162 	int ret, i;  in fuel_gauge_reg_readb()  local
166 		ret = regmap_read(info->regmap, reg, &val);  in fuel_gauge_reg_readb()
167 		if (ret == -EBUSY)  in fuel_gauge_reg_readb()
173 	if (ret < 0)  in fuel_gauge_reg_readb()
174 		dev_err(&info->pdev->dev, "axp288 reg read err:%d\n", ret);  in fuel_gauge_reg_readb()
181 	int ret;  in fuel_gauge_reg_writeb()  local
183 	ret = regmap_write(info->regmap, reg, (unsigned int)val);  in fuel_gauge_reg_writeb()
185 	if (ret < 0)  in fuel_gauge_reg_writeb()
186 		dev_err(&info->pdev->dev, "axp288 reg write err:%d\n", ret);  in fuel_gauge_reg_writeb()
188 	return ret;  in fuel_gauge_reg_writeb()
194 	int ret, val = 0;  in pmic_read_adc_val()  local
199 		ret = PTR_ERR(indio_chan);  in pmic_read_adc_val()
202 	ret = iio_read_channel_raw(indio_chan, &val);  in pmic_read_adc_val()
203 	if (ret < 0) {  in pmic_read_adc_val()
205 			"IIO channel read error: %x, %x\n", ret, val);  in pmic_read_adc_val()
215 	return ret;  in pmic_read_adc_val()
222 	int raw_val, ret;  in fuel_gauge_debug_show()  local
297 	ret = pmic_read_adc_val("axp288-batt-temp", &raw_val, info);  in fuel_gauge_debug_show()
298 	if (ret >= 0)  in fuel_gauge_debug_show()
300 	ret = pmic_read_adc_val("axp288-pmic-temp", &raw_val, info);  in fuel_gauge_debug_show()
301 	if (ret >= 0)  in fuel_gauge_debug_show()
303 	ret = pmic_read_adc_val("axp288-system-temp", &raw_val, info);  in fuel_gauge_debug_show()
304 	if (ret >= 0)  in fuel_gauge_debug_show()
306 	ret = pmic_read_adc_val("axp288-chrg-curr", &raw_val, info);  in fuel_gauge_debug_show()
307 	if (ret >= 0)  in fuel_gauge_debug_show()
309 	ret = pmic_read_adc_val("axp288-chrg-d-curr", &raw_val, info);  in fuel_gauge_debug_show()
310 	if (ret >= 0)  in fuel_gauge_debug_show()
312 	ret = pmic_read_adc_val("axp288-batt-volt", &raw_val, info);  in fuel_gauge_debug_show()
313 	if (ret >= 0)  in fuel_gauge_debug_show()
352 	int pwr_stat, ret;  in fuel_gauge_get_status()  local
361 	ret = pmic_read_adc_val("axp288-chrg-curr", &charge, info);  in fuel_gauge_get_status()
362 	if (ret < 0) {  in fuel_gauge_get_status()
364 			"ADC charge current read failed:%d\n", ret);  in fuel_gauge_get_status()
367 	ret = pmic_read_adc_val("axp288-chrg-d-curr", &discharge, info);  in fuel_gauge_get_status()
368 	if (ret < 0) {  in fuel_gauge_get_status()
370 			"ADC discharge current read failed:%d\n", ret);  in fuel_gauge_get_status()
388 	int ret = 0, raw_val;  in fuel_gauge_get_vbatt()  local
390 	ret = pmic_read_adc_val("axp288-batt-volt", &raw_val, info);  in fuel_gauge_get_vbatt()
391 	if (ret < 0)  in fuel_gauge_get_vbatt()
396 	return ret;  in fuel_gauge_get_vbatt()
401 	int ret, value = 0;  in fuel_gauge_get_current()  local
404 	ret = pmic_read_adc_val("axp288-chrg-curr", &charge, info);  in fuel_gauge_get_current()
405 	if (ret < 0)  in fuel_gauge_get_current()
407 	ret = pmic_read_adc_val("axp288-chrg-d-curr", &discharge, info);  in fuel_gauge_get_current()
408 	if (ret < 0)  in fuel_gauge_get_current()
418 	return ret;  in fuel_gauge_get_current()
423 	int rntc = 0, i, ret, adc_val;  in temp_to_adc()  local
447 	ret = fuel_gauge_reg_readb(info, AXP20X_ADC_RATE);  in temp_to_adc()
448 	if (ret < 0) {  in temp_to_adc()
449 		dev_err(&info->pdev->dev, "%s:read err:%d\n", __func__, ret);  in temp_to_adc()
450 		ret = 0x30;  in temp_to_adc()
458 	adc_val = rntc * (20 + (20 * ((ret >> 4) & 0x3))) / 800;  in temp_to_adc()
465 	int ret, r, i, tval = 0;  in adc_to_temp()  local
469 	ret = fuel_gauge_reg_readb(info, AXP20X_ADC_RATE);  in adc_to_temp()
470 	if (ret < 0) {  in adc_to_temp()
471 		dev_err(&info->pdev->dev, "%s:read err:%d\n", __func__, ret);  in adc_to_temp()
472 		ret = 0x30;  in adc_to_temp()
480 	r = adc_val * 800 / (20 + (20 * ((ret >> 4) & 0x3)));  in adc_to_temp()
505 	int ret, raw_val = 0;  in fuel_gauge_get_btemp()  local
507 	ret = pmic_read_adc_val("axp288-batt-temp", &raw_val, info);  in fuel_gauge_get_btemp()
508 	if (ret < 0)  in fuel_gauge_get_btemp()
514 	return ret;  in fuel_gauge_get_btemp()
519 	int ret, value;  in fuel_gauge_get_vocv()  local
522 	ret = fuel_gauge_reg_readb(info, AXP288_FG_OCVH_REG);  in fuel_gauge_get_vocv()
523 	if (ret < 0)  in fuel_gauge_get_vocv()
525 	value = ret << 4;  in fuel_gauge_get_vocv()
527 	ret = fuel_gauge_reg_readb(info, AXP288_FG_OCVL_REG);  in fuel_gauge_get_vocv()
528 	if (ret < 0)  in fuel_gauge_get_vocv()
530 	value |= (ret & 0xf);  in fuel_gauge_get_vocv()
534 	return ret;  in fuel_gauge_get_vocv()
540 	int ret, health = POWER_SUPPLY_HEALTH_UNKNOWN;  in fuel_gauge_battery_health()  local
542 	ret = fuel_gauge_get_btemp(info, &temp);  in fuel_gauge_battery_health()
543 	if (ret < 0)  in fuel_gauge_battery_health()
546 	ret = fuel_gauge_get_vocv(info, &vocv);  in fuel_gauge_battery_health()
547 	if (ret < 0)  in fuel_gauge_battery_health()
567 	int ret, adc_val;  in fuel_gauge_set_high_btemp_alert()  local
571 	ret = fuel_gauge_reg_writeb(info, AXP20X_V_HTF_DISCHRG, adc_val >> 4);  in fuel_gauge_set_high_btemp_alert()
573 	return ret;  in fuel_gauge_set_high_btemp_alert()
578 	int ret, adc_val;  in fuel_gauge_set_low_btemp_alert()  local
582 	ret = fuel_gauge_reg_writeb(info, AXP20X_V_LTF_DISCHRG, adc_val >> 4);  in fuel_gauge_set_low_btemp_alert()
584 	return ret;  in fuel_gauge_set_low_btemp_alert()
592 	int ret = 0, value;  in fuel_gauge_get_property()  local
604 		ret = fuel_gauge_get_vbatt(info, &value);  in fuel_gauge_get_property()
605 		if (ret < 0)  in fuel_gauge_get_property()
610 		ret = fuel_gauge_get_vocv(info, &value);  in fuel_gauge_get_property()
611 		if (ret < 0)  in fuel_gauge_get_property()
616 		ret = fuel_gauge_get_current(info, &value);  in fuel_gauge_get_property()
617 		if (ret < 0)  in fuel_gauge_get_property()
622 		ret = fuel_gauge_reg_readb(info, AXP20X_PWR_OP_MODE);  in fuel_gauge_get_property()
623 		if (ret < 0)  in fuel_gauge_get_property()
626 		if (ret & CHRG_STAT_BAT_PRESENT)  in fuel_gauge_get_property()
632 		ret = fuel_gauge_reg_readb(info, AXP20X_FG_RES);  in fuel_gauge_get_property()
633 		if (ret < 0)  in fuel_gauge_get_property()
636 		if (!(ret & FG_REP_CAP_VALID))  in fuel_gauge_get_property()
639 		val->intval = (ret & FG_REP_CAP_VAL_MASK);  in fuel_gauge_get_property()
642 		ret = fuel_gauge_reg_readb(info, AXP288_FG_LOW_CAP_REG);  in fuel_gauge_get_property()
643 		if (ret < 0)  in fuel_gauge_get_property()
645 		val->intval = (ret & 0x0f);  in fuel_gauge_get_property()
648 		ret = fuel_gauge_get_btemp(info, &value);  in fuel_gauge_get_property()
649 		if (ret < 0)  in fuel_gauge_get_property()
665 		ret = fuel_gauge_reg_readb(info, AXP288_FG_CC_MTR1_REG);  in fuel_gauge_get_property()
666 		if (ret < 0)  in fuel_gauge_get_property()
669 		value = (ret & FG_CC_MTR1_VAL_MASK) << 8;  in fuel_gauge_get_property()
670 		ret = fuel_gauge_reg_readb(info, AXP288_FG_CC_MTR0_REG);  in fuel_gauge_get_property()
671 		if (ret < 0)  in fuel_gauge_get_property()
673 		value |= (ret & FG_CC_MTR0_VAL_MASK);  in fuel_gauge_get_property()
677 		ret = fuel_gauge_reg_readb(info, AXP288_FG_DES_CAP1_REG);  in fuel_gauge_get_property()
678 		if (ret < 0)  in fuel_gauge_get_property()
681 		value = (ret & FG_DES_CAP1_VAL_MASK) << 8;  in fuel_gauge_get_property()
682 		ret = fuel_gauge_reg_readb(info, AXP288_FG_DES_CAP0_REG);  in fuel_gauge_get_property()
683 		if (ret < 0)  in fuel_gauge_get_property()
685 		value |= (ret & FG_DES_CAP0_VAL_MASK);  in fuel_gauge_get_property()
710 	return ret;  in fuel_gauge_get_property()
718 	int ret = 0;  in fuel_gauge_set_property()  local
729 			ret = -EINVAL;  in fuel_gauge_set_property()
733 		ret = fuel_gauge_set_low_btemp_alert(info);  in fuel_gauge_set_property()
734 		if (ret < 0)  in fuel_gauge_set_property()
736 				"temp alert min set fail:%d\n", ret);  in fuel_gauge_set_property()
742 			ret = -EINVAL;  in fuel_gauge_set_property()
746 		ret = fuel_gauge_set_high_btemp_alert(info);  in fuel_gauge_set_property()
747 		if (ret < 0)  in fuel_gauge_set_property()
749 				"temp alert max set fail:%d\n", ret);  in fuel_gauge_set_property()
753 			ret = -EINVAL;  in fuel_gauge_set_property()
756 		ret = fuel_gauge_reg_readb(info, AXP288_FG_LOW_CAP_REG);  in fuel_gauge_set_property()
757 		if (ret < 0)  in fuel_gauge_set_property()
759 		ret &= 0xf0;  in fuel_gauge_set_property()
760 		ret |= (val->intval & 0xf);  in fuel_gauge_set_property()
761 		ret = fuel_gauge_reg_writeb(info, AXP288_FG_LOW_CAP_REG, ret);  in fuel_gauge_set_property()
764 		ret = -EINVAL;  in fuel_gauge_set_property()
769 	return ret;  in fuel_gauge_set_property()
775 	int ret;  in fuel_gauge_property_is_writeable()  local
784 		ret = 1;  in fuel_gauge_property_is_writeable()
787 		ret = 0;  in fuel_gauge_property_is_writeable()
790 	return ret;  in fuel_gauge_property_is_writeable()
869 	int ret;  in fuel_gauge_set_lowbatt_thresholds()  local
872 	ret = fuel_gauge_reg_readb(info, AXP20X_FG_RES);  in fuel_gauge_set_lowbatt_thresholds()
873 	if (ret < 0) {  in fuel_gauge_set_lowbatt_thresholds()
874 		dev_err(&info->pdev->dev, "%s:read err:%d\n", __func__, ret);  in fuel_gauge_set_lowbatt_thresholds()
875 		return ret;  in fuel_gauge_set_lowbatt_thresholds()
877 	ret = (ret & FG_REP_CAP_VAL_MASK);  in fuel_gauge_set_lowbatt_thresholds()
879 	if (ret > FG_LOW_CAP_WARN_THR)  in fuel_gauge_set_lowbatt_thresholds()
881 	else if (ret > FG_LOW_CAP_CRIT_THR)  in fuel_gauge_set_lowbatt_thresholds()
887 	ret = fuel_gauge_reg_writeb(info, AXP288_FG_LOW_CAP_REG, reg_val);  in fuel_gauge_set_lowbatt_thresholds()
888 	if (ret < 0)  in fuel_gauge_set_lowbatt_thresholds()
889 		dev_err(&info->pdev->dev, "%s:write err:%d\n", __func__, ret);  in fuel_gauge_set_lowbatt_thresholds()
891 	return ret;  in fuel_gauge_set_lowbatt_thresholds()
896 	int ret;  in fuel_gauge_program_vbatt_full()  local
899 	ret = fuel_gauge_reg_readb(info, AXP20X_CHRG_CTRL1);  in fuel_gauge_program_vbatt_full()
900 	if (ret < 0)  in fuel_gauge_program_vbatt_full()
903 		val = (ret & ~CHRG_CCCV_CV_MASK);  in fuel_gauge_program_vbatt_full()
923 	ret = fuel_gauge_reg_writeb(info, AXP20X_CHRG_CTRL1, val);  in fuel_gauge_program_vbatt_full()
925 	return ret;  in fuel_gauge_program_vbatt_full()
930 	int ret;  in fuel_gauge_program_design_cap()  local
932 	ret = fuel_gauge_reg_writeb(info,  in fuel_gauge_program_design_cap()
934 	if (ret < 0)  in fuel_gauge_program_design_cap()
937 	ret = fuel_gauge_reg_writeb(info,  in fuel_gauge_program_design_cap()
941 	return ret;  in fuel_gauge_program_design_cap()
946 	int ret = 0, i;  in fuel_gauge_program_ocv_curve()  local
949 		ret = fuel_gauge_reg_writeb(info,  in fuel_gauge_program_ocv_curve()
951 		if (ret < 0)  in fuel_gauge_program_ocv_curve()
956 	return ret;  in fuel_gauge_program_ocv_curve()
961 	int ret;  in fuel_gauge_program_rdc_vals()  local
963 	ret = fuel_gauge_reg_writeb(info,  in fuel_gauge_program_rdc_vals()
965 	if (ret < 0)  in fuel_gauge_program_rdc_vals()
968 	ret = fuel_gauge_reg_writeb(info,  in fuel_gauge_program_rdc_vals()
972 	return ret;  in fuel_gauge_program_rdc_vals()
977 	int ret;  in fuel_gauge_init_config_regs()  local
984 	ret = fuel_gauge_reg_readb(info, AXP288_FG_DES_CAP1_REG);  in fuel_gauge_init_config_regs()
985 	if (ret < 0) {  in fuel_gauge_init_config_regs()
987 	} else if (!(ret & FG_DES_CAP1_VALID)) {  in fuel_gauge_init_config_regs()
994 	ret = fuel_gauge_program_vbatt_full(info);  in fuel_gauge_init_config_regs()
995 	if (ret < 0)  in fuel_gauge_init_config_regs()
996 		dev_err(&info->pdev->dev, "set vbatt full fail:%d\n", ret);  in fuel_gauge_init_config_regs()
998 	ret = fuel_gauge_program_design_cap(info);  in fuel_gauge_init_config_regs()
999 	if (ret < 0)  in fuel_gauge_init_config_regs()
1000 		dev_err(&info->pdev->dev, "set design cap fail:%d\n", ret);  in fuel_gauge_init_config_regs()
1002 	ret = fuel_gauge_program_rdc_vals(info);  in fuel_gauge_init_config_regs()
1003 	if (ret < 0)  in fuel_gauge_init_config_regs()
1004 		dev_err(&info->pdev->dev, "set rdc fail:%d\n", ret);  in fuel_gauge_init_config_regs()
1006 	ret = fuel_gauge_program_ocv_curve(info);  in fuel_gauge_init_config_regs()
1007 	if (ret < 0)  in fuel_gauge_init_config_regs()
1008 		dev_err(&info->pdev->dev, "set ocv curve fail:%d\n", ret);  in fuel_gauge_init_config_regs()
1010 	ret = fuel_gauge_set_lowbatt_thresholds(info);  in fuel_gauge_init_config_regs()
1011 	if (ret < 0)  in fuel_gauge_init_config_regs()
1012 		dev_err(&info->pdev->dev, "lowbatt thr set fail:%d\n", ret);  in fuel_gauge_init_config_regs()
1014 	ret = fuel_gauge_reg_writeb(info, AXP20X_CC_CTRL, 0xef);  in fuel_gauge_init_config_regs()
1015 	if (ret < 0)  in fuel_gauge_init_config_regs()
1016 		dev_err(&info->pdev->dev, "gauge cntl set fail:%d\n", ret);  in fuel_gauge_init_config_regs()
1021 	int ret, i, pirq;  in fuel_gauge_init_irq()  local
1033 		ret = request_threaded_irq(info->irq[i],  in fuel_gauge_init_irq()
1036 		if (ret) {  in fuel_gauge_init_irq()
1058 	int ret;  in fuel_gauge_init_hw_regs()  local
1061 	ret = fuel_gauge_set_high_btemp_alert(info);  in fuel_gauge_init_hw_regs()
1062 	if (ret < 0)  in fuel_gauge_init_hw_regs()
1063 		dev_err(&info->pdev->dev, "high batt temp set fail:%d\n", ret);  in fuel_gauge_init_hw_regs()
1065 	ret = fuel_gauge_set_low_btemp_alert(info);  in fuel_gauge_init_hw_regs()
1066 	if (ret < 0)  in fuel_gauge_init_hw_regs()
1067 		dev_err(&info->pdev->dev, "low batt temp set fail:%d\n", ret);  in fuel_gauge_init_hw_regs()
1081 	int ret = 0;  in axp288_fuel_gauge_probe()  local
1106 		ret = PTR_ERR(info->bat);  in axp288_fuel_gauge_probe()
1107 		dev_err(&pdev->dev, "failed to register battery: %d\n", ret);  in axp288_fuel_gauge_probe()
1108 		return ret;  in axp288_fuel_gauge_probe()
1117 	return ret;  in axp288_fuel_gauge_probe()