131 	int ret;  in adp8870_read()  local
133 	ret = i2c_smbus_read_byte_data(client, reg);  in adp8870_read()
134 	if (ret < 0) {  in adp8870_read()
136 		return ret;  in adp8870_read()
139 	*val = ret;  in adp8870_read()
146 	int ret = i2c_smbus_write_byte_data(client, reg, val);  in adp8870_write()  local
148 	if (ret)  in adp8870_write()
151 	return ret;  in adp8870_write()
158 	int ret;  in adp8870_set_bits()  local
162 	ret = adp8870_read(client, reg, &reg_val);  in adp8870_set_bits()
164 	if (!ret && ((reg_val & bit_mask) != bit_mask)) {  in adp8870_set_bits()
166 		ret = adp8870_write(client, reg, reg_val);  in adp8870_set_bits()
170 	return ret;  in adp8870_set_bits()
177 	int ret;  in adp8870_clr_bits()  local
181 	ret = adp8870_read(client, reg, &reg_val);  in adp8870_clr_bits()
183 	if (!ret && (reg_val & bit_mask)) {  in adp8870_clr_bits()
185 		ret = adp8870_write(client, reg, reg_val);  in adp8870_clr_bits()
189 	return ret;  in adp8870_clr_bits()
220 	int ret = 0;  in adp8870_led_setup()  local
222 	ret = adp8870_write(client, ADP8870_ISC1 + led->id - 1, 0);  in adp8870_led_setup()
223 	if (ret)  in adp8870_led_setup()
224 		return ret;  in adp8870_led_setup()
226 	ret = adp8870_set_bits(client, ADP8870_ISCC, 1 << (led->id - 1));  in adp8870_led_setup()
227 	if (ret)  in adp8870_led_setup()
228 		return ret;  in adp8870_led_setup()
231 		ret = adp8870_set_bits(client, ADP8870_ISCT1,  in adp8870_led_setup()
234 		ret = adp8870_set_bits(client, ADP8870_ISCT2,  in adp8870_led_setup()
237 	return ret;  in adp8870_led_setup()
247 	int ret, i;  in adp8870_led_probe()  local
254 	ret = adp8870_write(client, ADP8870_ISCLAW, pdata->led_fade_law);  in adp8870_led_probe()
255 	if (ret)  in adp8870_led_probe()
256 		return ret;  in adp8870_led_probe()
258 	ret = adp8870_write(client, ADP8870_ISCT1,  in adp8870_led_probe()
260 	if (ret)  in adp8870_led_probe()
261 		return ret;  in adp8870_led_probe()
263 	ret = adp8870_write(client, ADP8870_ISCF,  in adp8870_led_probe()
265 	if (ret)  in adp8870_led_probe()
266 		return ret;  in adp8870_led_probe()
277 			ret = -EINVAL;  in adp8870_led_probe()
284 			ret = -EBUSY;  in adp8870_led_probe()
297 		ret = led_classdev_register(&client->dev, &led_dat->cdev);  in adp8870_led_probe()
298 		if (ret) {  in adp8870_led_probe()
304 		ret = adp8870_led_setup(led_dat);  in adp8870_led_probe()
305 		if (ret) {  in adp8870_led_probe()
322 	return ret;  in adp8870_led_probe()
355 	int ret = 0;  in adp8870_bl_set()  local
360 			ret = adp8870_clr_bits(client, ADP8870_MDCR,  in adp8870_bl_set()
362 			if (ret)  in adp8870_bl_set()
363 				return ret;  in adp8870_bl_set()
364 			ret = adp8870_write(client, ADP8870_BLMX1, brightness);  in adp8870_bl_set()
365 			if (ret)  in adp8870_bl_set()
366 				return ret;  in adp8870_bl_set()
372 			ret = adp8870_write(client, ADP8870_BLMX1,  in adp8870_bl_set()
374 			if (ret)  in adp8870_bl_set()
375 				return ret;  in adp8870_bl_set()
377 			ret = adp8870_set_bits(client, ADP8870_MDCR,  in adp8870_bl_set()
379 			if (ret)  in adp8870_bl_set()
380 				return ret;  in adp8870_bl_set()
383 		ret = adp8870_write(client, ADP8870_BLMX1, brightness);  in adp8870_bl_set()
384 		if (ret)  in adp8870_bl_set()
385 			return ret;  in adp8870_bl_set()
389 		ret = adp8870_set_bits(client,  in adp8870_bl_set()
392 		ret = adp8870_clr_bits(client,  in adp8870_bl_set()
395 	if (!ret)  in adp8870_bl_set()
398 	return ret;  in adp8870_bl_set()
431 	int ret = 0;  in adp8870_bl_setup()  local
433 	ret = adp8870_write(client, ADP8870_BLSEL, ~pdata->bl_led_assign);  in adp8870_bl_setup()
434 	if (ret)  in adp8870_bl_setup()
435 		return ret;  in adp8870_bl_setup()
437 	ret = adp8870_write(client, ADP8870_PWMLED, pdata->pwm_assign);  in adp8870_bl_setup()
438 	if (ret)  in adp8870_bl_setup()
439 		return ret;  in adp8870_bl_setup()
441 	ret = adp8870_write(client, ADP8870_BLMX1, pdata->l1_daylight_max);  in adp8870_bl_setup()
442 	if (ret)  in adp8870_bl_setup()
443 		return ret;  in adp8870_bl_setup()
445 	ret = adp8870_write(client, ADP8870_BLDM1, pdata->l1_daylight_dim);  in adp8870_bl_setup()
446 	if (ret)  in adp8870_bl_setup()
447 		return ret;  in adp8870_bl_setup()
451 		ret = adp8870_write(client, ADP8870_BLMX2,  in adp8870_bl_setup()
453 		if (ret)  in adp8870_bl_setup()
454 			return ret;  in adp8870_bl_setup()
455 		ret = adp8870_write(client, ADP8870_BLDM2,  in adp8870_bl_setup()
457 		if (ret)  in adp8870_bl_setup()
458 			return ret;  in adp8870_bl_setup()
460 		ret = adp8870_write(client, ADP8870_BLMX3,  in adp8870_bl_setup()
462 		if (ret)  in adp8870_bl_setup()
463 			return ret;  in adp8870_bl_setup()
464 		ret = adp8870_write(client, ADP8870_BLDM3,  in adp8870_bl_setup()
466 		if (ret)  in adp8870_bl_setup()
467 			return ret;  in adp8870_bl_setup()
469 		ret = adp8870_write(client, ADP8870_BLMX4,  in adp8870_bl_setup()
471 		if (ret)  in adp8870_bl_setup()
472 			return ret;  in adp8870_bl_setup()
474 		ret = adp8870_write(client, ADP8870_BLDM4,  in adp8870_bl_setup()
476 		if (ret)  in adp8870_bl_setup()
477 			return ret;  in adp8870_bl_setup()
479 		ret = adp8870_write(client, ADP8870_BLMX5,  in adp8870_bl_setup()
481 		if (ret)  in adp8870_bl_setup()
482 			return ret;  in adp8870_bl_setup()
484 		ret = adp8870_write(client, ADP8870_BLDM5,  in adp8870_bl_setup()
486 		if (ret)  in adp8870_bl_setup()
487 			return ret;  in adp8870_bl_setup()
489 		ret = adp8870_write(client, ADP8870_L2TRP, pdata->l2_trip);  in adp8870_bl_setup()
490 		if (ret)  in adp8870_bl_setup()
491 			return ret;  in adp8870_bl_setup()
493 		ret = adp8870_write(client, ADP8870_L2HYS, pdata->l2_hyst);  in adp8870_bl_setup()
494 		if (ret)  in adp8870_bl_setup()
495 			return ret;  in adp8870_bl_setup()
497 		ret = adp8870_write(client, ADP8870_L3TRP, pdata->l3_trip);  in adp8870_bl_setup()
498 		if (ret)  in adp8870_bl_setup()
499 			return ret;  in adp8870_bl_setup()
501 		ret = adp8870_write(client, ADP8870_L3HYS, pdata->l3_hyst);  in adp8870_bl_setup()
502 		if (ret)  in adp8870_bl_setup()
503 			return ret;  in adp8870_bl_setup()
505 		ret = adp8870_write(client, ADP8870_L4TRP, pdata->l4_trip);  in adp8870_bl_setup()
506 		if (ret)  in adp8870_bl_setup()
507 			return ret;  in adp8870_bl_setup()
509 		ret = adp8870_write(client, ADP8870_L4HYS, pdata->l4_hyst);  in adp8870_bl_setup()
510 		if (ret)  in adp8870_bl_setup()
511 			return ret;  in adp8870_bl_setup()
513 		ret = adp8870_write(client, ADP8870_L5TRP, pdata->l5_trip);  in adp8870_bl_setup()
514 		if (ret)  in adp8870_bl_setup()
515 			return ret;  in adp8870_bl_setup()
517 		ret = adp8870_write(client, ADP8870_L5HYS, pdata->l5_hyst);  in adp8870_bl_setup()
518 		if (ret)  in adp8870_bl_setup()
519 			return ret;  in adp8870_bl_setup()
521 		ret = adp8870_write(client, ADP8870_ALS1_EN, L5_EN | L4_EN |  in adp8870_bl_setup()
523 		if (ret)  in adp8870_bl_setup()
524 			return ret;  in adp8870_bl_setup()
526 		ret = adp8870_write(client, ADP8870_CMP_CTL,  in adp8870_bl_setup()
528 		if (ret)  in adp8870_bl_setup()
529 			return ret;  in adp8870_bl_setup()
532 	ret = adp8870_write(client, ADP8870_CFGR,  in adp8870_bl_setup()
534 	if (ret)  in adp8870_bl_setup()
535 		return ret;  in adp8870_bl_setup()
537 	ret = adp8870_write(client, ADP8870_BLFR, FADE_VAL(pdata->bl_fade_in,  in adp8870_bl_setup()
539 	if (ret)  in adp8870_bl_setup()
540 		return ret;  in adp8870_bl_setup()
545 	ret = adp8870_set_bits(client, ADP8870_MDCR, BLEN | DIM_EN | NSTBY |  in adp8870_bl_setup()
548 	return ret;  in adp8870_bl_setup()
572 	int ret;  in adp8870_store()  local
574 	ret = kstrtoul(buf, 10, &val);  in adp8870_store()
575 	if (ret)  in adp8870_store()
576 		return ret;  in adp8870_store()
654 	int ret = kstrtoul(buf, 10, &data->cached_daylight_max);  in adp8870_bl_l1_daylight_max_store()  local
656 	if (ret)  in adp8870_bl_l1_daylight_max_store()
657 		return ret;  in adp8870_bl_l1_daylight_max_store()
795 	int ret;  in adp8870_bl_ambient_light_zone_store()  local
797 	ret = kstrtoul(buf, 10, &val);  in adp8870_bl_ambient_light_zone_store()
798 	if (ret)  in adp8870_bl_ambient_light_zone_store()
799 		return ret;  in adp8870_bl_ambient_light_zone_store()
855 	int ret;  in adp8870_probe()  local
868 	ret = adp8870_read(client, ADP8870_MFDVID, &reg_val);  in adp8870_probe()
869 	if (ret < 0)  in adp8870_probe()
904 		ret = sysfs_create_group(&bl->dev.kobj,  in adp8870_probe()
906 		if (ret) {  in adp8870_probe()
908 			return ret;  in adp8870_probe()
912 	ret = adp8870_bl_setup(bl);  in adp8870_probe()
913 	if (ret) {  in adp8870_probe()
914 		ret = -EIO;  in adp8870_probe()
932 	return ret;  in adp8870_probe()