1/*
2 * Samsung LSI S5C73M3 8M pixel camera driver
3 *
4 * Copyright (C) 2012, Samsung Electronics, Co., Ltd.
5 * Sylwester Nawrocki <s.nawrocki@samsung.com>
6 * Andrzej Hajda <a.hajda@samsung.com>
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * version 2 as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 */
17
18#include <linux/sizes.h>
19#include <linux/delay.h>
20#include <linux/firmware.h>
21#include <linux/gpio.h>
22#include <linux/i2c.h>
23#include <linux/init.h>
24#include <linux/media.h>
25#include <linux/module.h>
26#include <linux/regulator/consumer.h>
27#include <linux/slab.h>
28#include <linux/spi/spi.h>
29#include <linux/videodev2.h>
30#include <media/media-entity.h>
31#include <media/v4l2-ctrls.h>
32#include <media/v4l2-device.h>
33#include <media/v4l2-subdev.h>
34#include <media/v4l2-mediabus.h>
35#include <media/s5c73m3.h>
36
37#include "s5c73m3.h"
38
39static int s5c73m3_get_af_status(struct s5c73m3 *state, struct v4l2_ctrl *ctrl)
40{
41	u16 reg = REG_AF_STATUS_UNFOCUSED;
42
43	int ret = s5c73m3_read(state, REG_AF_STATUS, &reg);
44
45	switch (reg) {
46	case REG_CAF_STATUS_FIND_SEARCH_DIR:
47	case REG_AF_STATUS_FOCUSING:
48	case REG_CAF_STATUS_FOCUSING:
49		ctrl->val = V4L2_AUTO_FOCUS_STATUS_BUSY;
50		break;
51	case REG_CAF_STATUS_FOCUSED:
52	case REG_AF_STATUS_FOCUSED:
53		ctrl->val = V4L2_AUTO_FOCUS_STATUS_REACHED;
54		break;
55	default:
56		v4l2_info(&state->sensor_sd, "Unknown AF status %#x\n", reg);
57		/* Fall through */
58	case REG_CAF_STATUS_UNFOCUSED:
59	case REG_AF_STATUS_UNFOCUSED:
60	case REG_AF_STATUS_INVALID:
61		ctrl->val = V4L2_AUTO_FOCUS_STATUS_FAILED;
62		break;
63	}
64
65	return ret;
66}
67
68static int s5c73m3_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
69{
70	struct v4l2_subdev *sd = ctrl_to_sensor_sd(ctrl);
71	struct s5c73m3 *state = sensor_sd_to_s5c73m3(sd);
72	int ret;
73
74	if (state->power == 0)
75		return -EBUSY;
76
77	switch (ctrl->id) {
78	case V4L2_CID_FOCUS_AUTO:
79		ret = s5c73m3_get_af_status(state, state->ctrls.af_status);
80		if (ret)
81			return ret;
82		break;
83	}
84
85	return 0;
86}
87
88static int s5c73m3_set_colorfx(struct s5c73m3 *state, int val)
89{
90	static const unsigned short colorfx[][2] = {
91		{ V4L2_COLORFX_NONE,	 COMM_IMAGE_EFFECT_NONE },
92		{ V4L2_COLORFX_BW,	 COMM_IMAGE_EFFECT_MONO },
93		{ V4L2_COLORFX_SEPIA,	 COMM_IMAGE_EFFECT_SEPIA },
94		{ V4L2_COLORFX_NEGATIVE, COMM_IMAGE_EFFECT_NEGATIVE },
95		{ V4L2_COLORFX_AQUA,	 COMM_IMAGE_EFFECT_AQUA },
96	};
97	int i;
98
99	for (i = 0; i < ARRAY_SIZE(colorfx); i++) {
100		if (colorfx[i][0] != val)
101			continue;
102
103		v4l2_dbg(1, s5c73m3_dbg, &state->sensor_sd,
104			 "Setting %s color effect\n",
105			 v4l2_ctrl_get_menu(state->ctrls.colorfx->id)[i]);
106
107		return s5c73m3_isp_command(state, COMM_IMAGE_EFFECT,
108					 colorfx[i][1]);
109	}
110	return -EINVAL;
111}
112
113/* Set exposure metering/exposure bias */
114static int s5c73m3_set_exposure(struct s5c73m3 *state, int auto_exp)
115{
116	struct v4l2_subdev *sd = &state->sensor_sd;
117	struct s5c73m3_ctrls *ctrls = &state->ctrls;
118	int ret = 0;
119
120	if (ctrls->exposure_metering->is_new) {
121		u16 metering;
122
123		switch (ctrls->exposure_metering->val) {
124		case V4L2_EXPOSURE_METERING_CENTER_WEIGHTED:
125			metering = COMM_METERING_CENTER;
126			break;
127		case V4L2_EXPOSURE_METERING_SPOT:
128			metering = COMM_METERING_SPOT;
129			break;
130		default:
131			metering = COMM_METERING_AVERAGE;
132			break;
133		}
134
135		ret = s5c73m3_isp_command(state, COMM_METERING, metering);
136	}
137
138	if (!ret && ctrls->exposure_bias->is_new) {
139		u16 exp_bias = ctrls->exposure_bias->val;
140		ret = s5c73m3_isp_command(state, COMM_EV, exp_bias);
141	}
142
143	v4l2_dbg(1, s5c73m3_dbg, sd,
144		 "%s: exposure bias: %#x, metering: %#x (%d)\n",  __func__,
145		 ctrls->exposure_bias->val, ctrls->exposure_metering->val, ret);
146
147	return ret;
148}
149
150static int s5c73m3_set_white_balance(struct s5c73m3 *state, int val)
151{
152	static const unsigned short wb[][2] = {
153		{ V4L2_WHITE_BALANCE_INCANDESCENT,  COMM_AWB_MODE_INCANDESCENT},
154		{ V4L2_WHITE_BALANCE_FLUORESCENT,   COMM_AWB_MODE_FLUORESCENT1},
155		{ V4L2_WHITE_BALANCE_FLUORESCENT_H, COMM_AWB_MODE_FLUORESCENT2},
156		{ V4L2_WHITE_BALANCE_CLOUDY,        COMM_AWB_MODE_CLOUDY},
157		{ V4L2_WHITE_BALANCE_DAYLIGHT,      COMM_AWB_MODE_DAYLIGHT},
158		{ V4L2_WHITE_BALANCE_AUTO,          COMM_AWB_MODE_AUTO},
159	};
160	int i;
161
162	for (i = 0; i < ARRAY_SIZE(wb); i++) {
163		if (wb[i][0] != val)
164			continue;
165
166		v4l2_dbg(1, s5c73m3_dbg, &state->sensor_sd,
167			 "Setting white balance to: %s\n",
168			 v4l2_ctrl_get_menu(state->ctrls.auto_wb->id)[i]);
169
170		return s5c73m3_isp_command(state, COMM_AWB_MODE, wb[i][1]);
171	}
172
173	return -EINVAL;
174}
175
176static int s5c73m3_af_run(struct s5c73m3 *state, bool on)
177{
178	struct s5c73m3_ctrls *c = &state->ctrls;
179
180	if (!on)
181		return s5c73m3_isp_command(state, COMM_AF_CON,
182							COMM_AF_CON_STOP);
183
184	if (c->focus_auto->val)
185		return s5c73m3_isp_command(state, COMM_AF_MODE,
186					   COMM_AF_MODE_PREVIEW_CAF_START);
187
188	return s5c73m3_isp_command(state, COMM_AF_CON, COMM_AF_CON_START);
189}
190
191static int s5c73m3_3a_lock(struct s5c73m3 *state, struct v4l2_ctrl *ctrl)
192{
193	bool awb_lock = ctrl->val & V4L2_LOCK_WHITE_BALANCE;
194	bool ae_lock = ctrl->val & V4L2_LOCK_EXPOSURE;
195	bool af_lock = ctrl->val & V4L2_LOCK_FOCUS;
196	int ret = 0;
197
198	if ((ctrl->val ^ ctrl->cur.val) & V4L2_LOCK_EXPOSURE) {
199		ret = s5c73m3_isp_command(state, COMM_AE_CON,
200				ae_lock ? COMM_AE_STOP : COMM_AE_START);
201		if (ret)
202			return ret;
203	}
204
205	if (((ctrl->val ^ ctrl->cur.val) & V4L2_LOCK_WHITE_BALANCE)
206	    && state->ctrls.auto_wb->val) {
207		ret = s5c73m3_isp_command(state, COMM_AWB_CON,
208			awb_lock ? COMM_AWB_STOP : COMM_AWB_START);
209		if (ret)
210			return ret;
211	}
212
213	if ((ctrl->val ^ ctrl->cur.val) & V4L2_LOCK_FOCUS)
214		ret = s5c73m3_af_run(state, ~af_lock);
215
216	return ret;
217}
218
219static int s5c73m3_set_auto_focus(struct s5c73m3 *state, int caf)
220{
221	struct s5c73m3_ctrls *c = &state->ctrls;
222	int ret = 1;
223
224	if (c->af_distance->is_new) {
225		u16 mode = (c->af_distance->val == V4L2_AUTO_FOCUS_RANGE_MACRO)
226				? COMM_AF_MODE_MACRO : COMM_AF_MODE_NORMAL;
227		ret = s5c73m3_isp_command(state, COMM_AF_MODE, mode);
228		if (ret != 0)
229			return ret;
230	}
231
232	if (!ret || (c->focus_auto->is_new && c->focus_auto->val) ||
233							c->af_start->is_new)
234		ret = s5c73m3_af_run(state, 1);
235	else if ((c->focus_auto->is_new && !c->focus_auto->val) ||
236							c->af_stop->is_new)
237		ret = s5c73m3_af_run(state, 0);
238	else
239		ret = 0;
240
241	return ret;
242}
243
244static int s5c73m3_set_contrast(struct s5c73m3 *state, int val)
245{
246	u16 reg = (val < 0) ? -val + 2 : val;
247	return s5c73m3_isp_command(state, COMM_CONTRAST, reg);
248}
249
250static int s5c73m3_set_saturation(struct s5c73m3 *state, int val)
251{
252	u16 reg = (val < 0) ? -val + 2 : val;
253	return s5c73m3_isp_command(state, COMM_SATURATION, reg);
254}
255
256static int s5c73m3_set_sharpness(struct s5c73m3 *state, int val)
257{
258	u16 reg = (val < 0) ? -val + 2 : val;
259	return s5c73m3_isp_command(state, COMM_SHARPNESS, reg);
260}
261
262static int s5c73m3_set_iso(struct s5c73m3 *state, int val)
263{
264	u32 iso;
265
266	if (val == V4L2_ISO_SENSITIVITY_MANUAL)
267		iso = state->ctrls.iso->val + 1;
268	else
269		iso = 0;
270
271	return s5c73m3_isp_command(state, COMM_ISO, iso);
272}
273
274static int s5c73m3_set_stabilization(struct s5c73m3 *state, int val)
275{
276	struct v4l2_subdev *sd = &state->sensor_sd;
277
278	v4l2_dbg(1, s5c73m3_dbg, sd, "Image stabilization: %d\n", val);
279
280	return s5c73m3_isp_command(state, COMM_FRAME_RATE, val ?
281			COMM_FRAME_RATE_ANTI_SHAKE : COMM_FRAME_RATE_AUTO_SET);
282}
283
284static int s5c73m3_set_jpeg_quality(struct s5c73m3 *state, int quality)
285{
286	int reg;
287
288	if (quality <= 65)
289		reg = COMM_IMAGE_QUALITY_NORMAL;
290	else if (quality <= 75)
291		reg = COMM_IMAGE_QUALITY_FINE;
292	else
293		reg = COMM_IMAGE_QUALITY_SUPERFINE;
294
295	return s5c73m3_isp_command(state, COMM_IMAGE_QUALITY, reg);
296}
297
298static int s5c73m3_set_scene_program(struct s5c73m3 *state, int val)
299{
300	static const unsigned short scene_lookup[] = {
301		COMM_SCENE_MODE_NONE,	     /* V4L2_SCENE_MODE_NONE */
302		COMM_SCENE_MODE_AGAINST_LIGHT,/* V4L2_SCENE_MODE_BACKLIGHT */
303		COMM_SCENE_MODE_BEACH,	     /* V4L2_SCENE_MODE_BEACH_SNOW */
304		COMM_SCENE_MODE_CANDLE,	     /* V4L2_SCENE_MODE_CANDLE_LIGHT */
305		COMM_SCENE_MODE_DAWN,	     /* V4L2_SCENE_MODE_DAWN_DUSK */
306		COMM_SCENE_MODE_FALL,	     /* V4L2_SCENE_MODE_FALL_COLORS */
307		COMM_SCENE_MODE_FIRE,	     /* V4L2_SCENE_MODE_FIREWORKS */
308		COMM_SCENE_MODE_LANDSCAPE,    /* V4L2_SCENE_MODE_LANDSCAPE */
309		COMM_SCENE_MODE_NIGHT,	     /* V4L2_SCENE_MODE_NIGHT */
310		COMM_SCENE_MODE_INDOOR,	     /* V4L2_SCENE_MODE_PARTY_INDOOR */
311		COMM_SCENE_MODE_PORTRAIT,     /* V4L2_SCENE_MODE_PORTRAIT */
312		COMM_SCENE_MODE_SPORTS,	     /* V4L2_SCENE_MODE_SPORTS */
313		COMM_SCENE_MODE_SUNSET,	     /* V4L2_SCENE_MODE_SUNSET */
314		COMM_SCENE_MODE_TEXT,	     /* V4L2_SCENE_MODE_TEXT */
315	};
316
317	v4l2_dbg(1, s5c73m3_dbg, &state->sensor_sd, "Setting %s scene mode\n",
318		 v4l2_ctrl_get_menu(state->ctrls.scene_mode->id)[val]);
319
320	return s5c73m3_isp_command(state, COMM_SCENE_MODE, scene_lookup[val]);
321}
322
323static int s5c73m3_set_power_line_freq(struct s5c73m3 *state, int val)
324{
325	unsigned int pwr_line_freq = COMM_FLICKER_NONE;
326
327	switch (val) {
328	case V4L2_CID_POWER_LINE_FREQUENCY_DISABLED:
329		pwr_line_freq = COMM_FLICKER_NONE;
330		break;
331	case V4L2_CID_POWER_LINE_FREQUENCY_50HZ:
332		pwr_line_freq = COMM_FLICKER_AUTO_50HZ;
333		break;
334	case V4L2_CID_POWER_LINE_FREQUENCY_60HZ:
335		pwr_line_freq = COMM_FLICKER_AUTO_60HZ;
336		break;
337	default:
338	case V4L2_CID_POWER_LINE_FREQUENCY_AUTO:
339		pwr_line_freq = COMM_FLICKER_NONE;
340	}
341
342	return s5c73m3_isp_command(state, COMM_FLICKER_MODE, pwr_line_freq);
343}
344
345static int s5c73m3_s_ctrl(struct v4l2_ctrl *ctrl)
346{
347	struct v4l2_subdev *sd = ctrl_to_sensor_sd(ctrl);
348	struct s5c73m3 *state = sensor_sd_to_s5c73m3(sd);
349	int ret = 0;
350
351	v4l2_dbg(1, s5c73m3_dbg, sd, "set_ctrl: %s, value: %d\n",
352		 ctrl->name, ctrl->val);
353
354	mutex_lock(&state->lock);
355	/*
356	 * If the device is not powered up by the host driver do
357	 * not apply any controls to H/W at this time. Instead
358	 * the controls will be restored right after power-up.
359	 */
360	if (state->power == 0)
361		goto unlock;
362
363	if (ctrl->flags & V4L2_CTRL_FLAG_INACTIVE) {
364		ret = -EINVAL;
365		goto unlock;
366	}
367
368	switch (ctrl->id) {
369	case V4L2_CID_3A_LOCK:
370		ret = s5c73m3_3a_lock(state, ctrl);
371		break;
372
373	case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
374		ret = s5c73m3_set_white_balance(state, ctrl->val);
375		break;
376
377	case V4L2_CID_CONTRAST:
378		ret = s5c73m3_set_contrast(state, ctrl->val);
379		break;
380
381	case V4L2_CID_COLORFX:
382		ret = s5c73m3_set_colorfx(state, ctrl->val);
383		break;
384
385	case V4L2_CID_EXPOSURE_AUTO:
386		ret = s5c73m3_set_exposure(state, ctrl->val);
387		break;
388
389	case V4L2_CID_FOCUS_AUTO:
390		ret = s5c73m3_set_auto_focus(state, ctrl->val);
391		break;
392
393	case V4L2_CID_IMAGE_STABILIZATION:
394		ret = s5c73m3_set_stabilization(state, ctrl->val);
395		break;
396
397	case V4L2_CID_ISO_SENSITIVITY:
398		ret = s5c73m3_set_iso(state, ctrl->val);
399		break;
400
401	case V4L2_CID_JPEG_COMPRESSION_QUALITY:
402		ret = s5c73m3_set_jpeg_quality(state, ctrl->val);
403		break;
404
405	case V4L2_CID_POWER_LINE_FREQUENCY:
406		ret = s5c73m3_set_power_line_freq(state, ctrl->val);
407		break;
408
409	case V4L2_CID_SATURATION:
410		ret = s5c73m3_set_saturation(state, ctrl->val);
411		break;
412
413	case V4L2_CID_SCENE_MODE:
414		ret = s5c73m3_set_scene_program(state, ctrl->val);
415		break;
416
417	case V4L2_CID_SHARPNESS:
418		ret = s5c73m3_set_sharpness(state, ctrl->val);
419		break;
420
421	case V4L2_CID_WIDE_DYNAMIC_RANGE:
422		ret = s5c73m3_isp_command(state, COMM_WDR, !!ctrl->val);
423		break;
424
425	case V4L2_CID_ZOOM_ABSOLUTE:
426		ret = s5c73m3_isp_command(state, COMM_ZOOM_STEP, ctrl->val);
427		break;
428	}
429unlock:
430	mutex_unlock(&state->lock);
431	return ret;
432}
433
434static const struct v4l2_ctrl_ops s5c73m3_ctrl_ops = {
435	.g_volatile_ctrl	= s5c73m3_g_volatile_ctrl,
436	.s_ctrl			= s5c73m3_s_ctrl,
437};
438
439/* Supported manual ISO values */
440static const s64 iso_qmenu[] = {
441	/* COMM_ISO: 0x0001...0x0004 */
442	100, 200, 400, 800,
443};
444
445/* Supported exposure bias values (-2.0EV...+2.0EV) */
446static const s64 ev_bias_qmenu[] = {
447	/* COMM_EV: 0x0000...0x0008 */
448	-2000, -1500, -1000, -500, 0, 500, 1000, 1500, 2000
449};
450
451int s5c73m3_init_controls(struct s5c73m3 *state)
452{
453	const struct v4l2_ctrl_ops *ops = &s5c73m3_ctrl_ops;
454	struct s5c73m3_ctrls *ctrls = &state->ctrls;
455	struct v4l2_ctrl_handler *hdl = &ctrls->handler;
456
457	int ret = v4l2_ctrl_handler_init(hdl, 22);
458	if (ret)
459		return ret;
460
461	/* White balance */
462	ctrls->auto_wb = v4l2_ctrl_new_std_menu(hdl, ops,
463			V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE,
464			9, ~0x15e, V4L2_WHITE_BALANCE_AUTO);
465
466	/* Exposure (only automatic exposure) */
467	ctrls->auto_exposure = v4l2_ctrl_new_std_menu(hdl, ops,
468			V4L2_CID_EXPOSURE_AUTO, 0, ~0x01, V4L2_EXPOSURE_AUTO);
469
470	ctrls->exposure_bias = v4l2_ctrl_new_int_menu(hdl, ops,
471			V4L2_CID_AUTO_EXPOSURE_BIAS,
472			ARRAY_SIZE(ev_bias_qmenu) - 1,
473			ARRAY_SIZE(ev_bias_qmenu)/2 - 1,
474			ev_bias_qmenu);
475
476	ctrls->exposure_metering = v4l2_ctrl_new_std_menu(hdl, ops,
477			V4L2_CID_EXPOSURE_METERING,
478			2, ~0x7, V4L2_EXPOSURE_METERING_AVERAGE);
479
480	/* Auto focus */
481	ctrls->focus_auto = v4l2_ctrl_new_std(hdl, ops,
482			V4L2_CID_FOCUS_AUTO, 0, 1, 1, 0);
483
484	ctrls->af_start = v4l2_ctrl_new_std(hdl, ops,
485			V4L2_CID_AUTO_FOCUS_START, 0, 1, 1, 0);
486
487	ctrls->af_stop = v4l2_ctrl_new_std(hdl, ops,
488			V4L2_CID_AUTO_FOCUS_STOP, 0, 1, 1, 0);
489
490	ctrls->af_status = v4l2_ctrl_new_std(hdl, ops,
491			V4L2_CID_AUTO_FOCUS_STATUS, 0,
492			(V4L2_AUTO_FOCUS_STATUS_BUSY |
493			 V4L2_AUTO_FOCUS_STATUS_REACHED |
494			 V4L2_AUTO_FOCUS_STATUS_FAILED),
495			0, V4L2_AUTO_FOCUS_STATUS_IDLE);
496
497	ctrls->af_distance = v4l2_ctrl_new_std_menu(hdl, ops,
498			V4L2_CID_AUTO_FOCUS_RANGE,
499			V4L2_AUTO_FOCUS_RANGE_MACRO,
500			~(1 << V4L2_AUTO_FOCUS_RANGE_NORMAL |
501			  1 << V4L2_AUTO_FOCUS_RANGE_MACRO),
502			V4L2_AUTO_FOCUS_RANGE_NORMAL);
503	/* ISO sensitivity */
504	ctrls->auto_iso = v4l2_ctrl_new_std_menu(hdl, ops,
505			V4L2_CID_ISO_SENSITIVITY_AUTO, 1, 0,
506			V4L2_ISO_SENSITIVITY_AUTO);
507
508	ctrls->iso = v4l2_ctrl_new_int_menu(hdl, ops,
509			V4L2_CID_ISO_SENSITIVITY, ARRAY_SIZE(iso_qmenu) - 1,
510			ARRAY_SIZE(iso_qmenu)/2 - 1, iso_qmenu);
511
512	ctrls->contrast = v4l2_ctrl_new_std(hdl, ops,
513			V4L2_CID_CONTRAST, -2, 2, 1, 0);
514
515	ctrls->saturation = v4l2_ctrl_new_std(hdl, ops,
516			V4L2_CID_SATURATION, -2, 2, 1, 0);
517
518	ctrls->sharpness = v4l2_ctrl_new_std(hdl, ops,
519			V4L2_CID_SHARPNESS, -2, 2, 1, 0);
520
521	ctrls->zoom = v4l2_ctrl_new_std(hdl, ops,
522			V4L2_CID_ZOOM_ABSOLUTE, 0, 30, 1, 0);
523
524	ctrls->colorfx = v4l2_ctrl_new_std_menu(hdl, ops, V4L2_CID_COLORFX,
525			V4L2_COLORFX_AQUA, ~0x40f, V4L2_COLORFX_NONE);
526
527	ctrls->wdr = v4l2_ctrl_new_std(hdl, ops,
528			V4L2_CID_WIDE_DYNAMIC_RANGE, 0, 1, 1, 0);
529
530	ctrls->stabilization = v4l2_ctrl_new_std(hdl, ops,
531			V4L2_CID_IMAGE_STABILIZATION, 0, 1, 1, 0);
532
533	v4l2_ctrl_new_std_menu(hdl, ops, V4L2_CID_POWER_LINE_FREQUENCY,
534			       V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0,
535			       V4L2_CID_POWER_LINE_FREQUENCY_AUTO);
536
537	ctrls->jpeg_quality = v4l2_ctrl_new_std(hdl, ops,
538			V4L2_CID_JPEG_COMPRESSION_QUALITY, 1, 100, 1, 80);
539
540	ctrls->scene_mode = v4l2_ctrl_new_std_menu(hdl, ops,
541			V4L2_CID_SCENE_MODE, V4L2_SCENE_MODE_TEXT, ~0x3fff,
542			V4L2_SCENE_MODE_NONE);
543
544	ctrls->aaa_lock = v4l2_ctrl_new_std(hdl, ops,
545			V4L2_CID_3A_LOCK, 0, 0x7, 0, 0);
546
547	if (hdl->error) {
548		ret = hdl->error;
549		v4l2_ctrl_handler_free(hdl);
550		return ret;
551	}
552
553	v4l2_ctrl_auto_cluster(3, &ctrls->auto_exposure, 0, false);
554	ctrls->auto_iso->flags |= V4L2_CTRL_FLAG_VOLATILE |
555				V4L2_CTRL_FLAG_UPDATE;
556	v4l2_ctrl_auto_cluster(2, &ctrls->auto_iso, 0, false);
557	ctrls->af_status->flags |= V4L2_CTRL_FLAG_VOLATILE;
558	v4l2_ctrl_cluster(6, &ctrls->focus_auto);
559
560	state->sensor_sd.ctrl_handler = hdl;
561
562	return 0;
563}
564