154 	int ret, status, cap, mode;  in sc27xx_fgu_is_first_poweron()  local
156 	ret = regmap_read(data->regmap,  in sc27xx_fgu_is_first_poweron()
158 	if (ret)  in sc27xx_fgu_is_first_poweron()
182 	int ret;  in sc27xx_fgu_save_boot_mode()  local
184 	ret = regmap_update_bits(data->regmap,  in sc27xx_fgu_save_boot_mode()
188 	if (ret)  in sc27xx_fgu_save_boot_mode()
189 		return ret;  in sc27xx_fgu_save_boot_mode()
199 	ret = regmap_update_bits(data->regmap,  in sc27xx_fgu_save_boot_mode()
203 	if (ret)  in sc27xx_fgu_save_boot_mode()
204 		return ret;  in sc27xx_fgu_save_boot_mode()
226 	int ret;  in sc27xx_fgu_save_last_cap()  local
228 	ret = regmap_update_bits(data->regmap,  in sc27xx_fgu_save_last_cap()
232 	if (ret)  in sc27xx_fgu_save_last_cap()
233 		return ret;  in sc27xx_fgu_save_last_cap()
243 	ret = regmap_update_bits(data->regmap,  in sc27xx_fgu_save_last_cap()
246 	if (ret)  in sc27xx_fgu_save_last_cap()
247 		return ret;  in sc27xx_fgu_save_last_cap()
269 	int ret, value;  in sc27xx_fgu_read_last_cap()  local
271 	ret = regmap_read(data->regmap,  in sc27xx_fgu_read_last_cap()
273 	if (ret)  in sc27xx_fgu_read_last_cap()
274 		return ret;  in sc27xx_fgu_read_last_cap()
288 	int volt, cur, oci, ocv, ret;  in sc27xx_fgu_get_boot_capacity()  local
297 		ret = sc27xx_fgu_read_last_cap(data, cap);  in sc27xx_fgu_get_boot_capacity()
298 		if (ret)  in sc27xx_fgu_get_boot_capacity()
299 			return ret;  in sc27xx_fgu_get_boot_capacity()
308 	ret = regmap_read(data->regmap, data->base + SC27XX_FGU_CLBCNT_QMAXL,  in sc27xx_fgu_get_boot_capacity()
310 	if (ret)  in sc27xx_fgu_get_boot_capacity()
311 		return ret;  in sc27xx_fgu_get_boot_capacity()
321 	ret = regmap_read(data->regmap, data->base + SC27XX_FGU_POCV, &volt);  in sc27xx_fgu_get_boot_capacity()
322 	if (ret)  in sc27xx_fgu_get_boot_capacity()
323 		return ret;  in sc27xx_fgu_get_boot_capacity()
336 	ret = sc27xx_fgu_save_last_cap(data, *cap);  in sc27xx_fgu_get_boot_capacity()
337 	if (ret)  in sc27xx_fgu_get_boot_capacity()
338 		return ret;  in sc27xx_fgu_get_boot_capacity()
345 	int ret;  in sc27xx_fgu_set_clbcnt()  local
347 	ret = regmap_update_bits(data->regmap,  in sc27xx_fgu_set_clbcnt()
350 	if (ret)  in sc27xx_fgu_set_clbcnt()
351 		return ret;  in sc27xx_fgu_set_clbcnt()
353 	ret = regmap_update_bits(data->regmap,  in sc27xx_fgu_set_clbcnt()
357 	if (ret)  in sc27xx_fgu_set_clbcnt()
358 		return ret;  in sc27xx_fgu_set_clbcnt()
367 	int ccl, cch, ret;  in sc27xx_fgu_get_clbcnt()  local
369 	ret = regmap_read(data->regmap, data->base + SC27XX_FGU_CLBCNT_VALL,  in sc27xx_fgu_get_clbcnt()
371 	if (ret)  in sc27xx_fgu_get_clbcnt()
372 		return ret;  in sc27xx_fgu_get_clbcnt()
374 	ret = regmap_read(data->regmap, data->base + SC27XX_FGU_CLBCNT_VALH,  in sc27xx_fgu_get_clbcnt()
376 	if (ret)  in sc27xx_fgu_get_clbcnt()
377 		return ret;  in sc27xx_fgu_get_clbcnt()
387 	int ret;  in sc27xx_fgu_get_vol_now()  local
390 	ret = regmap_read(data->regmap, data->base + SC27XX_FGU_VOLTAGE_BUF,  in sc27xx_fgu_get_vol_now()
392 	if (ret)  in sc27xx_fgu_get_vol_now()
393 		return ret;  in sc27xx_fgu_get_vol_now()
406 	int ret;  in sc27xx_fgu_get_cur_now()  local
409 	ret = regmap_read(data->regmap, data->base + SC27XX_FGU_CURRENT_BUF,  in sc27xx_fgu_get_cur_now()
411 	if (ret)  in sc27xx_fgu_get_cur_now()
412 		return ret;  in sc27xx_fgu_get_cur_now()
425 	int ret, cur_clbcnt, delta_clbcnt, delta_cap, temp;  in sc27xx_fgu_get_capacity()  local
428 	ret = sc27xx_fgu_get_clbcnt(data, &cur_clbcnt);  in sc27xx_fgu_get_capacity()
429 	if (ret)  in sc27xx_fgu_get_capacity()
430 		return ret;  in sc27xx_fgu_get_capacity()
456 	int ret, vol;  in sc27xx_fgu_get_vbat_vol()  local
458 	ret = regmap_read(data->regmap, data->base + SC27XX_FGU_VOLTAGE, &vol);  in sc27xx_fgu_get_vbat_vol()
459 	if (ret)  in sc27xx_fgu_get_vbat_vol()
460 		return ret;  in sc27xx_fgu_get_vbat_vol()
473 	int ret, cur;  in sc27xx_fgu_get_current()  local
475 	ret = regmap_read(data->regmap, data->base + SC27XX_FGU_CURRENT, &cur);  in sc27xx_fgu_get_current()
476 	if (ret)  in sc27xx_fgu_get_current()
477 		return ret;  in sc27xx_fgu_get_current()
490 	int vol, cur, ret, temp, resistance;  in sc27xx_fgu_get_vbat_ocv()  local
492 	ret = sc27xx_fgu_get_vbat_vol(data, &vol);  in sc27xx_fgu_get_vbat_ocv()
493 	if (ret)  in sc27xx_fgu_get_vbat_ocv()
494 		return ret;  in sc27xx_fgu_get_vbat_ocv()
496 	ret = sc27xx_fgu_get_current(data, &cur);  in sc27xx_fgu_get_vbat_ocv()
497 	if (ret)  in sc27xx_fgu_get_vbat_ocv()
498 		return ret;  in sc27xx_fgu_get_vbat_ocv()
502 		ret = sc27xx_fgu_get_temp(data, &temp);  in sc27xx_fgu_get_vbat_ocv()
503 		if (ret)  in sc27xx_fgu_get_vbat_ocv()
504 			return ret;  in sc27xx_fgu_get_vbat_ocv()
519 	int ret, vol;  in sc27xx_fgu_get_charge_vol()  local
521 	ret = iio_read_channel_processed(data->charge_chan, &vol);  in sc27xx_fgu_get_charge_vol()
522 	if (ret < 0)  in sc27xx_fgu_get_charge_vol()
523 		return ret;  in sc27xx_fgu_get_charge_vol()
536 	int ret, vol;  in sc27xx_fgu_get_health()  local
538 	ret = sc27xx_fgu_get_vbat_vol(data, &vol);  in sc27xx_fgu_get_health()
539 	if (ret)  in sc27xx_fgu_get_health()
540 		return ret;  in sc27xx_fgu_get_health()
554 	int i, ret = -EINVAL;  in sc27xx_fgu_get_status()  local
561 		ret = power_supply_get_property(psy, POWER_SUPPLY_PROP_STATUS,  in sc27xx_fgu_get_status()
564 		if (ret)  in sc27xx_fgu_get_status()
565 			return ret;  in sc27xx_fgu_get_status()
570 	return ret;  in sc27xx_fgu_get_status()
578 	int ret = 0;  in sc27xx_fgu_get_property()  local
585 		ret = sc27xx_fgu_get_status(data, &value);  in sc27xx_fgu_get_property()
586 		if (ret)  in sc27xx_fgu_get_property()
593 		ret = sc27xx_fgu_get_health(data, &value);  in sc27xx_fgu_get_property()
594 		if (ret)  in sc27xx_fgu_get_property()
605 		ret = sc27xx_fgu_get_temp(data, &value);  in sc27xx_fgu_get_property()
606 		if (ret)  in sc27xx_fgu_get_property()
617 		ret = sc27xx_fgu_get_capacity(data, &value);  in sc27xx_fgu_get_property()
618 		if (ret)  in sc27xx_fgu_get_property()
625 		ret = sc27xx_fgu_get_vbat_vol(data, &value);  in sc27xx_fgu_get_property()
626 		if (ret)  in sc27xx_fgu_get_property()
633 		ret = sc27xx_fgu_get_vbat_ocv(data, &value);  in sc27xx_fgu_get_property()
634 		if (ret)  in sc27xx_fgu_get_property()
641 		ret = sc27xx_fgu_get_charge_vol(data, &value);  in sc27xx_fgu_get_property()
642 		if (ret)  in sc27xx_fgu_get_property()
649 		ret = sc27xx_fgu_get_current(data, &value);  in sc27xx_fgu_get_property()
650 		if (ret)  in sc27xx_fgu_get_property()
661 		ret = sc27xx_fgu_get_clbcnt(data, &value);  in sc27xx_fgu_get_property()
662 		if (ret)  in sc27xx_fgu_get_property()
672 		ret = sc27xx_fgu_get_vol_now(data, &value);  in sc27xx_fgu_get_property()
673 		if (ret)  in sc27xx_fgu_get_property()
680 		ret = sc27xx_fgu_get_cur_now(data, &value);  in sc27xx_fgu_get_property()
681 		if (ret)  in sc27xx_fgu_get_property()
692 		ret = -EINVAL;  in sc27xx_fgu_get_property()
698 	return ret;  in sc27xx_fgu_get_property()
706 	int ret;  in sc27xx_fgu_set_property()  local
712 		ret = sc27xx_fgu_save_last_cap(data, val->intval);  in sc27xx_fgu_set_property()
713 		if (ret < 0)  in sc27xx_fgu_set_property()
719 		ret = 0;  in sc27xx_fgu_set_property()
724 		ret = 0;  in sc27xx_fgu_set_property()
728 		ret = -EINVAL;  in sc27xx_fgu_set_property()
733 	return ret;  in sc27xx_fgu_set_property()
784 	int ret;  in sc27xx_fgu_adjust_cap()  local
787 	ret = sc27xx_fgu_get_clbcnt(data, &data->init_clbcnt);  in sc27xx_fgu_adjust_cap()
788 	if (ret)  in sc27xx_fgu_adjust_cap()
795 	int ret, ocv, chg_sts, adc;  in sc27xx_fgu_capacity_calibration()  local
797 	ret = sc27xx_fgu_get_vbat_ocv(data, &ocv);  in sc27xx_fgu_capacity_calibration()
798 	if (ret) {  in sc27xx_fgu_capacity_calibration()
803 	ret = sc27xx_fgu_get_status(data, &chg_sts);  in sc27xx_fgu_capacity_calibration()
804 	if (ret) {  in sc27xx_fgu_capacity_calibration()
885 	int ret, cap;  in sc27xx_fgu_interrupt()  local
890 	ret = regmap_read(data->regmap, data->base + SC27XX_FGU_INT_STS,  in sc27xx_fgu_interrupt()
892 	if (ret)  in sc27xx_fgu_interrupt()
895 	ret = regmap_update_bits(data->regmap, data->base + SC27XX_FGU_INT_CLR,  in sc27xx_fgu_interrupt()
897 	if (ret)  in sc27xx_fgu_interrupt()
907 	ret = sc27xx_fgu_get_capacity(data, &cap);  in sc27xx_fgu_interrupt()
908 	if (ret)  in sc27xx_fgu_interrupt()
1003 	int ret, delta_clbcnt, alarm_adc;  in sc27xx_fgu_hw_init()  local
1005 	ret = power_supply_get_battery_info(data->battery, &info);  in sc27xx_fgu_hw_init()
1006 	if (ret) {  in sc27xx_fgu_hw_init()
1008 		return ret;  in sc27xx_fgu_hw_init()
1052 	ret = sc27xx_fgu_calibration(data);  in sc27xx_fgu_hw_init()
1053 	if (ret)  in sc27xx_fgu_hw_init()
1054 		return ret;  in sc27xx_fgu_hw_init()
1057 	ret = regmap_update_bits(data->regmap, SC27XX_MODULE_EN0,  in sc27xx_fgu_hw_init()
1059 	if (ret) {  in sc27xx_fgu_hw_init()
1061 		return ret;  in sc27xx_fgu_hw_init()
1065 	ret = regmap_update_bits(data->regmap, SC27XX_CLK_EN0,  in sc27xx_fgu_hw_init()
1067 	if (ret) {  in sc27xx_fgu_hw_init()
1072 	ret = regmap_update_bits(data->regmap, data->base + SC27XX_FGU_INT_CLR,  in sc27xx_fgu_hw_init()
1074 	if (ret) {  in sc27xx_fgu_hw_init()
1085 	ret = regmap_update_bits(data->regmap, data->base + SC27XX_FGU_LOW_OVERLOAD,  in sc27xx_fgu_hw_init()
1087 	if (ret) {  in sc27xx_fgu_hw_init()
1101 	ret = regmap_update_bits(data->regmap, data->base + SC27XX_FGU_CLBCNT_DELTL,  in sc27xx_fgu_hw_init()
1103 	if (ret) {  in sc27xx_fgu_hw_init()
1108 	ret = regmap_update_bits(data->regmap, data->base + SC27XX_FGU_CLBCNT_DELTH,  in sc27xx_fgu_hw_init()
1111 	if (ret) {  in sc27xx_fgu_hw_init()
1121 	ret = sc27xx_fgu_get_boot_capacity(data, &data->init_cap);  in sc27xx_fgu_hw_init()
1122 	if (ret) {  in sc27xx_fgu_hw_init()
1132 	ret = sc27xx_fgu_set_clbcnt(data, data->init_clbcnt);  in sc27xx_fgu_hw_init()
1133 	if (ret) {  in sc27xx_fgu_hw_init()
1145 	return ret;  in sc27xx_fgu_hw_init()
1154 	int ret, irq;  in sc27xx_fgu_probe()  local
1166 	ret = device_property_read_u32(dev, "reg", &data->base);  in sc27xx_fgu_probe()
1167 	if (ret) {  in sc27xx_fgu_probe()
1169 		return ret;  in sc27xx_fgu_probe()
1172 	ret = device_property_read_u32(&pdev->dev,  in sc27xx_fgu_probe()
1175 	if (ret) {  in sc27xx_fgu_probe()
1178 		return ret;  in sc27xx_fgu_probe()
1199 	ret = gpiod_get_value_cansleep(data->gpiod);  in sc27xx_fgu_probe()
1200 	if (ret < 0) {  in sc27xx_fgu_probe()
1202 		return ret;  in sc27xx_fgu_probe()
1205 	data->bat_present = !!ret;  in sc27xx_fgu_probe()
1219 	ret = sc27xx_fgu_hw_init(data);  in sc27xx_fgu_probe()
1220 	if (ret) {  in sc27xx_fgu_probe()
1222 		return ret;  in sc27xx_fgu_probe()
1225 	ret = devm_add_action_or_reset(dev, sc27xx_fgu_disable, data);  in sc27xx_fgu_probe()
1226 	if (ret) {  in sc27xx_fgu_probe()
1228 		return ret;  in sc27xx_fgu_probe()
1237 	ret = devm_request_threaded_irq(data->dev, irq, NULL,  in sc27xx_fgu_probe()
1241 	if (ret) {  in sc27xx_fgu_probe()
1243 		return ret;  in sc27xx_fgu_probe()
1252 	ret = devm_request_threaded_irq(dev, irq, NULL,  in sc27xx_fgu_probe()
1257 	if (ret) {  in sc27xx_fgu_probe()
1259 		return ret;  in sc27xx_fgu_probe()
1269 	int ret;  in sc27xx_fgu_resume()  local
1271 	ret = regmap_update_bits(data->regmap, data->base + SC27XX_FGU_INT_EN,  in sc27xx_fgu_resume()
1274 	if (ret) {  in sc27xx_fgu_resume()
1276 		return ret;  in sc27xx_fgu_resume()
1285 	int ret, status, ocv;  in sc27xx_fgu_suspend()  local
1287 	ret = sc27xx_fgu_get_status(data, &status);  in sc27xx_fgu_suspend()
1288 	if (ret)  in sc27xx_fgu_suspend()
1289 		return ret;  in sc27xx_fgu_suspend()
1299 	ret = regmap_update_bits(data->regmap, data->base + SC27XX_FGU_INT_EN,  in sc27xx_fgu_suspend()
1302 	if (ret) {  in sc27xx_fgu_suspend()
1304 		return ret;  in sc27xx_fgu_suspend()
1307 	ret = sc27xx_fgu_get_vbat_ocv(data, &ocv);  in sc27xx_fgu_suspend()
1308 	if (ret)  in sc27xx_fgu_suspend()
1317 		ret = regmap_update_bits(data->regmap,  in sc27xx_fgu_suspend()
1321 		if (ret) {  in sc27xx_fgu_suspend()
1333 	return ret;  in sc27xx_fgu_suspend()