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Merge branch 'for-linus' of git://git.infradead.org/users/sameo/mfd-2.6
[linux-btrfs-devel.git] / drivers / media / video / gspca / m5602 / m5602_mt9m111.c
blob0d605a52b924e802b438858b0e9b4d2bbb4cdbf4
1 /*
2 * Driver for the mt9m111 sensor
3 *
4 * Copyright (C) 2008 Erik Andrén
5 * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
6 * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
7 *
8 * Portions of code to USB interface and ALi driver software,
9 * Copyright (c) 2006 Willem Duinker
10 * v4l2 interface modeled after the V4L2 driver
11 * for SN9C10x PC Camera Controllers
12 *
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License as
15 * published by the Free Software Foundation, version 2.
16 *
17 */
18
19 #include "m5602_mt9m111.h"
20
21 static int mt9m111_set_vflip(struct gspca_dev *gspca_dev, __s32 val);
22 static int mt9m111_get_vflip(struct gspca_dev *gspca_dev, __s32 *val);
23 static int mt9m111_get_hflip(struct gspca_dev *gspca_dev, __s32 *val);
24 static int mt9m111_set_hflip(struct gspca_dev *gspca_dev, __s32 val);
25 static int mt9m111_get_gain(struct gspca_dev *gspca_dev, __s32 *val);
26 static int mt9m111_set_gain(struct gspca_dev *gspca_dev, __s32 val);
27 static int mt9m111_set_auto_white_balance(struct gspca_dev *gspca_dev,
28 __s32 val);
29 static int mt9m111_get_auto_white_balance(struct gspca_dev *gspca_dev,
30 __s32 *val);
31 static int mt9m111_get_green_balance(struct gspca_dev *gspca_dev, __s32 *val);
32 static int mt9m111_set_green_balance(struct gspca_dev *gspca_dev, __s32 val);
33 static int mt9m111_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val);
34 static int mt9m111_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val);
35 static int mt9m111_get_red_balance(struct gspca_dev *gspca_dev, __s32 *val);
36 static int mt9m111_set_red_balance(struct gspca_dev *gspca_dev, __s32 val);
37
38 static struct v4l2_pix_format mt9m111_modes[] = {
39 {
40 640,
41 480,
42 V4L2_PIX_FMT_SBGGR8,
43 V4L2_FIELD_NONE,
44 .sizeimage = 640 * 480,
45 .bytesperline = 640,
46 .colorspace = V4L2_COLORSPACE_SRGB,
47 .priv = 0
48 }
49 };
50
51 static const struct ctrl mt9m111_ctrls[] = {
52 #define VFLIP_IDX 0
53 {
54 {
55 .id = V4L2_CID_VFLIP,
56 .type = V4L2_CTRL_TYPE_BOOLEAN,
57 .name = "vertical flip",
58 .minimum = 0,
59 .maximum = 1,
60 .step = 1,
61 .default_value = 0
62 },
63 .set = mt9m111_set_vflip,
64 .get = mt9m111_get_vflip
65 },
66 #define HFLIP_IDX 1
67 {
68 {
69 .id = V4L2_CID_HFLIP,
70 .type = V4L2_CTRL_TYPE_BOOLEAN,
71 .name = "horizontal flip",
72 .minimum = 0,
73 .maximum = 1,
74 .step = 1,
75 .default_value = 0
76 },
77 .set = mt9m111_set_hflip,
78 .get = mt9m111_get_hflip
79 },
80 #define GAIN_IDX 2
81 {
82 {
83 .id = V4L2_CID_GAIN,
84 .type = V4L2_CTRL_TYPE_INTEGER,
85 .name = "gain",
86 .minimum = 0,
87 .maximum = (INITIAL_MAX_GAIN - 1) * 2 * 2 * 2,
88 .step = 1,
89 .default_value = MT9M111_DEFAULT_GAIN,
90 .flags = V4L2_CTRL_FLAG_SLIDER
91 },
92 .set = mt9m111_set_gain,
93 .get = mt9m111_get_gain
94 },
95 #define AUTO_WHITE_BALANCE_IDX 3
96 {
97 {
98 .id = V4L2_CID_AUTO_WHITE_BALANCE,
99 .type = V4L2_CTRL_TYPE_BOOLEAN,
100 .name = "auto white balance",
101 .minimum = 0,
102 .maximum = 1,
103 .step = 1,
104 .default_value = 0,
105 },
106 .set = mt9m111_set_auto_white_balance,
107 .get = mt9m111_get_auto_white_balance
108 },
109 #define GREEN_BALANCE_IDX 4
110 {
111 {
112 .id = M5602_V4L2_CID_GREEN_BALANCE,
113 .type = V4L2_CTRL_TYPE_INTEGER,
114 .name = "green balance",
115 .minimum = 0x00,
116 .maximum = 0x7ff,
117 .step = 0x1,
118 .default_value = MT9M111_GREEN_GAIN_DEFAULT,
119 .flags = V4L2_CTRL_FLAG_SLIDER
120 },
121 .set = mt9m111_set_green_balance,
122 .get = mt9m111_get_green_balance
123 },
124 #define BLUE_BALANCE_IDX 5
125 {
126 {
127 .id = V4L2_CID_BLUE_BALANCE,
128 .type = V4L2_CTRL_TYPE_INTEGER,
129 .name = "blue balance",
130 .minimum = 0x00,
131 .maximum = 0x7ff,
132 .step = 0x1,
133 .default_value = MT9M111_BLUE_GAIN_DEFAULT,
134 .flags = V4L2_CTRL_FLAG_SLIDER
135 },
136 .set = mt9m111_set_blue_balance,
137 .get = mt9m111_get_blue_balance
138 },
139 #define RED_BALANCE_IDX 5
140 {
141 {
142 .id = V4L2_CID_RED_BALANCE,
143 .type = V4L2_CTRL_TYPE_INTEGER,
144 .name = "red balance",
145 .minimum = 0x00,
146 .maximum = 0x7ff,
147 .step = 0x1,
148 .default_value = MT9M111_RED_GAIN_DEFAULT,
149 .flags = V4L2_CTRL_FLAG_SLIDER
150 },
151 .set = mt9m111_set_red_balance,
152 .get = mt9m111_get_red_balance
153 },
154 };
155
156 static void mt9m111_dump_registers(struct sd *sd);
157
158 int mt9m111_probe(struct sd *sd)
159 {
160 u8 data[2] = {0x00, 0x00};
161 int i;
162 s32 *sensor_settings;
163
164 if (force_sensor) {
165 if (force_sensor == MT9M111_SENSOR) {
166 info("Forcing a %s sensor", mt9m111.name);
167 goto sensor_found;
168 }
169 /* If we want to force another sensor, don't try to probe this
170 * one */
171 return -ENODEV;
172 }
173
174 PDEBUG(D_PROBE, "Probing for a mt9m111 sensor");
175
176 /* Do the preinit */
177 for (i = 0; i < ARRAY_SIZE(preinit_mt9m111); i++) {
178 if (preinit_mt9m111[i][0] == BRIDGE) {
179 m5602_write_bridge(sd,
180 preinit_mt9m111[i][1],
181 preinit_mt9m111[i][2]);
182 } else {
183 data[0] = preinit_mt9m111[i][2];
184 data[1] = preinit_mt9m111[i][3];
185 m5602_write_sensor(sd,
186 preinit_mt9m111[i][1], data, 2);
187 }
188 }
189
190 if (m5602_read_sensor(sd, MT9M111_SC_CHIPVER, data, 2))
191 return -ENODEV;
192
193 if ((data[0] == 0x14) && (data[1] == 0x3a)) {
194 info("Detected a mt9m111 sensor");
195 goto sensor_found;
196 }
197
198 return -ENODEV;
199
200 sensor_found:
201 sensor_settings = kmalloc(ARRAY_SIZE(mt9m111_ctrls) * sizeof(s32),
202 GFP_KERNEL);
203 if (!sensor_settings)
204 return -ENOMEM;
205
206 sd->gspca_dev.cam.cam_mode = mt9m111_modes;
207 sd->gspca_dev.cam.nmodes = ARRAY_SIZE(mt9m111_modes);
208 sd->desc->ctrls = mt9m111_ctrls;
209 sd->desc->nctrls = ARRAY_SIZE(mt9m111_ctrls);
210
211 for (i = 0; i < ARRAY_SIZE(mt9m111_ctrls); i++)
212 sensor_settings[i] = mt9m111_ctrls[i].qctrl.default_value;
213 sd->sensor_priv = sensor_settings;
214
215 return 0;
216 }
217
218 int mt9m111_init(struct sd *sd)
219 {
220 int i, err = 0;
221 s32 *sensor_settings = sd->sensor_priv;
222
223 /* Init the sensor */
224 for (i = 0; i < ARRAY_SIZE(init_mt9m111) && !err; i++) {
225 u8 data[2];
226
227 if (init_mt9m111[i][0] == BRIDGE) {
228 err = m5602_write_bridge(sd,
229 init_mt9m111[i][1],
230 init_mt9m111[i][2]);
231 } else {
232 data[0] = init_mt9m111[i][2];
233 data[1] = init_mt9m111[i][3];
234 err = m5602_write_sensor(sd,
235 init_mt9m111[i][1], data, 2);
236 }
237 }
238
239 if (dump_sensor)
240 mt9m111_dump_registers(sd);
241
242 err = mt9m111_set_vflip(&sd->gspca_dev, sensor_settings[VFLIP_IDX]);
243 if (err < 0)
244 return err;
245
246 err = mt9m111_set_hflip(&sd->gspca_dev, sensor_settings[HFLIP_IDX]);
247 if (err < 0)
248 return err;
249
250 err = mt9m111_set_green_balance(&sd->gspca_dev,
251 sensor_settings[GREEN_BALANCE_IDX]);
252 if (err < 0)
253 return err;
254
255 err = mt9m111_set_blue_balance(&sd->gspca_dev,
256 sensor_settings[BLUE_BALANCE_IDX]);
257 if (err < 0)
258 return err;
259
260 err = mt9m111_set_red_balance(&sd->gspca_dev,
261 sensor_settings[RED_BALANCE_IDX]);
262 if (err < 0)
263 return err;
264
265 return mt9m111_set_gain(&sd->gspca_dev, sensor_settings[GAIN_IDX]);
266 }
267
268 int mt9m111_start(struct sd *sd)
269 {
270 int i, err = 0;
271 u8 data[2];
272 struct cam *cam = &sd->gspca_dev.cam;
273 s32 *sensor_settings = sd->sensor_priv;
274
275 int width = cam->cam_mode[sd->gspca_dev.curr_mode].width - 1;
276 int height = cam->cam_mode[sd->gspca_dev.curr_mode].height;
277
278 for (i = 0; i < ARRAY_SIZE(start_mt9m111) && !err; i++) {
279 if (start_mt9m111[i][0] == BRIDGE) {
280 err = m5602_write_bridge(sd,
281 start_mt9m111[i][1],
282 start_mt9m111[i][2]);
283 } else {
284 data[0] = start_mt9m111[i][2];
285 data[1] = start_mt9m111[i][3];
286 err = m5602_write_sensor(sd,
287 start_mt9m111[i][1], data, 2);
288 }
289 }
290 if (err < 0)
291 return err;
292
293 err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (height >> 8) & 0xff);
294 if (err < 0)
295 return err;
296
297 err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (height & 0xff));
298 if (err < 0)
299 return err;
300
301 for (i = 0; i < 2 && !err; i++)
302 err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, 0);
303 if (err < 0)
304 return err;
305
306 err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0);
307 if (err < 0)
308 return err;
309
310 err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 2);
311 if (err < 0)
312 return err;
313
314 for (i = 0; i < 2 && !err; i++)
315 err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, 0);
316 if (err < 0)
317 return err;
318
319 err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA,
320 (width >> 8) & 0xff);
321 if (err < 0)
322 return err;
323
324 err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, width & 0xff);
325 if (err < 0)
326 return err;
327
328 err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0);
329 if (err < 0)
330 return err;
331
332 switch (width) {
333 case 640:
334 PDEBUG(D_V4L2, "Configuring camera for VGA mode");
335 data[0] = MT9M111_RMB_OVER_SIZED;
336 data[1] = MT9M111_RMB_ROW_SKIP_2X |
337 MT9M111_RMB_COLUMN_SKIP_2X |
338 (sensor_settings[VFLIP_IDX] << 0) |
339 (sensor_settings[HFLIP_IDX] << 1);
340
341 err = m5602_write_sensor(sd,
342 MT9M111_SC_R_MODE_CONTEXT_B, data, 2);
343 break;
344
345 case 320:
346 PDEBUG(D_V4L2, "Configuring camera for QVGA mode");
347 data[0] = MT9M111_RMB_OVER_SIZED;
348 data[1] = MT9M111_RMB_ROW_SKIP_4X |
349 MT9M111_RMB_COLUMN_SKIP_4X |
350 (sensor_settings[VFLIP_IDX] << 0) |
351 (sensor_settings[HFLIP_IDX] << 1);
352 err = m5602_write_sensor(sd,
353 MT9M111_SC_R_MODE_CONTEXT_B, data, 2);
354 break;
355 }
356 return err;
357 }
358
359 void mt9m111_disconnect(struct sd *sd)
360 {
361 sd->sensor = NULL;
362 kfree(sd->sensor_priv);
363 }
364
365 static int mt9m111_get_vflip(struct gspca_dev *gspca_dev, __s32 *val)
366 {
367 struct sd *sd = (struct sd *) gspca_dev;
368 s32 *sensor_settings = sd->sensor_priv;
369
370 *val = sensor_settings[VFLIP_IDX];
371 PDEBUG(D_V4L2, "Read vertical flip %d", *val);
372
373 return 0;
374 }
375
376 static int mt9m111_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
377 {
378 int err;
379 u8 data[2] = {0x00, 0x00};
380 struct sd *sd = (struct sd *) gspca_dev;
381 s32 *sensor_settings = sd->sensor_priv;
382
383 PDEBUG(D_V4L2, "Set vertical flip to %d", val);
384
385 sensor_settings[VFLIP_IDX] = val;
386
387 /* The mt9m111 is flipped by default */
388 val = !val;
389
390 /* Set the correct page map */
391 err = m5602_write_sensor(sd, MT9M111_PAGE_MAP, data, 2);
392 if (err < 0)
393 return err;
394
395 err = m5602_read_sensor(sd, MT9M111_SC_R_MODE_CONTEXT_B, data, 2);
396 if (err < 0)
397 return err;
398
399 data[1] = (data[1] & 0xfe) | val;
400 err = m5602_write_sensor(sd, MT9M111_SC_R_MODE_CONTEXT_B,
401 data, 2);
402 return err;
403 }
404
405 static int mt9m111_get_hflip(struct gspca_dev *gspca_dev, __s32 *val)
406 {
407 struct sd *sd = (struct sd *) gspca_dev;
408 s32 *sensor_settings = sd->sensor_priv;
409
410 *val = sensor_settings[HFLIP_IDX];
411 PDEBUG(D_V4L2, "Read horizontal flip %d", *val);
412
413 return 0;
414 }
415
416 static int mt9m111_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
417 {
418 int err;
419 u8 data[2] = {0x00, 0x00};
420 struct sd *sd = (struct sd *) gspca_dev;
421 s32 *sensor_settings = sd->sensor_priv;
422
423 PDEBUG(D_V4L2, "Set horizontal flip to %d", val);
424
425 sensor_settings[HFLIP_IDX] = val;
426
427 /* The mt9m111 is flipped by default */
428 val = !val;
429
430 /* Set the correct page map */
431 err = m5602_write_sensor(sd, MT9M111_PAGE_MAP, data, 2);
432 if (err < 0)
433 return err;
434
435 err = m5602_read_sensor(sd, MT9M111_SC_R_MODE_CONTEXT_B, data, 2);
436 if (err < 0)
437 return err;
438
439 data[1] = (data[1] & 0xfd) | ((val << 1) & 0x02);
440 err = m5602_write_sensor(sd, MT9M111_SC_R_MODE_CONTEXT_B,
441 data, 2);
442 return err;
443 }
444
445 static int mt9m111_get_gain(struct gspca_dev *gspca_dev, __s32 *val)
446 {
447 struct sd *sd = (struct sd *) gspca_dev;
448 s32 *sensor_settings = sd->sensor_priv;
449
450 *val = sensor_settings[GAIN_IDX];
451 PDEBUG(D_V4L2, "Read gain %d", *val);
452
453 return 0;
454 }
455
456 static int mt9m111_set_auto_white_balance(struct gspca_dev *gspca_dev,
457 __s32 val)
458 {
459 struct sd *sd = (struct sd *) gspca_dev;
460 s32 *sensor_settings = sd->sensor_priv;
461 int err;
462 u8 data[2];
463
464 err = m5602_read_sensor(sd, MT9M111_CP_OPERATING_MODE_CTL, data, 2);
465 if (err < 0)
466 return err;
467
468 sensor_settings[AUTO_WHITE_BALANCE_IDX] = val & 0x01;
469 data[1] = ((data[1] & 0xfd) | ((val & 0x01) << 1));
470
471 err = m5602_write_sensor(sd, MT9M111_CP_OPERATING_MODE_CTL, data, 2);
472
473 PDEBUG(D_V4L2, "Set auto white balance %d", val);
474 return err;
475 }
476
477 static int mt9m111_get_auto_white_balance(struct gspca_dev *gspca_dev,
478 __s32 *val) {
479 struct sd *sd = (struct sd *) gspca_dev;
480 s32 *sensor_settings = sd->sensor_priv;
481
482 *val = sensor_settings[AUTO_WHITE_BALANCE_IDX];
483 PDEBUG(D_V4L2, "Read auto white balance %d", *val);
484 return 0;
485 }
486
487 static int mt9m111_set_gain(struct gspca_dev *gspca_dev, __s32 val)
488 {
489 int err, tmp;
490 u8 data[2] = {0x00, 0x00};
491 struct sd *sd = (struct sd *) gspca_dev;
492 s32 *sensor_settings = sd->sensor_priv;
493
494 sensor_settings[GAIN_IDX] = val;
495
496 /* Set the correct page map */
497 err = m5602_write_sensor(sd, MT9M111_PAGE_MAP, data, 2);
498 if (err < 0)
499 return err;
500
501 if (val >= INITIAL_MAX_GAIN * 2 * 2 * 2)
502 return -EINVAL;
503
504 if ((val >= INITIAL_MAX_GAIN * 2 * 2) &&
505 (val < (INITIAL_MAX_GAIN - 1) * 2 * 2 * 2))
506 tmp = (1 << 10) | (val << 9) |
507 (val << 8) | (val / 8);
508 else if ((val >= INITIAL_MAX_GAIN * 2) &&
509 (val < INITIAL_MAX_GAIN * 2 * 2))
510 tmp = (1 << 9) | (1 << 8) | (val / 4);
511 else if ((val >= INITIAL_MAX_GAIN) &&
512 (val < INITIAL_MAX_GAIN * 2))
513 tmp = (1 << 8) | (val / 2);
514 else
515 tmp = val;
516
517 data[1] = (tmp & 0xff);
518 data[0] = (tmp & 0xff00) >> 8;
519 PDEBUG(D_V4L2, "tmp=%d, data[1]=%d, data[0]=%d", tmp,
520 data[1], data[0]);
521
522 err = m5602_write_sensor(sd, MT9M111_SC_GLOBAL_GAIN,
523 data, 2);
524
525 return err;
526 }
527
528 static int mt9m111_set_green_balance(struct gspca_dev *gspca_dev, __s32 val)
529 {
530 int err;
531 u8 data[2];
532 struct sd *sd = (struct sd *) gspca_dev;
533 s32 *sensor_settings = sd->sensor_priv;
534
535 sensor_settings[GREEN_BALANCE_IDX] = val;
536 data[1] = (val & 0xff);
537 data[0] = (val & 0xff00) >> 8;
538
539 PDEBUG(D_V4L2, "Set green balance %d", val);
540 err = m5602_write_sensor(sd, MT9M111_SC_GREEN_1_GAIN,
541 data, 2);
542 if (err < 0)
543 return err;
544
545 return m5602_write_sensor(sd, MT9M111_SC_GREEN_2_GAIN,
546 data, 2);
547 }
548
549 static int mt9m111_get_green_balance(struct gspca_dev *gspca_dev, __s32 *val)
550 {
551 struct sd *sd = (struct sd *) gspca_dev;
552 s32 *sensor_settings = sd->sensor_priv;
553
554 *val = sensor_settings[GREEN_BALANCE_IDX];
555 PDEBUG(D_V4L2, "Read green balance %d", *val);
556 return 0;
557 }
558
559 static int mt9m111_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val)
560 {
561 u8 data[2];
562 struct sd *sd = (struct sd *) gspca_dev;
563 s32 *sensor_settings = sd->sensor_priv;
564
565 sensor_settings[BLUE_BALANCE_IDX] = val;
566 data[1] = (val & 0xff);
567 data[0] = (val & 0xff00) >> 8;
568
569 PDEBUG(D_V4L2, "Set blue balance %d", val);
570
571 return m5602_write_sensor(sd, MT9M111_SC_BLUE_GAIN,
572 data, 2);
573 }
574
575 static int mt9m111_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val)
576 {
577 struct sd *sd = (struct sd *) gspca_dev;
578 s32 *sensor_settings = sd->sensor_priv;
579
580 *val = sensor_settings[BLUE_BALANCE_IDX];
581 PDEBUG(D_V4L2, "Read blue balance %d", *val);
582 return 0;
583 }
584
585 static int mt9m111_set_red_balance(struct gspca_dev *gspca_dev, __s32 val)
586 {
587 u8 data[2];
588 struct sd *sd = (struct sd *) gspca_dev;
589 s32 *sensor_settings = sd->sensor_priv;
590
591 sensor_settings[RED_BALANCE_IDX] = val;
592 data[1] = (val & 0xff);
593 data[0] = (val & 0xff00) >> 8;
594
595 PDEBUG(D_V4L2, "Set red balance %d", val);
596
597 return m5602_write_sensor(sd, MT9M111_SC_RED_GAIN,
598 data, 2);
599 }
600
601 static int mt9m111_get_red_balance(struct gspca_dev *gspca_dev, __s32 *val)
602 {
603 struct sd *sd = (struct sd *) gspca_dev;
604 s32 *sensor_settings = sd->sensor_priv;
605
606 *val = sensor_settings[RED_BALANCE_IDX];
607 PDEBUG(D_V4L2, "Read red balance %d", *val);
608 return 0;
609 }
610
611 static void mt9m111_dump_registers(struct sd *sd)
612 {
613 u8 address, value[2] = {0x00, 0x00};
614
615 info("Dumping the mt9m111 register state");
616
617 info("Dumping the mt9m111 sensor core registers");
618 value[1] = MT9M111_SENSOR_CORE;
619 m5602_write_sensor(sd, MT9M111_PAGE_MAP, value, 2);
620 for (address = 0; address < 0xff; address++) {
621 m5602_read_sensor(sd, address, value, 2);
622 info("register 0x%x contains 0x%x%x",
623 address, value[0], value[1]);
624 }
625
626 info("Dumping the mt9m111 color pipeline registers");
627 value[1] = MT9M111_COLORPIPE;
628 m5602_write_sensor(sd, MT9M111_PAGE_MAP, value, 2);
629 for (address = 0; address < 0xff; address++) {
630 m5602_read_sensor(sd, address, value, 2);
631 info("register 0x%x contains 0x%x%x",
632 address, value[0], value[1]);
633 }
634
635 info("Dumping the mt9m111 camera control registers");
636 value[1] = MT9M111_CAMERA_CONTROL;
637 m5602_write_sensor(sd, MT9M111_PAGE_MAP, value, 2);
638 for (address = 0; address < 0xff; address++) {
639 m5602_read_sensor(sd, address, value, 2);
640 info("register 0x%x contains 0x%x%x",
641 address, value[0], value[1]);
642 }
643
644 info("mt9m111 register state dump complete");
645 }
Linux Btrfs Development