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, ®); 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