201 	int ret;  in bq2415x_i2c_read()  local
216 	ret = i2c_transfer(client->adapter, msg, ARRAY_SIZE(msg));  in bq2415x_i2c_read()
219 	if (ret < 0)  in bq2415x_i2c_read()
220 		return ret;  in bq2415x_i2c_read()
229 	int ret;  in bq2415x_i2c_read_mask()  local
234 	ret = bq2415x_i2c_read(bq, reg);  in bq2415x_i2c_read_mask()
235 	if (ret < 0)  in bq2415x_i2c_read_mask()
236 		return ret;  in bq2415x_i2c_read_mask()
237 	return (ret & mask) >> shift;  in bq2415x_i2c_read_mask()
256 	int ret;  in bq2415x_i2c_write()  local
267 	ret = i2c_transfer(client->adapter, msg, ARRAY_SIZE(msg));  in bq2415x_i2c_write()
271 	if (ret < 0)  in bq2415x_i2c_write()
272 		return ret;  in bq2415x_i2c_write()
273 	else if (ret != 1)  in bq2415x_i2c_write()
283 	int ret;  in bq2415x_i2c_write_mask()  local
288 	ret = bq2415x_i2c_read(bq, reg);  in bq2415x_i2c_write_mask()
289 	if (ret < 0)  in bq2415x_i2c_write_mask()
290 		return ret;  in bq2415x_i2c_write_mask()
292 	ret &= ~mask;  in bq2415x_i2c_write_mask()
293 	ret |= val << shift;  in bq2415x_i2c_write_mask()
295 	return bq2415x_i2c_write(bq, reg, ret);  in bq2415x_i2c_write_mask()
313 	int ret;  in bq2415x_exec_command()  local
351 		ret = bq2415x_i2c_read_bit(bq, BQ2415X_REG_CONTROL,  in bq2415x_exec_command()
353 		if (ret < 0)  in bq2415x_exec_command()
354 			return ret;  in bq2415x_exec_command()
355 		return ret > 0 ? 0 : 1;  in bq2415x_exec_command()
417 	int ret = bq2415x_exec_command(bq, BQ2415X_PART_NUMBER);  in bq2415x_detect_chip()  local
419 	if (ret < 0)  in bq2415x_detect_chip()
420 		return ret;  in bq2415x_detect_chip()
424 		switch (ret) {  in bq2415x_detect_chip()
445 		switch (ret) {  in bq2415x_detect_chip()
466 	int ret = bq2415x_exec_command(bq, BQ2415X_REVISION);  in bq2415x_detect_revision()  local
469 	if (ret < 0 || chip < 0)  in bq2415x_detect_revision()
478 		if (ret >= 0 && ret <= 3)  in bq2415x_detect_revision()
479 			return ret;  in bq2415x_detect_revision()
487 		if (ret == 3)  in bq2415x_detect_revision()
489 		else if (ret == 1)  in bq2415x_detect_revision()
493 		if (ret == 3)  in bq2415x_detect_revision()
506 	int ret;  in bq2415x_get_vender_code()  local
508 	ret = bq2415x_exec_command(bq, BQ2415X_VENDER_CODE);  in bq2415x_get_vender_code()
509 	if (ret < 0)  in bq2415x_get_vender_code()
513 	return (ret & 0x1) +  in bq2415x_get_vender_code()
514 	       ((ret >> 1) & 0x1) * 10 +  in bq2415x_get_vender_code()
515 	       ((ret >> 2) & 0x1) * 100;  in bq2415x_get_vender_code()
551 	int ret;  in bq2415x_get_current_limit()  local
553 	ret = bq2415x_i2c_read_mask(bq, BQ2415X_REG_CONTROL,  in bq2415x_get_current_limit()
555 	if (ret < 0)  in bq2415x_get_current_limit()
556 		return ret;  in bq2415x_get_current_limit()
557 	else if (ret == 0)  in bq2415x_get_current_limit()
559 	else if (ret == 1)  in bq2415x_get_current_limit()
561 	else if (ret == 2)  in bq2415x_get_current_limit()
563 	else if (ret == 3)  in bq2415x_get_current_limit()
590 	int ret;  in bq2415x_get_weak_battery_voltage()  local
592 	ret = bq2415x_i2c_read_mask(bq, BQ2415X_REG_CONTROL,  in bq2415x_get_weak_battery_voltage()
594 	if (ret < 0)  in bq2415x_get_weak_battery_voltage()
595 		return ret;  in bq2415x_get_weak_battery_voltage()
596 	return 100 * (34 + ret);  in bq2415x_get_weak_battery_voltage()
621 	int ret = bq2415x_i2c_read_mask(bq, BQ2415X_REG_VOLTAGE,  in bq2415x_get_battery_regulation_voltage()  local
624 	if (ret < 0)  in bq2415x_get_battery_regulation_voltage()
625 		return ret;  in bq2415x_get_battery_regulation_voltage()
626 	return 10 * (350 + 2*ret);  in bq2415x_get_battery_regulation_voltage()
651 	int ret;  in bq2415x_get_charge_current()  local
656 	ret = bq2415x_i2c_read_mask(bq, BQ2415X_REG_CURRENT,  in bq2415x_get_charge_current()
658 	if (ret < 0)  in bq2415x_get_charge_current()
659 		return ret;  in bq2415x_get_charge_current()
660 	return (37400 + 6800*ret) / bq->init_data.resistor_sense;  in bq2415x_get_charge_current()
685 	int ret;  in bq2415x_get_termination_current()  local
690 	ret = bq2415x_i2c_read_mask(bq, BQ2415X_REG_CURRENT,  in bq2415x_get_termination_current()
692 	if (ret < 0)  in bq2415x_get_termination_current()
693 		return ret;  in bq2415x_get_termination_current()
694 	return (3400 + 3400*ret) / bq->init_data.resistor_sense;  in bq2415x_get_termination_current()
700 		int ret = 0; \
702 			ret = bq2415x_set_##prop(bq, bq->init_data.prop); \
703 		if (ret < 0) \
704 			return ret; \
733 	int ret = 0;  in bq2415x_set_mode()  local
743 		ret = bq2415x_exec_command(bq, BQ2415X_CHARGER_DISABLE);  in bq2415x_set_mode()
746 		ret = bq2415x_exec_command(bq, BQ2415X_BOOST_MODE_DISABLE);  in bq2415x_set_mode()
748 	if (ret < 0)  in bq2415x_set_mode()
749 		return ret;  in bq2415x_set_mode()
754 		ret = bq2415x_set_current_limit(bq, 100);  in bq2415x_set_mode()
758 		ret = bq2415x_set_current_limit(bq, 100);  in bq2415x_set_mode()
762 		ret = bq2415x_set_current_limit(bq, 500);  in bq2415x_set_mode()
766 		ret = bq2415x_set_current_limit(bq, 1800);  in bq2415x_set_mode()
770 		ret = bq2415x_set_current_limit(bq, 100);  in bq2415x_set_mode()
774 	if (ret < 0)  in bq2415x_set_mode()
775 		return ret;  in bq2415x_set_mode()
778 		ret = bq2415x_exec_command(bq, BQ2415X_CHARGER_ENABLE);  in bq2415x_set_mode()
780 		ret = bq2415x_exec_command(bq, BQ2415X_BOOST_MODE_ENABLE);  in bq2415x_set_mode()
782 	if (ret < 0)  in bq2415x_set_mode()
783 		return ret;  in bq2415x_set_mode()
822 	int ret;  in bq2415x_notifier_call()  local
839 	ret = power_supply_get_property(psy, POWER_SUPPLY_PROP_CURRENT_MAX,  in bq2415x_notifier_call()
841 	if (ret != 0)  in bq2415x_notifier_call()
898 	int ret;  in bq2415x_timer_work()  local
910 	ret = bq2415x_exec_command(bq, BQ2415X_TIMER_RESET);  in bq2415x_timer_work()
911 	if (ret < 0) {  in bq2415x_timer_work()
1010 	int ret;  in bq2415x_power_supply_get_property()  local
1014 		ret = bq2415x_exec_command(bq, BQ2415X_CHARGE_STATUS);  in bq2415x_power_supply_get_property()
1015 		if (ret < 0)  in bq2415x_power_supply_get_property()
1016 			return ret;  in bq2415x_power_supply_get_property()
1017 		else if (ret == 0) /* Ready */  in bq2415x_power_supply_get_property()
1019 		else if (ret == 1) /* Charge in progress */  in bq2415x_power_supply_get_property()
1021 		else if (ret == 2) /* Charge done */  in bq2415x_power_supply_get_property()
1037 	int ret;  in bq2415x_power_supply_init()  local
1049 	ret = bq2415x_detect_chip(bq);  in bq2415x_power_supply_init()
1050 	if (ret < 0)  in bq2415x_power_supply_init()
1053 		chip = ret;  in bq2415x_power_supply_init()
1055 	ret = bq2415x_detect_revision(bq);  in bq2415x_power_supply_init()
1056 	if (ret < 0)  in bq2415x_power_supply_init()
1059 		sprintf(revstr, "1.%d", ret);  in bq2415x_power_supply_init()
1100 	int ret;  in bq2415x_sysfs_show_status()  local
1113 	ret = bq2415x_exec_command(bq, command);  in bq2415x_sysfs_show_status()
1114 	if (ret < 0)  in bq2415x_sysfs_show_status()
1115 		return ret;  in bq2415x_sysfs_show_status()
1116 	return sprintf(buf, "%d\n", ret);  in bq2415x_sysfs_show_status()
1132 	int ret = 0;  in bq2415x_sysfs_set_timer()  local
1139 		ret = bq2415x_exec_command(bq, BQ2415X_TIMER_RESET);  in bq2415x_sysfs_set_timer()
1141 	if (ret < 0)  in bq2415x_sysfs_set_timer()
1142 		return ret;  in bq2415x_sysfs_set_timer()
1178 	int ret = 0;  in bq2415x_sysfs_set_mode()  local
1216 	ret = bq2415x_set_mode(bq, mode);  in bq2415x_sysfs_set_mode()
1217 	if (ret < 0)  in bq2415x_sysfs_set_mode()
1218 		return ret;  in bq2415x_sysfs_set_mode()
1229 	ssize_t ret = 0;  in bq2415x_sysfs_show_mode()  local
1232 		ret += sprintf(buf+ret, "auto (");  in bq2415x_sysfs_show_mode()
1236 		ret += sprintf(buf+ret, "off");  in bq2415x_sysfs_show_mode()
1239 		ret += sprintf(buf+ret, "none");  in bq2415x_sysfs_show_mode()
1242 		ret += sprintf(buf+ret, "host");  in bq2415x_sysfs_show_mode()
1245 		ret += sprintf(buf+ret, "dedicated");  in bq2415x_sysfs_show_mode()
1248 		ret += sprintf(buf+ret, "boost");  in bq2415x_sysfs_show_mode()
1253 		ret += sprintf(buf+ret, ")");  in bq2415x_sysfs_show_mode()
1255 	ret += sprintf(buf+ret, "\n");  in bq2415x_sysfs_show_mode()
1256 	return ret;  in bq2415x_sysfs_show_mode()
1294 	ssize_t ret = 0;  in bq2415x_sysfs_set_registers()  local
1304 	ret = bq2415x_i2c_write(bq, reg, val);  in bq2415x_sysfs_set_registers()
1305 	if (ret < 0)  in bq2415x_sysfs_set_registers()
1306 		return ret;  in bq2415x_sysfs_set_registers()
1315 	int ret = bq2415x_i2c_read(bq, reg);  in bq2415x_sysfs_print_reg()  local
1317 	if (ret < 0)  in bq2415x_sysfs_print_reg()
1318 		return sprintf(buf, "%#.2x=error %d\n", reg, ret);  in bq2415x_sysfs_print_reg()
1319 	return sprintf(buf, "%#.2x=%#.2x\n", reg, ret);  in bq2415x_sysfs_print_reg()
1329 	ssize_t ret = 0;  in bq2415x_sysfs_show_registers()  local
1331 	ret += bq2415x_sysfs_print_reg(bq, BQ2415X_REG_STATUS, buf+ret);  in bq2415x_sysfs_show_registers()
1332 	ret += bq2415x_sysfs_print_reg(bq, BQ2415X_REG_CONTROL, buf+ret);  in bq2415x_sysfs_show_registers()
1333 	ret += bq2415x_sysfs_print_reg(bq, BQ2415X_REG_VOLTAGE, buf+ret);  in bq2415x_sysfs_show_registers()
1334 	ret += bq2415x_sysfs_print_reg(bq, BQ2415X_REG_VENDER, buf+ret);  in bq2415x_sysfs_show_registers()
1335 	ret += bq2415x_sysfs_print_reg(bq, BQ2415X_REG_CURRENT, buf+ret);  in bq2415x_sysfs_show_registers()
1336 	return ret;  in bq2415x_sysfs_show_registers()
1348 	int ret;  in bq2415x_sysfs_set_limit()  local
1354 		ret = bq2415x_set_current_limit(bq, val);  in bq2415x_sysfs_set_limit()
1356 		ret = bq2415x_set_weak_battery_voltage(bq, val);  in bq2415x_sysfs_set_limit()
1358 		ret = bq2415x_set_battery_regulation_voltage(bq, val);  in bq2415x_sysfs_set_limit()
1360 		ret = bq2415x_set_charge_current(bq, val);  in bq2415x_sysfs_set_limit()
1362 		ret = bq2415x_set_termination_current(bq, val);  in bq2415x_sysfs_set_limit()
1366 	if (ret < 0)  in bq2415x_sysfs_set_limit()
1367 		return ret;  in bq2415x_sysfs_set_limit()
1378 	int ret;  in bq2415x_sysfs_show_limit()  local
1381 		ret = bq2415x_get_current_limit(bq);  in bq2415x_sysfs_show_limit()
1383 		ret = bq2415x_get_weak_battery_voltage(bq);  in bq2415x_sysfs_show_limit()
1385 		ret = bq2415x_get_battery_regulation_voltage(bq);  in bq2415x_sysfs_show_limit()
1387 		ret = bq2415x_get_charge_current(bq);  in bq2415x_sysfs_show_limit()
1389 		ret = bq2415x_get_termination_current(bq);  in bq2415x_sysfs_show_limit()
1393 	if (ret < 0)  in bq2415x_sysfs_show_limit()
1394 		return ret;  in bq2415x_sysfs_show_limit()
1395 	return sprintf(buf, "%d\n", ret);  in bq2415x_sysfs_show_limit()
1408 	int ret;  in bq2415x_sysfs_set_enable()  local
1428 	ret = bq2415x_exec_command(bq, command);  in bq2415x_sysfs_set_enable()
1429 	if (ret < 0)  in bq2415x_sysfs_set_enable()
1430 		return ret;  in bq2415x_sysfs_set_enable()
1442 	int ret;  in bq2415x_sysfs_show_enable()  local
1455 	ret = bq2415x_exec_command(bq, command);  in bq2415x_sysfs_show_enable()
1456 	if (ret < 0)  in bq2415x_sysfs_show_enable()
1457 		return ret;  in bq2415x_sysfs_show_enable()
1458 	return sprintf(buf, "%d\n", ret);  in bq2415x_sysfs_show_enable()
1544 	int ret;  in bq2415x_probe()  local
1576 		ret = -ENOMEM;  in bq2415x_probe()
1582 		ret = -ENOMEM;  in bq2415x_probe()
1601 		ret = device_property_read_u32(bq->dev,  in bq2415x_probe()
1604 		if (ret)  in bq2415x_probe()
1606 		ret = device_property_read_u32(bq->dev,  in bq2415x_probe()
1609 		if (ret)  in bq2415x_probe()
1611 		ret = device_property_read_u32(bq->dev,  in bq2415x_probe()
1614 		if (ret)  in bq2415x_probe()
1616 		ret = device_property_read_u32(bq->dev,  in bq2415x_probe()
1619 		if (ret)  in bq2415x_probe()
1621 		ret = device_property_read_u32(bq->dev,  in bq2415x_probe()
1624 		if (ret)  in bq2415x_probe()
1626 		ret = device_property_read_u32(bq->dev,  in bq2415x_probe()
1629 		if (ret)  in bq2415x_probe()
1640 	ret = bq2415x_power_supply_init(bq);  in bq2415x_probe()
1641 	if (ret) {  in bq2415x_probe()
1642 		dev_err(bq->dev, "failed to register power supply: %d\n", ret);  in bq2415x_probe()
1646 	ret = bq2415x_sysfs_init(bq);  in bq2415x_probe()
1647 	if (ret) {  in bq2415x_probe()
1648 		dev_err(bq->dev, "failed to create sysfs entries: %d\n", ret);  in bq2415x_probe()
1652 	ret = bq2415x_set_defaults(bq);  in bq2415x_probe()
1653 	if (ret) {  in bq2415x_probe()
1654 		dev_err(bq->dev, "failed to set default values: %d\n", ret);  in bq2415x_probe()
1660 		ret = power_supply_reg_notifier(&bq->nb);  in bq2415x_probe()
1661 		if (ret) {  in bq2415x_probe()
1662 			dev_err(bq->dev, "failed to reg notifier: %d\n", ret);  in bq2415x_probe()
1686 		ret = power_supply_get_property(notify_psy,  in bq2415x_probe()
1690 		if (ret == 0) {  in bq2415x_probe()
1715 	return ret;  in bq2415x_probe()