_dev);
286 static int  mi2020_init_post_alt(struct gspca_dev *gspca_dev);
287 static void mi2020_post_unset_alt(struct gspca_dev *gspca_dev);
288 static int  mi2020_camera_settings(struct gspca_dev *gspca_dev);
289 /*==========================================================================*/
290 
291 void mi2020_init_settings(struct gspca_dev *gspca_dev)
292 {
293 	struct sd *sd = (struct sd *) gspca_dev;
294 
295 	sd->vcur.backlight  =  0;
296 	sd->vcur.brightness = 70;
297 	sd->vcur.sharpness  = 20;
298 	sd->vcur.contrast   =  0;
299 	sd->vcur.gamma      =  0;
300 	sd->vcur.hue        =  0;
301 	sd->vcur.saturation = 60;
302 	sd->vcur.whitebal   =  0; /* 50, not done by hardware */
303 	sd->vcur.mirror = 0;
304 	sd->vcur.flip   = 0;
305 	sd->vcur.AC50Hz = 1;
306 
307 	sd->vmax.backlight  =  64;
308 	sd->vmax.brightness = 128;
309 	sd->vmax.sharpness  =  40;
310 	sd->vmax.contrast   =   3;
311 	sd->vmax.gamma      =   2;
312 	sd->vmax.hue        =   0 + 1; /* 200, not done by hardware */
313 	sd->vmax.saturation =   0;     /* 100, not done by hardware */
314 	sd->vmax.whitebal   =   2;     /* 100, not done by hardware */
315 	sd->vmax.mirror = 1;
316 	sd->vmax.flip   = 1;
317 	sd->vmax.AC50Hz = 1;
318 
319 	sd->dev_camera_settings = mi2020_camera_settings;
320 	sd->dev_init_at_startup = mi2020_init_at_startup;
321 	sd->dev_configure_alt   = mi2020_configure_alt;
322 	sd->dev_init_pre_alt    = mi2020_init_pre_alt;
323 	sd->dev_post_unset_alt  = mi2020_post_unset_alt;
324 }
325 
326 /*==========================================================================*/
327 
328 static void common(struct gspca_dev *gspca_dev)
329 {
330 	fetch_validx(gspca_dev, tbl_common_0B, ARRAY_SIZE(tbl_common_0B));
331 	fetch_idxdata(gspca_dev, tbl_common_3B, ARRAY_SIZE(tbl_common_3B));
332 	ctrl_out(gspca_dev, 0x40, 1, 0x0041, 0x0000, 0, NULL);
333 }
334 
335 static int mi2020_init_at_startup(struct gspca_dev *gspca_dev)
336 {
337 	u8 c;
338 
339 	ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0004, 1, &c);
340 	ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0004, 1, &c);
341 
342 	fetch_validx(gspca_dev, tbl_init_at_startup,
343 			ARRAY_SIZE(tbl_init_at_startup));
344 
345 	ctrl_out(gspca_dev, 0x40,  1, 0x7a00, 0x8030,  0, NULL);
346 	ctrl_in(gspca_dev, 0xc0,  2, 0x7a00, 0x8030,  1, &c);
347 
348 	common(gspca_dev);
349 
350 	msleep(61);
351 /*	ctrl_out(gspca_dev, 0x40, 11, 0x0000, 0x0000,  0, NULL); */
352 /*	msleep(36); */
353 	ctrl_out(gspca_dev, 0x40,  1, 0x0001, 0x0000,  0, NULL);
354 
355 	return 0;
356 }
357 
358 static int mi2020_init_pre_alt(struct gspca_dev *gspca_dev)
359 {
360 	struct sd *sd = (struct sd *) gspca_dev;
361 
362 	sd->mirrorMask =  0;
363 	sd->vold.hue   = -1;
364 
365 	/* These controls need to be reset */
366 	sd->vold.brightness = -1;
367 	sd->vold.sharpness  = -1;
368 
369 	/* If not different from default, they do not need to be set */
370 	sd->vold.contrast  = 0;
371 	sd->vold.gamma     = 0;
372 	sd->vold.backlight = 0;
373 
374 	mi2020_init_post_alt(gspca_dev);
375 
376 	return 0;
377 }
378 
379 static int mi2020_init_post_alt(struct gspca_dev *gspca_dev)
380 {
381 	struct sd *sd = (struct sd *) gspca_dev;
382 	s32 reso = gspca_dev->cam.cam_mode[(s32) gspca_dev->curr_mode].priv;
383 
384 	s32 mirror = (((sd->vcur.mirror > 0) ^ sd->mirrorMask) > 0);
385 	s32 flip   = (((sd->vcur.flip   > 0) ^ sd->mirrorMask) > 0);
386 	s32 freq   = (sd->vcur.AC50Hz  > 0);
387 	s32 wbal   = sd->vcur.whitebal;
388 
389 	u8 dat_freq2[] = {0x90, 0x00, 0x80};
390 	u8 dat_multi1[] = {0x8c, 0xa7, 0x00};
391 	u8 dat_multi2[] = {0x90, 0x00, 0x00};
392 	u8 dat_multi3[] = {0x8c, 0xa7, 0x00};
393 	u8 dat_multi4[] = {0x90, 0x00, 0x00};
394 	u8 dat_hvflip2[] = {0x90, 0x04, 0x6c};
395 	u8 dat_hvflip4[] = {0x90, 0x00, 0x24};
396 	u8 dat_wbal2[] = {0x90, 0x00, 0x00};
397 	u8 c;
398 
399 	sd->nbIm = -1;
400 
401 	dat_freq2[2] = freq ? 0xc0 : 0x80;
402 	dat_multi1[2] = 0x9d;
403 	dat_multi3[2] = dat_multi1[2] + 1;
404 	if (wbal == 0) {
405 		dat_multi4[2] = dat_multi2[2] = 0;
406 		dat_wbal2[2] = 0x17;
407 	} else if (wbal == 1) {
408 		dat_multi4[2] = dat_multi2[2] = 0;
409 		dat_wbal2[2] = 0x35;
410 	} else if (wbal == 2) {
411 		dat_multi4[2] = dat_multi2[2] = 0x20;
412 		dat_wbal2[2] = 0x17;
413 	}
414 	dat_hvflip2[2] = 0x6c + 2 * (1 - flip) + (1 - mirror);
415 	dat_hvflip4[2] = 0x24 + 2 * (1 - flip) + (1 - mirror);
416 
417 	msleep(200);
418 	ctrl_out(gspca_dev, 0x40, 5, 0x0001, 0x0000, 0, NULL);
419 	msleep(2);
420 
421 	common(gspca_dev);
422 
423 	msleep(142);
424 	ctrl_out(gspca_dev, 0x40,  1, 0x0010, 0x0010,  0, NULL);
425 	ctrl_out(gspca_dev, 0x40,  1, 0x0003, 0x00c1,  0, NULL);
426 	ctrl_out(gspca_dev, 0x40,  1, 0x0042, 0x00c2,  0, NULL);
427 	ctrl_out(gspca_dev, 0x40,  1, 0x006a, 0x000d,  0, NULL);
428 
429 	switch (reso) {
430 	case IMAGE_640:
431 	case IMAGE_800:
432 		if (reso != IMAGE_800)
433 			ctrl_out(gspca_dev, 0x40,  3, 0x0000, 0x0200,
434 				12, dat_640);
435 		else
436 			ctrl_out(gspca_dev, 0x40,  3, 0x0000, 0x0200,
437 				12, dat_800);
438 
439 		fetch_idxdata(gspca_dev, tbl_init_post_alt_low1,
440 					ARRAY_SIZE(tbl_init_post_alt_low1));
441 
442 		if (reso == IMAGE_800)
443 			fetch_idxdata(gspca_dev, tbl_init_post_alt_low2,
444 					ARRAY_SIZE(tbl_init_post_alt_low2));
445 
446 		fetch_idxdata(gspca_dev, tbl_init_post_alt_low3,
447 				ARRAY_SIZE(tbl_init_post_alt_low3));
448 
449 		ctrl_out(gspca_dev, 0x40, 1, 0x0010, 0x0010, 0, NULL);
450 		ctrl_out(gspca_dev, 0x40, 1, 0x0000, 0x00c1, 0, NULL);
451 		ctrl_out(gspca_dev, 0x40, 1, 0x0041, 0x00c2, 0, NULL);
452 		msleep(120);
453 		break;
454 
455 	case IMAGE_1280:
456 	case IMAGE_1600:
457 		if (reso == IMAGE_1280) {
458 			ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200,
459 					12, dat_1280);
460 			ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033,
461 					3, "\x8c\x27\x07");
462 			ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033,
463 					3, "\x90\x05\x04");
464 			ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033,
465 					3, "\x8c\x27\x09");
466 			ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033,
467 					3, "\x90\x04\x02");
468 		} else {
469 			ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200,
470 					12, dat_1600);
471 			ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033,
472 					3, "\x8c\x27\x07");
473 			ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033,
474 					3, "\x90\x06\x40");
475 			ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033,
476 					3, "\x8c\x27\x09");
477 			ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033,
478 					3, "\x90\x04\xb0");
479 		}
480 
481 		fetch_idxdata(gspca_dev, tbl_init_post_alt_big,
482 				ARRAY_SIZE(tbl_init_post_alt_big));
483 
484 		ctrl_out(gspca_dev, 0x40, 1, 0x0001, 0x0010, 0, NULL);
485 		ctrl_out(gspca_dev, 0x40, 1, 0x0000, 0x00c1, 0, NULL);
486 		ctrl_out(gspca_dev, 0x40, 1, 0x0041, 0x00c2, 0, NULL);
487 		msleep(1850);
488 	}
489 
490 	ctrl_out(gspca_dev, 0x40, 1, 0x0040, 0x0000, 0, NULL);
491 	msleep(40);
492 
493 	/* AC power frequency */
494 	ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_freq1);
495 	ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_freq2);
496 	msleep(33);
497 	/* light source */
498 	ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_multi1);
499 	ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_multi2);
500 	ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_multi3);
501 	ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_multi4);
502 	ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_wbal1);
503 	ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_wbal2);
504 	ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_multi5);
505 	ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_multi6);
506 	msleep(7);
507 	ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0000, 1, &c);
508 
509 	fetch_idxdata(gspca_dev, tbl_init_post_alt_3B,
510 			ARRAY_SIZE(tbl_init_post_alt_3B));
511 
512 	/* hvflip */
513 	ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_hvflip1);
514 	ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_hvflip2);
515 	ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_hvflip3);
516 	ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_hvflip4);
517 	ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_hvflip5);
518 	ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_hvflip6);
519 	msleep(250);
520 
521 	if (reso == IMAGE_640 || reso == IMAGE_800)
522 		fetch_idxdata(gspca_dev, tbl_middle_hvflip_low,
523 				ARRAY_SIZE(tbl_middle_hvflip_low));
524 	else
525 		fetch_idxdata(gspca_dev, tbl_middle_hvflip_big,
526 				ARRAY_SIZE(tbl_middle_hvflip_big));
527 
528 	fetch_idxdata(gspca_dev, tbl_end_hvflip,
529 			ARRAY_SIZE(tbl_end_hvflip));
530 
531 	sd->nbIm = 0;
532 
533 	sd->vold.mirror    = mirror;
534 	sd->vold.flip      = flip;
535 	sd->vold.AC50Hz    = freq;
536 	sd->vold.whitebal  = wbal;
537 
538 	mi2020_camera_settings(gspca_dev);
539 
540 	return 0;
541 }
542 
543 static int mi2020_configure_alt(struct gspca_dev *gspca_dev)
544 {
545 	s32 reso = gspca_dev->cam.cam_mode[(s32) gspca_dev->curr_mode].priv;
546 
547 	switch (reso) {
548 	case IMAGE_640:
549 		gspca_dev->alt = 3 + 1;
550 		break;
551 
552 	case IMAGE_800:
553 	case IMAGE_1280:
554 	case IMAGE_1600:
555 		gspca_dev->alt = 1 + 1;
556 		break;
557 	}
558 	return 0;
559 }
560 
561 static int mi2020_camera_settings(struct gspca_dev *gspca_dev)
562 {
563 	struct sd *sd = (struct sd *) gspca_dev;
564 	s32 reso = gspca_dev->cam.cam_mode[(s32) gspca_dev->curr_mode].priv;
565 
566 	s32 backlight = sd->vcur.backlight;
567 	s32 bright =  sd->vcur.brightness;
568 	s32 sharp  =  sd->vcur.sharpness;
569 	s32 cntr   =  sd->vcur.contrast;
570 	s32 gam	   =  sd->vcur.gamma;
571 	s32 hue    = (sd->vcur.hue > 0);
572 	s32 mirror = (((sd->vcur.mirror > 0) ^ sd->mirrorMask) > 0);
573 	s32 flip   = (((sd->vcur.flip   > 0) ^ sd->mirrorMask) > 0);
574 	s32 freq   = (sd->vcur.AC50Hz > 0);
575 	s32 wbal   = sd->vcur.whitebal;
576 
577 	u8 dat_sharp[] = {0x6c, 0x00, 0x08};
578 	u8 dat_bright2[] = {0x90, 0x00, 0x00};
579 	u8 dat_freq2[] = {0x90, 0x00, 0x80};
580 	u8 dat_multi1[] = {0x8c, 0xa7, 0x00};
581 	u8 dat_multi2[] = {0x90, 0x00, 0x00};
582 	u8 dat_multi3[] = {0x8c, 0xa7, 0x00};
583 	u8 dat_multi4[] = {0x90, 0x00, 0x00};
584 	u8 dat_hvflip2[] = {0x90, 0x04, 0x6c};
585 	u8 dat_hvflip4[] = {0x90, 0x00, 0x24};
586 	u8 dat_wbal2[] = {0x90, 0x00, 0x00};
587 
588 	/* Less than 4 images received -> too early to set the settings */
589 	if (sd->nbIm < 4) {
590 		sd->waitSet = 1;
591 		return 0;
592 	}
593 	sd->waitSet = 0;
594 
595 	if (freq != sd->vold.AC50Hz) {
596 		sd->vold.AC50Hz = freq;
597 
598 		dat_freq2[2] = freq ? 0xc0 : 0x80;
599 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_freq1);
600 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_freq2);
601 		msleep(20);
602 	}
603 
604 	if (wbal != sd->vold.whitebal) {
605 		sd->vold.whitebal = wbal;
606 		if (wbal < 0 || wbal > sd->vmax.whitebal)
607 			wbal = 0;
608 
609 		dat_multi1[2] = 0x9d;
610 		dat_multi3[2] = dat_multi1[2] + 1;
611 		if (wbal == 0) {
612 			dat_multi4[2] = dat_multi2[2] = 0;
613 			dat_wbal2[2] = 0x17;
614 		} else if (wbal == 1) {
615 			dat_multi4[2] = dat_multi2[2] = 0;
616 			dat_wbal2[2] = 0x35;
617 		} else if (wbal == 2) {
618 			dat_multi4[2] = dat_multi2[2] = 0x20;
619 			dat_wbal2[2] = 0x17;
620 		}
621 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_multi1);
622 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_multi2);
623 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_multi3);
624 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_multi4);
625 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_wbal1);
626 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_wbal2);
627 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_multi5);
628 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_multi6);
629 	}
630 
631 	if (mirror != sd->vold.mirror || flip != sd->vold.flip) {
632 		sd->vold.mirror = mirror;
633 		sd->vold.flip   = flip;
634 
635 		dat_hvflip2[2] = 0x6c + 2 * (1 - flip) + (1 - mirror);
636 		dat_hvflip4[2] = 0x24 + 2 * (1 - flip) + (1 - mirror);
637 
638 		fetch_idxdata(gspca_dev, tbl_init_post_alt_3B,
639 				ARRAY_SIZE(tbl_init_post_alt_3B));
640 
641 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_hvflip1);
642 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_hvflip2);
643 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_hvflip3);
644 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_hvflip4);
645 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_hvflip5);
646 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_hvflip6);
647 		msleep(40);
648 
649 		if (reso == IMAGE_640 || reso == IMAGE_800)
650 			fetch_idxdata(gspca_dev, tbl_middle_hvflip_low,
651 					ARRAY_SIZE(tbl_middle_hvflip_low));
652 		else
653 			fetch_idxdata(gspca_dev, tbl_middle_hvflip_big,
654 					ARRAY_SIZE(tbl_middle_hvflip_big));
655 
656 		fetch_idxdata(gspca_dev, tbl_end_hvflip,
657 				ARRAY_SIZE(tbl_end_hvflip));
658 	}
659 
660 	if (bright != sd->vold.brightness) {
661 		sd->vold.brightness = bright;
662 		if (bright < 0 || bright > sd->vmax.brightness)
663 			bright = 0;
664 
665 		dat_bright2[2] = bright;
666 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_bright1);
667 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_bright2);
668 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_bright3);
669 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_bright4);
670 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_bright5);
671 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_bright6);
672 	}
673 
674 	if (cntr != sd->vold.contrast || gam != sd->vold.gamma) {
675 		sd->vold.contrast = cntr;
676 		if (cntr < 0 || cntr > sd->vmax.contrast)
677 			cntr = 0;
678 		sd->vold.gamma = gam;
679 		if (gam < 0 || gam > sd->vmax.gamma)
680 			gam = 0;
681 
682 		dat_multi1[2] = 0x6d;
683 		dat_multi3[2] = dat_multi1[2] + 1;
684 		if (cntr == 0)
685 			cntr = 4;
686 		dat_multi4[2] = dat_multi2[2] = cntr * 0x10 + 2 - gam;
687 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_multi1);
688 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_multi2);
689 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_multi3);
690 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_multi4);
691 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_multi5);
692 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_multi6);
693 	}
694 
695 	if (backlight != sd->vold.backlight) {
696 		sd->vold.backlight = backlight;
697 		if (backlight < 0 || backlight > sd->vmax.backlight)
698 			backlight = 0;
699 
700 		dat_multi1[2] = 0x9d;
701 		dat_multi3[2] = dat_multi1[2] + 1;
702 		dat_multi4[2] = dat_multi2[2] = backlight;
703 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_multi1);
704 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_multi2);
705 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_multi3);
706 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_multi4);
707 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_multi5);
708 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0033, 3, dat_multi6);
709 	}
710 
711 	if (sharp != sd->vold.sharpness) {
712 		sd->vold.sharpness = sharp;
713 		if (sharp < 0 || sharp > sd->vmax.sharpness)
714 			sharp = 0;
715 
716 		dat_sharp[1] = sharp;
717 		ctrl_out(gspca_dev, 0x40, 3, 0x7a00, 0x0032, 3, dat_sharp);
718 	}
719 
720 	if (hue != sd->vold.hue) {
721 		sd->swapRB = hue;
722 		sd->vold.hue = hue;
723 	}
724 
725 	return 0;
726 }
727 
728 static void mi2020_post_unset_alt(struct gspca_dev *gspca_dev)
729 {
730 	ctrl_out(gspca_dev, 0x40, 5, 0x0000, 0x0000, 0, NULL);
731 	msleep(40);
732 	ctrl_out(gspca_dev, 0x40, 1, 0x0001, 0x0000, 0, NULL);
733 }
734