power/supply/sc27xx_fuel_gauge.c

154 	int ret, status, cap, mode;
156 	ret = regmap_read(data->regmap,
158 	if (ret)
182 	int ret;
184 	ret = regmap_update_bits(data->regmap,
188 	if (ret)
189 		return ret;
199 	ret = regmap_update_bits(data->regmap,
203 	if (ret)
204 		return ret;
226 	int ret;
228 	ret = regmap_update_bits(data->regmap,
232 	if (ret)
233 		return ret;
243 	ret = regmap_update_bits(data->regmap,
246 	if (ret)
247 		return ret;
269 	int ret, value;
271 	ret = regmap_read(data->regmap,
273 	if (ret)
274 		return ret;
288 	int volt, cur, oci, ocv, ret;
297 		ret = sc27xx_fgu_read_last_cap(data, cap);
298 		if (ret)
299 			return ret;
308 	ret = regmap_read(data->regmap, data->base + SC27XX_FGU_CLBCNT_QMAXL,
310 	if (ret)
311 		return ret;
321 	ret = regmap_read(data->regmap, data->base + SC27XX_FGU_POCV, &volt);
322 	if (ret)
323 		return ret;
336 	ret = sc27xx_fgu_save_last_cap(data, *cap);
337 	if (ret)
338 		return ret;
345 	int ret;
347 	ret = regmap_update_bits(data->regmap,
350 	if (ret)
351 		return ret;
353 	ret = regmap_update_bits(data->regmap,
357 	if (ret)
358 		return ret;
367 	int ccl, cch, ret;
369 	ret = regmap_read(data->regmap, data->base + SC27XX_FGU_CLBCNT_VALL,
371 	if (ret)
372 		return ret;
374 	ret = regmap_read(data->regmap, data->base + SC27XX_FGU_CLBCNT_VALH,
376 	if (ret)
377 		return ret;
387 	int ret;
390 	ret = regmap_read(data->regmap, data->base + SC27XX_FGU_VOLTAGE_BUF,
392 	if (ret)
393 		return ret;
406 	int ret;
409 	ret = regmap_read(data->regmap, data->base + SC27XX_FGU_CURRENT_BUF,
411 	if (ret)
412 		return ret;
425 	int ret, cur_clbcnt, delta_clbcnt, delta_cap, temp;
428 	ret = sc27xx_fgu_get_clbcnt(data, &cur_clbcnt);
429 	if (ret)
430 		return ret;
456 	int ret, vol;
458 	ret = regmap_read(data->regmap, data->base + SC27XX_FGU_VOLTAGE, &vol);
459 	if (ret)
460 		return ret;
473 	int ret, cur;
475 	ret = regmap_read(data->regmap, data->base + SC27XX_FGU_CURRENT, &cur);
476 	if (ret)
477 		return ret;
490 	int vol, cur, ret, temp, resistance;
492 	ret = sc27xx_fgu_get_vbat_vol(data, &vol);
493 	if (ret)
494 		return ret;
496 	ret = sc27xx_fgu_get_current(data, &cur);
497 	if (ret)
498 		return ret;
502 		ret = sc27xx_fgu_get_temp(data, &temp);
503 		if (ret)
504 			return ret;
519 	int ret, vol;
521 	ret = iio_read_channel_processed(data->charge_chan, &vol);
522 	if (ret < 0)
523 		return ret;
536 	int ret, vol;
538 	ret = sc27xx_fgu_get_vbat_vol(data, &vol);
539 	if (ret)
540 		return ret;
554 	int i, ret = -EINVAL;
561 		ret = power_supply_get_property(psy, POWER_SUPPLY_PROP_STATUS,
564 		if (ret)
565 			return ret;
570 	return ret;
578 	int ret = 0;
585 		ret = sc27xx_fgu_get_status(data, &value);
586 		if (ret)
593 		ret = sc27xx_fgu_get_health(data, &value);
594 		if (ret)
605 		ret = sc27xx_fgu_get_temp(data, &value);
606 		if (ret)
617 		ret = sc27xx_fgu_get_capacity(data, &value);
618 		if (ret)
625 		ret = sc27xx_fgu_get_vbat_vol(data, &value);
626 		if (ret)
633 		ret = sc27xx_fgu_get_vbat_ocv(data, &value);
634 		if (ret)
641 		ret = sc27xx_fgu_get_charge_vol(data, &value);
642 		if (ret)
649 		ret = sc27xx_fgu_get_current(data, &value);
650 		if (ret)
661 		ret = sc27xx_fgu_get_clbcnt(data, &value);
662 		if (ret)
672 		ret = sc27xx_fgu_get_vol_now(data, &value);
673 		if (ret)
680 		ret = sc27xx_fgu_get_cur_now(data, &value);
681 		if (ret)
692 		ret = -EINVAL;
698 	return ret;
706 	int ret;
712 		ret = sc27xx_fgu_save_last_cap(data, val->intval);
713 		if (ret < 0)
719 		ret = 0;
724 		ret = 0;
728 		ret = -EINVAL;
733 	return ret;
777 	int ret;
780 	ret = sc27xx_fgu_get_clbcnt(data, &data->init_clbcnt);
781 	if (ret)
788 	int ret, ocv, chg_sts, adc;
790 	ret = sc27xx_fgu_get_vbat_ocv(data, &ocv);
791 	if (ret) {
796 	ret = sc27xx_fgu_get_status(data, &chg_sts);
797 	if (ret) {
878 	int ret, cap;
883 	ret = regmap_read(data->regmap, data->base + SC27XX_FGU_INT_STS,
885 	if (ret)
888 	ret = regmap_update_bits(data->regmap, data->base + SC27XX_FGU_INT_CLR,
890 	if (ret)
900 	ret = sc27xx_fgu_get_capacity(data, &cap);
901 	if (ret)
996 	int ret, delta_clbcnt, alarm_adc;
998 	ret = power_supply_get_battery_info(data->battery, &info);
999 	if (ret) {
1001 		return ret;
1045 	ret = sc27xx_fgu_calibration(data);
1046 	if (ret)
1047 		return ret;
1050 	ret = regmap_update_bits(data->regmap, SC27XX_MODULE_EN0,
1052 	if (ret) {
1054 		return ret;
1058 	ret = regmap_update_bits(data->regmap, SC27XX_CLK_EN0,
1060 	if (ret) {
1065 	ret = regmap_update_bits(data->regmap, data->base + SC27XX_FGU_INT_CLR,
1067 	if (ret) {
1078 	ret = regmap_update_bits(data->regmap, data->base + SC27XX_FGU_LOW_OVERLOAD,
1080 	if (ret) {
1094 	ret = regmap_update_bits(data->regmap, data->base + SC27XX_FGU_CLBCNT_DELTL,
1096 	if (ret) {
1101 	ret = regmap_update_bits(data->regmap, data->base + SC27XX_FGU_CLBCNT_DELTH,
1104 	if (ret) {
1114 	ret = sc27xx_fgu_get_boot_capacity(data, &data->init_cap);
1115 	if (ret) {
1125 	ret = sc27xx_fgu_set_clbcnt(data, data->init_clbcnt);
1126 	if (ret) {
1138 	return ret;
1147 	int ret, irq;
1159 	ret = device_property_read_u32(dev, "reg", &data->base);
1160 	if (ret) {
1162 		return ret;
1165 	ret = device_property_read_u32(&pdev->dev,
1168 	if (ret) {
1171 		return ret;
1192 	ret = gpiod_get_value_cansleep(data->gpiod);
1193 	if (ret < 0) {
1195 		return ret;
1198 	data->bat_present = !!ret;
1212 	ret = sc27xx_fgu_hw_init(data);
1213 	if (ret) {
1215 		return ret;
1218 	ret = devm_add_action_or_reset(dev, sc27xx_fgu_disable, data);
1219 	if (ret) {
1221 		return ret;
1228 	ret = devm_request_threaded_irq(data->dev, irq, NULL,
1232 	if (ret) {
1234 		return ret;
1243 	ret = devm_request_threaded_irq(dev, irq, NULL,
1248 	if (ret) {
1250 		return ret;
1260 	int ret;
1262 	ret = regmap_update_bits(data->regmap, data->base + SC27XX_FGU_INT_EN,
1265 	if (ret) {
1267 		return ret;
1276 	int ret, status, ocv;
1278 	ret = sc27xx_fgu_get_status(data, &status);
1279 	if (ret)
1280 		return ret;
1290 	ret = regmap_update_bits(data->regmap, data->base + SC27XX_FGU_INT_EN,
1293 	if (ret) {
1295 		return ret;
1298 	ret = sc27xx_fgu_get_vbat_ocv(data, &ocv);
1299 	if (ret)
1308 		ret = regmap_update_bits(data->regmap,
1312 		if (ret) {
1324 	return ret;