200 	int ret;  in bq2415x_i2c_read()  local
215 	ret = i2c_transfer(client->adapter, msg, ARRAY_SIZE(msg));  in bq2415x_i2c_read()
218 	if (ret < 0)  in bq2415x_i2c_read()
219 		return ret;  in bq2415x_i2c_read()
228 	int ret;  in bq2415x_i2c_read_mask()  local
233 	ret = bq2415x_i2c_read(bq, reg);  in bq2415x_i2c_read_mask()
234 	if (ret < 0)  in bq2415x_i2c_read_mask()
235 		return ret;  in bq2415x_i2c_read_mask()
236 	return (ret & mask) >> shift;  in bq2415x_i2c_read_mask()
255 	int ret;  in bq2415x_i2c_write()  local
266 	ret = i2c_transfer(client->adapter, msg, ARRAY_SIZE(msg));  in bq2415x_i2c_write()
270 	if (ret < 0)  in bq2415x_i2c_write()
271 		return ret;  in bq2415x_i2c_write()
272 	else if (ret != 1)  in bq2415x_i2c_write()
282 	int ret;  in bq2415x_i2c_write_mask()  local
287 	ret = bq2415x_i2c_read(bq, reg);  in bq2415x_i2c_write_mask()
288 	if (ret < 0)  in bq2415x_i2c_write_mask()
289 		return ret;  in bq2415x_i2c_write_mask()
291 	ret &= ~mask;  in bq2415x_i2c_write_mask()
292 	ret |= val << shift;  in bq2415x_i2c_write_mask()
294 	return bq2415x_i2c_write(bq, reg, ret);  in bq2415x_i2c_write_mask()
312 	int ret;  in bq2415x_exec_command()  local
350 		ret = bq2415x_i2c_read_bit(bq, BQ2415X_REG_CONTROL,  in bq2415x_exec_command()
352 		if (ret < 0)  in bq2415x_exec_command()
353 			return ret;  in bq2415x_exec_command()
354 		return ret > 0 ? 0 : 1;  in bq2415x_exec_command()
416 	int ret = bq2415x_exec_command(bq, BQ2415X_PART_NUMBER);  in bq2415x_detect_chip()  local
418 	if (ret < 0)  in bq2415x_detect_chip()
419 		return ret;  in bq2415x_detect_chip()
423 		switch (ret) {  in bq2415x_detect_chip()
444 		switch (ret) {  in bq2415x_detect_chip()
465 	int ret = bq2415x_exec_command(bq, BQ2415X_REVISION);  in bq2415x_detect_revision()  local
468 	if (ret < 0 || chip < 0)  in bq2415x_detect_revision()
477 		if (ret >= 0 && ret <= 3)  in bq2415x_detect_revision()
478 			return ret;  in bq2415x_detect_revision()
486 		if (ret == 3)  in bq2415x_detect_revision()
488 		else if (ret == 1)  in bq2415x_detect_revision()
492 		if (ret == 3)  in bq2415x_detect_revision()
505 	int ret;  in bq2415x_get_vender_code()  local
507 	ret = bq2415x_exec_command(bq, BQ2415X_VENDER_CODE);  in bq2415x_get_vender_code()
508 	if (ret < 0)  in bq2415x_get_vender_code()
512 	return (ret & 0x1) +  in bq2415x_get_vender_code()
513 	       ((ret >> 1) & 0x1) * 10 +  in bq2415x_get_vender_code()
514 	       ((ret >> 2) & 0x1) * 100;  in bq2415x_get_vender_code()
550 	int ret;  in bq2415x_get_current_limit()  local
552 	ret = bq2415x_i2c_read_mask(bq, BQ2415X_REG_CONTROL,  in bq2415x_get_current_limit()
554 	if (ret < 0)  in bq2415x_get_current_limit()
555 		return ret;  in bq2415x_get_current_limit()
556 	else if (ret == 0)  in bq2415x_get_current_limit()
558 	else if (ret == 1)  in bq2415x_get_current_limit()
560 	else if (ret == 2)  in bq2415x_get_current_limit()
562 	else if (ret == 3)  in bq2415x_get_current_limit()
589 	int ret;  in bq2415x_get_weak_battery_voltage()  local
591 	ret = bq2415x_i2c_read_mask(bq, BQ2415X_REG_CONTROL,  in bq2415x_get_weak_battery_voltage()
593 	if (ret < 0)  in bq2415x_get_weak_battery_voltage()
594 		return ret;  in bq2415x_get_weak_battery_voltage()
595 	return 100 * (34 + ret);  in bq2415x_get_weak_battery_voltage()
620 	int ret = bq2415x_i2c_read_mask(bq, BQ2415X_REG_VOLTAGE,  in bq2415x_get_battery_regulation_voltage()  local
623 	if (ret < 0)  in bq2415x_get_battery_regulation_voltage()
624 		return ret;  in bq2415x_get_battery_regulation_voltage()
625 	return 10 * (350 + 2*ret);  in bq2415x_get_battery_regulation_voltage()
650 	int ret;  in bq2415x_get_charge_current()  local
655 	ret = bq2415x_i2c_read_mask(bq, BQ2415X_REG_CURRENT,  in bq2415x_get_charge_current()
657 	if (ret < 0)  in bq2415x_get_charge_current()
658 		return ret;  in bq2415x_get_charge_current()
659 	return (37400 + 6800*ret) / bq->init_data.resistor_sense;  in bq2415x_get_charge_current()
684 	int ret;  in bq2415x_get_termination_current()  local
689 	ret = bq2415x_i2c_read_mask(bq, BQ2415X_REG_CURRENT,  in bq2415x_get_termination_current()
691 	if (ret < 0)  in bq2415x_get_termination_current()
692 		return ret;  in bq2415x_get_termination_current()
693 	return (3400 + 3400*ret) / bq->init_data.resistor_sense;  in bq2415x_get_termination_current()
699 		int ret = 0; \
701 			ret = bq2415x_set_##prop(bq, bq->init_data.prop); \
702 		if (ret < 0) \
703 			return ret; \
732 	int ret = 0;  in bq2415x_set_mode()  local
742 		ret = bq2415x_exec_command(bq, BQ2415X_CHARGER_DISABLE);  in bq2415x_set_mode()
745 		ret = bq2415x_exec_command(bq, BQ2415X_BOOST_MODE_DISABLE);  in bq2415x_set_mode()
747 	if (ret < 0)  in bq2415x_set_mode()
748 		return ret;  in bq2415x_set_mode()
753 		ret = bq2415x_set_current_limit(bq, 100);  in bq2415x_set_mode()
757 		ret = bq2415x_set_current_limit(bq, 100);  in bq2415x_set_mode()
761 		ret = bq2415x_set_current_limit(bq, 500);  in bq2415x_set_mode()
765 		ret = bq2415x_set_current_limit(bq, 1800);  in bq2415x_set_mode()
769 		ret = bq2415x_set_current_limit(bq, 100);  in bq2415x_set_mode()
773 	if (ret < 0)  in bq2415x_set_mode()
774 		return ret;  in bq2415x_set_mode()
777 		ret = bq2415x_exec_command(bq, BQ2415X_CHARGER_ENABLE);  in bq2415x_set_mode()
779 		ret = bq2415x_exec_command(bq, BQ2415X_BOOST_MODE_ENABLE);  in bq2415x_set_mode()
781 	if (ret < 0)  in bq2415x_set_mode()
782 		return ret;  in bq2415x_set_mode()
802 	int ret;  in bq2415x_notifier_call()  local
813 	ret = power_supply_get_property(psy, POWER_SUPPLY_PROP_CURRENT_MAX,  in bq2415x_notifier_call()
815 	if (ret != 0)  in bq2415x_notifier_call()
885 	int ret;  in bq2415x_timer_work()  local
897 	ret = bq2415x_exec_command(bq, BQ2415X_TIMER_RESET);  in bq2415x_timer_work()
898 	if (ret < 0) {  in bq2415x_timer_work()
997 	int ret;  in bq2415x_power_supply_get_property()  local
1001 		ret = bq2415x_exec_command(bq, BQ2415X_CHARGE_STATUS);  in bq2415x_power_supply_get_property()
1002 		if (ret < 0)  in bq2415x_power_supply_get_property()
1003 			return ret;  in bq2415x_power_supply_get_property()
1004 		else if (ret == 0) /* Ready */  in bq2415x_power_supply_get_property()
1006 		else if (ret == 1) /* Charge in progress */  in bq2415x_power_supply_get_property()
1008 		else if (ret == 2) /* Charge done */  in bq2415x_power_supply_get_property()
1024 	int ret;  in bq2415x_power_supply_init()  local
1036 	ret = bq2415x_detect_chip(bq);  in bq2415x_power_supply_init()
1037 	if (ret < 0)  in bq2415x_power_supply_init()
1040 		chip = ret;  in bq2415x_power_supply_init()
1042 	ret = bq2415x_detect_revision(bq);  in bq2415x_power_supply_init()
1043 	if (ret < 0)  in bq2415x_power_supply_init()
1046 		sprintf(revstr, "1.%d", ret);  in bq2415x_power_supply_init()
1087 	int ret;  in bq2415x_sysfs_show_status()  local
1100 	ret = bq2415x_exec_command(bq, command);  in bq2415x_sysfs_show_status()
1101 	if (ret < 0)  in bq2415x_sysfs_show_status()
1102 		return ret;  in bq2415x_sysfs_show_status()
1103 	return sprintf(buf, "%d\n", ret);  in bq2415x_sysfs_show_status()
1119 	int ret = 0;  in bq2415x_sysfs_set_timer()  local
1126 		ret = bq2415x_exec_command(bq, BQ2415X_TIMER_RESET);  in bq2415x_sysfs_set_timer()
1128 	if (ret < 0)  in bq2415x_sysfs_set_timer()
1129 		return ret;  in bq2415x_sysfs_set_timer()
1165 	int ret = 0;  in bq2415x_sysfs_set_mode()  local
1203 	ret = bq2415x_set_mode(bq, mode);  in bq2415x_sysfs_set_mode()
1204 	if (ret < 0)  in bq2415x_sysfs_set_mode()
1205 		return ret;  in bq2415x_sysfs_set_mode()
1216 	ssize_t ret = 0;  in bq2415x_sysfs_show_mode()  local
1219 		ret += sprintf(buf+ret, "auto (");  in bq2415x_sysfs_show_mode()
1223 		ret += sprintf(buf+ret, "off");  in bq2415x_sysfs_show_mode()
1226 		ret += sprintf(buf+ret, "none");  in bq2415x_sysfs_show_mode()
1229 		ret += sprintf(buf+ret, "host");  in bq2415x_sysfs_show_mode()
1232 		ret += sprintf(buf+ret, "dedicated");  in bq2415x_sysfs_show_mode()
1235 		ret += sprintf(buf+ret, "boost");  in bq2415x_sysfs_show_mode()
1240 		ret += sprintf(buf+ret, ")");  in bq2415x_sysfs_show_mode()
1242 	ret += sprintf(buf+ret, "\n");  in bq2415x_sysfs_show_mode()
1243 	return ret;  in bq2415x_sysfs_show_mode()
1281 	ssize_t ret = 0;  in bq2415x_sysfs_set_registers()  local
1291 	ret = bq2415x_i2c_write(bq, reg, val);  in bq2415x_sysfs_set_registers()
1292 	if (ret < 0)  in bq2415x_sysfs_set_registers()
1293 		return ret;  in bq2415x_sysfs_set_registers()
1302 	int ret = bq2415x_i2c_read(bq, reg);  in bq2415x_sysfs_print_reg()  local
1304 	if (ret < 0)  in bq2415x_sysfs_print_reg()
1305 		return sprintf(buf, "%#.2x=error %d\n", reg, ret);  in bq2415x_sysfs_print_reg()
1306 	return sprintf(buf, "%#.2x=%#.2x\n", reg, ret);  in bq2415x_sysfs_print_reg()
1316 	ssize_t ret = 0;  in bq2415x_sysfs_show_registers()  local
1318 	ret += bq2415x_sysfs_print_reg(bq, BQ2415X_REG_STATUS, buf+ret);  in bq2415x_sysfs_show_registers()
1319 	ret += bq2415x_sysfs_print_reg(bq, BQ2415X_REG_CONTROL, buf+ret);  in bq2415x_sysfs_show_registers()
1320 	ret += bq2415x_sysfs_print_reg(bq, BQ2415X_REG_VOLTAGE, buf+ret);  in bq2415x_sysfs_show_registers()
1321 	ret += bq2415x_sysfs_print_reg(bq, BQ2415X_REG_VENDER, buf+ret);  in bq2415x_sysfs_show_registers()
1322 	ret += bq2415x_sysfs_print_reg(bq, BQ2415X_REG_CURRENT, buf+ret);  in bq2415x_sysfs_show_registers()
1323 	return ret;  in bq2415x_sysfs_show_registers()
1335 	int ret;  in bq2415x_sysfs_set_limit()  local
1341 		ret = bq2415x_set_current_limit(bq, val);  in bq2415x_sysfs_set_limit()
1343 		ret = bq2415x_set_weak_battery_voltage(bq, val);  in bq2415x_sysfs_set_limit()
1345 		ret = bq2415x_set_battery_regulation_voltage(bq, val);  in bq2415x_sysfs_set_limit()
1347 		ret = bq2415x_set_charge_current(bq, val);  in bq2415x_sysfs_set_limit()
1349 		ret = bq2415x_set_termination_current(bq, val);  in bq2415x_sysfs_set_limit()
1353 	if (ret < 0)  in bq2415x_sysfs_set_limit()
1354 		return ret;  in bq2415x_sysfs_set_limit()
1365 	int ret;  in bq2415x_sysfs_show_limit()  local
1368 		ret = bq2415x_get_current_limit(bq);  in bq2415x_sysfs_show_limit()
1370 		ret = bq2415x_get_weak_battery_voltage(bq);  in bq2415x_sysfs_show_limit()
1372 		ret = bq2415x_get_battery_regulation_voltage(bq);  in bq2415x_sysfs_show_limit()
1374 		ret = bq2415x_get_charge_current(bq);  in bq2415x_sysfs_show_limit()
1376 		ret = bq2415x_get_termination_current(bq);  in bq2415x_sysfs_show_limit()
1380 	if (ret < 0)  in bq2415x_sysfs_show_limit()
1381 		return ret;  in bq2415x_sysfs_show_limit()
1382 	return sprintf(buf, "%d\n", ret);  in bq2415x_sysfs_show_limit()
1395 	int ret;  in bq2415x_sysfs_set_enable()  local
1415 	ret = bq2415x_exec_command(bq, command);  in bq2415x_sysfs_set_enable()
1416 	if (ret < 0)  in bq2415x_sysfs_set_enable()
1417 		return ret;  in bq2415x_sysfs_set_enable()
1429 	int ret;  in bq2415x_sysfs_show_enable()  local
1442 	ret = bq2415x_exec_command(bq, command);  in bq2415x_sysfs_show_enable()
1443 	if (ret < 0)  in bq2415x_sysfs_show_enable()
1444 		return ret;  in bq2415x_sysfs_show_enable()
1445 	return sprintf(buf, "%d\n", ret);  in bq2415x_sysfs_show_enable()
1531 	int ret;  in bq2415x_probe()  local
1553 		ret = -ENOMEM;  in bq2415x_probe()
1560 		ret = -ENOMEM;  in bq2415x_probe()
1573 			ret = -EPROBE_DEFER;  in bq2415x_probe()
1594 		ret = of_property_read_u32(np, "ti,current-limit",  in bq2415x_probe()
1596 		if (ret)  in bq2415x_probe()
1598 		ret = of_property_read_u32(np, "ti,weak-battery-voltage",  in bq2415x_probe()
1600 		if (ret)  in bq2415x_probe()
1602 		ret = of_property_read_u32(np, "ti,battery-regulation-voltage",  in bq2415x_probe()
1604 		if (ret)  in bq2415x_probe()
1606 		ret = of_property_read_u32(np, "ti,charge-current",  in bq2415x_probe()
1608 		if (ret)  in bq2415x_probe()
1610 		ret = of_property_read_u32(np, "ti,termination-current",  in bq2415x_probe()
1612 		if (ret)  in bq2415x_probe()
1614 		ret = of_property_read_u32(np, "ti,resistor-sense",  in bq2415x_probe()
1616 		if (ret)  in bq2415x_probe()
1624 	ret = bq2415x_power_supply_init(bq);  in bq2415x_probe()
1625 	if (ret) {  in bq2415x_probe()
1626 		dev_err(bq->dev, "failed to register power supply: %d\n", ret);  in bq2415x_probe()
1630 	ret = bq2415x_sysfs_init(bq);  in bq2415x_probe()
1631 	if (ret) {  in bq2415x_probe()
1632 		dev_err(bq->dev, "failed to create sysfs entries: %d\n", ret);  in bq2415x_probe()
1636 	ret = bq2415x_set_defaults(bq);  in bq2415x_probe()
1637 	if (ret) {  in bq2415x_probe()
1638 		dev_err(bq->dev, "failed to set default values: %d\n", ret);  in bq2415x_probe()
1644 		ret = power_supply_reg_notifier(&bq->nb);  in bq2415x_probe()
1645 		if (ret) {  in bq2415x_probe()
1646 			dev_err(bq->dev, "failed to reg notifier: %d\n", ret);  in bq2415x_probe()
1682 	return ret;  in bq2415x_probe()