drivers/rtc/rtc-rv3028.c

123 	int ret, count;
126 	ret = regmap_read(rv3028->regmap, RV3028_TS_COUNT, &count);
127 	if (ret)
128 		return ret;
133 	ret = regmap_bulk_read(rv3028->regmap, RV3028_TS_SEC, date,
135 	if (ret)
136 		return ret;
145 	ret = rtc_valid_tm(&tm);
146 	if (ret)
147 		return ret;
159 	int ret, count;
161 	ret = regmap_read(rv3028->regmap, RV3028_TS_COUNT, &count);
162 	if (ret)
163 		return ret;
191 	int ret;
193 	ret = regmap_read(rv3028->regmap, RV3028_CTRL1, &ctrl1);
194 	if (ret)
195 		return ret;
201 	ret = regmap_update_bits(rv3028->regmap, RV3028_CTRL1,
203 	if (ret)
204 		return ret;
206 	ret = regmap_read_poll_timeout(rv3028->regmap, RV3028_STATUS, status,
209 	if (ret) {
212 		return ret;
221 	int ret;
223 	ret = regmap_write(rv3028->regmap, RV3028_EEPROM_CMD, 0x0);
224 	if (ret)
227 	ret = regmap_write(rv3028->regmap, RV3028_EEPROM_CMD, RV3028_EEPROM_CMD_UPDATE);
228 	if (ret)
233 	ret = regmap_read_poll_timeout(rv3028->regmap, RV3028_STATUS, status,
240 	return ret;
247 	int ret;
249 	ret = rv3028_enter_eerd(rv3028, &eerd);
250 	if (ret)
251 		return ret;
253 	ret = regmap_update_bits(rv3028->regmap, reg, mask, val);
254 	if (ret) {
256 		return ret;
312 	int ret, status;
314 	ret = regmap_read(rv3028->regmap, RV3028_STATUS, &status);
315 	if (ret < 0)
316 		return ret;
321 	ret = regmap_bulk_read(rv3028->regmap, RV3028_SEC, date, sizeof(date));
322 	if (ret)
323 		return ret;
340 	int ret;
354 	ret = regmap_bulk_write(rv3028->regmap, RV3028_SEC, date,
356 	if (ret)
357 		return ret;
359 	ret = regmap_update_bits(rv3028->regmap, RV3028_STATUS,
362 	return ret;
369 	int status, ctrl, ret;
371 	ret = regmap_bulk_read(rv3028->regmap, RV3028_ALARM_MIN, alarmvals,
373 	if (ret)
374 		return ret;
376 	ret = regmap_read(rv3028->regmap, RV3028_STATUS, &status);
377 	if (ret < 0)
378 		return ret;
380 	ret = regmap_read(rv3028->regmap, RV3028_CTRL2, &ctrl);
381 	if (ret < 0)
382 		return ret;
400 	int ret;
410 	ret = regmap_update_bits(rv3028->regmap, RV3028_CTRL2,
412 	if (ret)
413 		return ret;
419 	ret = regmap_update_bits(rv3028->regmap, RV3028_STATUS,
421 	if (ret)
422 		return ret;
424 	ret = regmap_bulk_write(rv3028->regmap, RV3028_ALARM_MIN, alarmvals,
426 	if (ret)
427 		return ret;
436 	ret = regmap_update_bits(rv3028->regmap, RV3028_CTRL2,
439 	return ret;
445 	int ctrl = 0, ret;
454 	ret = regmap_update_bits(rv3028->regmap, RV3028_STATUS,
456 	if (ret)
457 		return ret;
459 	ret = regmap_update_bits(rv3028->regmap, RV3028_CTRL2,
461 	if (ret)
462 		return ret;
470 	int ret, value, steps;
472 	ret = regmap_read(rv3028->regmap, RV3028_OFFSET, &value);
473 	if (ret < 0)
474 		return ret;
478 	ret = regmap_read(rv3028->regmap, RV3028_BACKUP, &value);
479 	if (ret < 0)
480 		return ret;
493 	int ret;
498 	ret = rv3028_enter_eerd(rv3028, &eerd);
499 	if (ret)
500 		return ret;
502 	ret = regmap_write(rv3028->regmap, RV3028_OFFSET, offset >> 1);
503 	if (ret < 0)
506 	ret = regmap_update_bits(rv3028->regmap, RV3028_BACKUP, BIT(7),
508 	if (ret < 0)
516 	return ret;
523 	int ret;
528 		ret = regmap_read(rv3028->regmap, RV3028_BACKUP, &value);
529 		if (ret < 0)
530 			return ret;
587 	int status, ret = 0;
591 		ret = regmap_read(rv3028->regmap, RV3028_STATUS, &status);
592 		if (ret < 0)
593 			return ret;
620 	int i, ret;
623 	ret = rv3028_enter_eerd(rv3028, &eerd);
624 	if (ret)
625 		return ret;
628 		ret = regmap_write(rv3028->regmap, RV3028_EEPROM_ADDR, offset + i);
629 		if (ret)
632 		ret = regmap_write(rv3028->regmap, RV3028_EEPROM_DATA, buf[i]);
633 		if (ret)
636 		ret = regmap_write(rv3028->regmap, RV3028_EEPROM_CMD, 0x0);
637 		if (ret)
640 		ret = regmap_write(rv3028->regmap, RV3028_EEPROM_CMD,
642 		if (ret)
647 		ret = regmap_read_poll_timeout(rv3028->regmap, RV3028_STATUS, status,
651 		if (ret)
658 	return ret;
666 	int i, ret;
669 	ret = rv3028_enter_eerd(rv3028, &eerd);
670 	if (ret)
671 		return ret;
674 		ret = regmap_write(rv3028->regmap, RV3028_EEPROM_ADDR, offset + i);
675 		if (ret)
678 		ret = regmap_write(rv3028->regmap, RV3028_EEPROM_CMD, 0x0);
679 		if (ret)
682 		ret = regmap_write(rv3028->regmap, RV3028_EEPROM_CMD,
684 		if (ret)
687 		ret = regmap_read_poll_timeout(rv3028->regmap, RV3028_STATUS, status,
691 		if (ret)
694 		ret = regmap_read(rv3028->regmap, RV3028_EEPROM_DATA, &data);
695 		if (ret)
703 	return ret;
721 	int clkout, ret;
724 	ret = regmap_read(rv3028->regmap, RV3028_CLKOUT, &clkout);
725 	if (ret < 0)
747 	int i, ret;
751 	ret = regmap_read(rv3028->regmap, RV3028_CLKOUT, &enabled);
752 	if (ret < 0)
753 		return ret;
755 	ret = regmap_write(rv3028->regmap, RV3028_CLKOUT, 0x0);
756 	if (ret < 0)
757 		return ret;
788 	int clkout, ret;
791 	ret = regmap_read(rv3028->regmap, RV3028_CLKOUT, &clkout);
792 	if (ret < 0)
793 		return ret;
810 	int ret;
815 	ret = regmap_update_bits(rv3028->regmap, RV3028_STATUS,
817 	if (ret < 0)
818 		return ret;
861 	int ret, val_old, val;
864 	ret = regmap_read(rv3028->regmap, RV3028_BACKUP, &val_old);
865 	if (ret < 0)
866 		return ret;
907 		ret = rv3028_update_cfg(rv3028, RV3028_BACKUP, RV3028_BACKUP_TCE |
909 		if (ret)
910 			return ret;
913 	return ret;
919 	int ret, status;
950 	ret = regmap_read(rv3028->regmap, RV3028_STATUS, &status);
951 	if (ret < 0)
952 		return ret;
973 		ret = devm_request_threaded_irq(&client->dev, client->irq,
977 		if (ret) {
985 	ret = regmap_update_bits(rv3028->regmap, RV3028_CTRL1,
987 	if (ret)
988 		return ret;
991 	ret = regmap_update_bits(rv3028->regmap, RV3028_CTRL2,
994 	if (ret)
995 		return ret;
997 	ret = rv3028_set_trickle_charger(rv3028, client);
998 	if (ret)
999 		return ret;
1001 	ret = rtc_add_group(rv3028->rtc, &rv3028_attr_group);
1002 	if (ret)
1003 		return ret;
1010 	ret = devm_rtc_register_device(rv3028->rtc);
1011 	if (ret)
1012 		return ret;