296 	int ret;  in read_register_count()  local
298 	ret = read_smc(APPLESMC_READ_CMD, KEY_COUNT_KEY, (u8 *)&be, 4);  in read_register_count()
299 	if (ret)  in read_register_count()
300 		return ret;  in read_register_count()
316 	int ret;  in applesmc_read_entry()  local
321 	ret = read_smc(APPLESMC_READ_CMD, entry->key, buf, len);  in applesmc_read_entry()
324 	return ret;  in applesmc_read_entry()
330 	int ret;  in applesmc_write_entry()  local
335 	ret = write_smc(APPLESMC_WRITE_CMD, entry->key, buf, len);  in applesmc_write_entry()
337 	return ret;  in applesmc_write_entry()
345 	int ret = 0;  in applesmc_get_entry_by_index()  local
355 	ret = read_smc(APPLESMC_GET_KEY_BY_INDEX_CMD, (u8 *)&be, key, 4);  in applesmc_get_entry_by_index()
356 	if (ret)  in applesmc_get_entry_by_index()
358 	ret = read_smc(APPLESMC_GET_KEY_TYPE_CMD, key, info, 6);  in applesmc_get_entry_by_index()
359 	if (ret)  in applesmc_get_entry_by_index()
370 	if (ret)  in applesmc_get_entry_by_index()
371 		return ERR_PTR(ret);  in applesmc_get_entry_by_index()
422 	int ret;  in applesmc_get_entry_by_key()  local
424 	ret = applesmc_get_lower_bound(&begin, key);  in applesmc_get_entry_by_key()
425 	if (ret)  in applesmc_get_entry_by_key()
426 		return ERR_PTR(ret);  in applesmc_get_entry_by_key()
427 	ret = applesmc_get_upper_bound(&end, key);  in applesmc_get_entry_by_key()
428 	if (ret)  in applesmc_get_entry_by_key()
429 		return ERR_PTR(ret);  in applesmc_get_entry_by_key()
476 	int ret;  in applesmc_read_s16()  local
478 	ret = applesmc_read_key(key, buffer, 2);  in applesmc_read_s16()
479 	if (ret)  in applesmc_read_s16()
480 		return ret;  in applesmc_read_s16()
543 	int ret;  in applesmc_init_smcreg_try()  local
548 	ret = read_register_count(&count);  in applesmc_init_smcreg_try()
549 	if (ret)  in applesmc_init_smcreg_try()
550 		return ret;  in applesmc_init_smcreg_try()
565 	ret = applesmc_read_key(FANS_COUNT, tmp, 1);  in applesmc_init_smcreg_try()
566 	if (ret)  in applesmc_init_smcreg_try()
567 		return ret;  in applesmc_init_smcreg_try()
570 	ret = applesmc_get_lower_bound(&s->temp_begin, "T");  in applesmc_init_smcreg_try()
571 	if (ret)  in applesmc_init_smcreg_try()
572 		return ret;  in applesmc_init_smcreg_try()
573 	ret = applesmc_get_lower_bound(&s->temp_end, "U");  in applesmc_init_smcreg_try()
574 	if (ret)  in applesmc_init_smcreg_try()
575 		return ret;  in applesmc_init_smcreg_try()
578 	ret = applesmc_init_index(s);  in applesmc_init_smcreg_try()
579 	if (ret)  in applesmc_init_smcreg_try()
580 		return ret;  in applesmc_init_smcreg_try()
582 	ret = applesmc_has_key(LIGHT_SENSOR_LEFT_KEY, &left_light_sensor);  in applesmc_init_smcreg_try()
583 	if (ret)  in applesmc_init_smcreg_try()
584 		return ret;  in applesmc_init_smcreg_try()
585 	ret = applesmc_has_key(LIGHT_SENSOR_RIGHT_KEY, &right_light_sensor);  in applesmc_init_smcreg_try()
586 	if (ret)  in applesmc_init_smcreg_try()
587 		return ret;  in applesmc_init_smcreg_try()
588 	ret = applesmc_has_key(MOTION_SENSOR_KEY, &s->has_accelerometer);  in applesmc_init_smcreg_try()
589 	if (ret)  in applesmc_init_smcreg_try()
590 		return ret;  in applesmc_init_smcreg_try()
591 	ret = applesmc_has_key(BACKLIGHT_KEY, &s->has_key_backlight);  in applesmc_init_smcreg_try()
592 	if (ret)  in applesmc_init_smcreg_try()
593 		return ret;  in applesmc_init_smcreg_try()
624 	int ms, ret;  in applesmc_init_smcreg()  local
627 		ret = applesmc_init_smcreg_try();  in applesmc_init_smcreg()
628 		if (!ret) {  in applesmc_init_smcreg()
638 	return ret;  in applesmc_init_smcreg()
644 	int ret;  in applesmc_probe()  local
646 	ret = applesmc_init_smcreg();  in applesmc_probe()
647 	if (ret)  in applesmc_probe()
648 		return ret;  in applesmc_probe()
721 	int ret;  in applesmc_position_show()  local
724 	ret = applesmc_read_s16(MOTION_SENSOR_X_KEY, &x);  in applesmc_position_show()
725 	if (ret)  in applesmc_position_show()
727 	ret = applesmc_read_s16(MOTION_SENSOR_Y_KEY, &y);  in applesmc_position_show()
728 	if (ret)  in applesmc_position_show()
730 	ret = applesmc_read_s16(MOTION_SENSOR_Z_KEY, &z);  in applesmc_position_show()
731 	if (ret)  in applesmc_position_show()
735 	if (ret)  in applesmc_position_show()
736 		return ret;  in applesmc_position_show()
746 	int ret;  in applesmc_light_show()  local
760 	ret = applesmc_read_key(LIGHT_SENSOR_LEFT_KEY, buffer, data_length);  in applesmc_light_show()
767 	if (ret)  in applesmc_light_show()
769 	ret = applesmc_read_key(LIGHT_SENSOR_RIGHT_KEY, buffer, data_length);  in applesmc_light_show()
773 	if (ret)  in applesmc_light_show()
774 		return ret;  in applesmc_light_show()
793 	int ret;  in applesmc_show_temperature()  local
797 	ret = applesmc_read_s16(key, &value);  in applesmc_show_temperature()
798 	if (ret)  in applesmc_show_temperature()
799 		return ret;  in applesmc_show_temperature()
809 	int ret;  in applesmc_show_fan_speed()  local
816 	ret = applesmc_read_key(newkey, buffer, 2);  in applesmc_show_fan_speed()
819 	if (ret)  in applesmc_show_fan_speed()
820 		return ret;  in applesmc_show_fan_speed()
829 	int ret;  in applesmc_store_fan_speed()  local
841 	ret = applesmc_write_key(newkey, buffer, 2);  in applesmc_store_fan_speed()
843 	if (ret)  in applesmc_store_fan_speed()
844 		return ret;  in applesmc_store_fan_speed()
852 	int ret;  in applesmc_show_fan_manual()  local
856 	ret = applesmc_read_key(FANS_MANUAL, buffer, 2);  in applesmc_show_fan_manual()
859 	if (ret)  in applesmc_show_fan_manual()
860 		return ret;  in applesmc_show_fan_manual()
869 	int ret;  in applesmc_store_fan_manual()  local
877 	ret = applesmc_read_key(FANS_MANUAL, buffer, 2);  in applesmc_store_fan_manual()
879 	if (ret)  in applesmc_store_fan_manual()
890 	ret = applesmc_write_key(FANS_MANUAL, buffer, 2);  in applesmc_store_fan_manual()
893 	if (ret)  in applesmc_store_fan_manual()
894 		return ret;  in applesmc_store_fan_manual()
902 	int ret;  in applesmc_show_fan_position()  local
908 	ret = applesmc_read_key(newkey, buffer, 16);  in applesmc_show_fan_position()
911 	if (ret)  in applesmc_show_fan_position()
912 		return ret;  in applesmc_show_fan_position()
940 	int ret;  in applesmc_brightness_set()  local
943 	ret = queue_work(applesmc_led_wq, &backlight_work);  in applesmc_brightness_set()
945 	if (debug && (!ret))  in applesmc_brightness_set()
952 	int ret;  in applesmc_key_count_show()  local
956 	ret = applesmc_read_key(KEY_COUNT_KEY, buffer, 4);  in applesmc_key_count_show()
960 	if (ret)  in applesmc_key_count_show()
961 		return ret;  in applesmc_key_count_show()
970 	int ret;  in applesmc_key_at_index_read_show()  local
975 	ret = applesmc_read_entry(entry, sysfsbuf, entry->len);  in applesmc_key_at_index_read_show()
976 	if (ret)  in applesmc_key_at_index_read_show()
977 		return ret;  in applesmc_key_at_index_read_show()
1109 	int ret, i;  in applesmc_create_nodes()  local
1114 			ret = -ENOMEM;  in applesmc_create_nodes()
1127 			ret = sysfs_create_file(&pdev->dev.kobj, attr);  in applesmc_create_nodes()
1128 			if (ret) {  in applesmc_create_nodes()
1138 	return ret;  in applesmc_create_nodes()
1145 	int ret;  in applesmc_create_accelerometer()  local
1150 	ret = applesmc_create_nodes(accelerometer_group, 1);  in applesmc_create_accelerometer()
1151 	if (ret)  in applesmc_create_accelerometer()
1156 		ret = -ENOMEM;  in applesmc_create_accelerometer()
1177 	ret = input_register_polled_device(applesmc_idev);  in applesmc_create_accelerometer()
1178 	if (ret)  in applesmc_create_accelerometer()
1190 	pr_warn("driver init failed (ret=%d)!\n", ret);  in applesmc_create_accelerometer()
1191 	return ret;  in applesmc_create_accelerometer()
1275 	int ret;  in applesmc_init()  local
1279 		ret = -ENODEV;  in applesmc_init()
1285 		ret = -ENXIO;  in applesmc_init()
1289 	ret = platform_driver_register(&applesmc_driver);  in applesmc_init()
1290 	if (ret)  in applesmc_init()
1296 		ret = PTR_ERR(pdev);  in applesmc_init()
1301 	ret = applesmc_init_smcreg();  in applesmc_init()
1302 	if (ret)  in applesmc_init()
1305 	ret = applesmc_create_nodes(info_group, 1);  in applesmc_init()
1306 	if (ret)  in applesmc_init()
1309 	ret = applesmc_create_nodes(fan_group, smcreg.fan_count);  in applesmc_init()
1310 	if (ret)  in applesmc_init()
1313 	ret = applesmc_create_nodes(temp_group, smcreg.index_count);  in applesmc_init()
1314 	if (ret)  in applesmc_init()
1317 	ret = applesmc_create_accelerometer();  in applesmc_init()
1318 	if (ret)  in applesmc_init()
1321 	ret = applesmc_create_light_sensor();  in applesmc_init()
1322 	if (ret)  in applesmc_init()
1325 	ret = applesmc_create_key_backlight();  in applesmc_init()
1326 	if (ret)  in applesmc_init()
1331 		ret = PTR_ERR(hwmon_dev);  in applesmc_init()
1358 	pr_warn("driver init failed (ret=%d)!\n", ret);  in applesmc_init()
1359 	return ret;  in applesmc_init()