210 	int ret;  in send_command()  local
212 	ret = wait_status(0, SMC_STATUS_IB_CLOSED);  in send_command()
213 	if (ret)  in send_command()
214 		return ret;  in send_command()
227 	int ret;  in smc_sane()  local
229 	ret = wait_status(0, SMC_STATUS_BUSY);  in smc_sane()
230 	if (!ret)  in smc_sane()
231 		return ret;  in smc_sane()
232 	ret = send_command(APPLESMC_READ_CMD);  in smc_sane()
233 	if (ret)  in smc_sane()
234 		return ret;  in smc_sane()
252 	int ret;  in read_smc()  local
254 	ret = smc_sane();  in read_smc()
255 	if (ret)  in read_smc()
256 		return ret;  in read_smc()
295 	int ret;  in write_smc()  local
297 	ret = smc_sane();  in write_smc()
298 	if (ret)  in write_smc()
299 		return ret;  in write_smc()
324 	int ret;  in read_register_count()  local
326 	ret = read_smc(APPLESMC_READ_CMD, KEY_COUNT_KEY, (u8 *)&be, 4);  in read_register_count()
327 	if (ret)  in read_register_count()
328 		return ret;  in read_register_count()
344 	int ret;  in applesmc_read_entry()  local
349 	ret = read_smc(APPLESMC_READ_CMD, entry->key, buf, len);  in applesmc_read_entry()
352 	return ret;  in applesmc_read_entry()
358 	int ret;  in applesmc_write_entry()  local
363 	ret = write_smc(APPLESMC_WRITE_CMD, entry->key, buf, len);  in applesmc_write_entry()
365 	return ret;  in applesmc_write_entry()
373 	int ret = 0;  in applesmc_get_entry_by_index()  local
383 	ret = read_smc(APPLESMC_GET_KEY_BY_INDEX_CMD, (u8 *)&be, key, 4);  in applesmc_get_entry_by_index()
384 	if (ret)  in applesmc_get_entry_by_index()
386 	ret = read_smc(APPLESMC_GET_KEY_TYPE_CMD, key, info, 6);  in applesmc_get_entry_by_index()
387 	if (ret)  in applesmc_get_entry_by_index()
398 	if (ret)  in applesmc_get_entry_by_index()
399 		return ERR_PTR(ret);  in applesmc_get_entry_by_index()
450 	int ret;  in applesmc_get_entry_by_key()  local
452 	ret = applesmc_get_lower_bound(&begin, key);  in applesmc_get_entry_by_key()
453 	if (ret)  in applesmc_get_entry_by_key()
454 		return ERR_PTR(ret);  in applesmc_get_entry_by_key()
455 	ret = applesmc_get_upper_bound(&end, key);  in applesmc_get_entry_by_key()
456 	if (ret)  in applesmc_get_entry_by_key()
457 		return ERR_PTR(ret);  in applesmc_get_entry_by_key()
504 	int ret;  in applesmc_read_s16()  local
506 	ret = applesmc_read_key(key, buffer, 2);  in applesmc_read_s16()
507 	if (ret)  in applesmc_read_s16()
508 		return ret;  in applesmc_read_s16()
571 	int ret;  in applesmc_init_smcreg_try()  local
576 	ret = read_register_count(&count);  in applesmc_init_smcreg_try()
577 	if (ret)  in applesmc_init_smcreg_try()
578 		return ret;  in applesmc_init_smcreg_try()
593 	ret = applesmc_read_key(FANS_COUNT, tmp, 1);  in applesmc_init_smcreg_try()
594 	if (ret)  in applesmc_init_smcreg_try()
595 		return ret;  in applesmc_init_smcreg_try()
600 	ret = applesmc_get_lower_bound(&s->temp_begin, "T");  in applesmc_init_smcreg_try()
601 	if (ret)  in applesmc_init_smcreg_try()
602 		return ret;  in applesmc_init_smcreg_try()
603 	ret = applesmc_get_lower_bound(&s->temp_end, "U");  in applesmc_init_smcreg_try()
604 	if (ret)  in applesmc_init_smcreg_try()
605 		return ret;  in applesmc_init_smcreg_try()
608 	ret = applesmc_init_index(s);  in applesmc_init_smcreg_try()
609 	if (ret)  in applesmc_init_smcreg_try()
610 		return ret;  in applesmc_init_smcreg_try()
612 	ret = applesmc_has_key(LIGHT_SENSOR_LEFT_KEY, &left_light_sensor);  in applesmc_init_smcreg_try()
613 	if (ret)  in applesmc_init_smcreg_try()
614 		return ret;  in applesmc_init_smcreg_try()
615 	ret = applesmc_has_key(LIGHT_SENSOR_RIGHT_KEY, &right_light_sensor);  in applesmc_init_smcreg_try()
616 	if (ret)  in applesmc_init_smcreg_try()
617 		return ret;  in applesmc_init_smcreg_try()
618 	ret = applesmc_has_key(MOTION_SENSOR_KEY, &s->has_accelerometer);  in applesmc_init_smcreg_try()
619 	if (ret)  in applesmc_init_smcreg_try()
620 		return ret;  in applesmc_init_smcreg_try()
621 	ret = applesmc_has_key(BACKLIGHT_KEY, &s->has_key_backlight);  in applesmc_init_smcreg_try()
622 	if (ret)  in applesmc_init_smcreg_try()
623 		return ret;  in applesmc_init_smcreg_try()
654 	int ms, ret;  in applesmc_init_smcreg()  local
657 		ret = applesmc_init_smcreg_try();  in applesmc_init_smcreg()
658 		if (!ret) {  in applesmc_init_smcreg()
668 	return ret;  in applesmc_init_smcreg()
674 	int ret;  in applesmc_probe()  local
676 	ret = applesmc_init_smcreg();  in applesmc_probe()
677 	if (ret)  in applesmc_probe()
678 		return ret;  in applesmc_probe()
750 	int ret;  in applesmc_position_show()  local
753 	ret = applesmc_read_s16(MOTION_SENSOR_X_KEY, &x);  in applesmc_position_show()
754 	if (ret)  in applesmc_position_show()
756 	ret = applesmc_read_s16(MOTION_SENSOR_Y_KEY, &y);  in applesmc_position_show()
757 	if (ret)  in applesmc_position_show()
759 	ret = applesmc_read_s16(MOTION_SENSOR_Z_KEY, &z);  in applesmc_position_show()
760 	if (ret)  in applesmc_position_show()
764 	if (ret)  in applesmc_position_show()
765 		return ret;  in applesmc_position_show()
775 	int ret;  in applesmc_light_show()  local
789 	ret = applesmc_read_key(LIGHT_SENSOR_LEFT_KEY, buffer, data_length);  in applesmc_light_show()
790 	if (ret)  in applesmc_light_show()
799 	ret = applesmc_read_key(LIGHT_SENSOR_RIGHT_KEY, buffer, data_length);  in applesmc_light_show()
800 	if (ret)  in applesmc_light_show()
805 	if (ret)  in applesmc_light_show()
806 		return ret;  in applesmc_light_show()
825 	int ret;  in applesmc_show_temperature()  local
829 	ret = applesmc_read_s16(key, &value);  in applesmc_show_temperature()
830 	if (ret)  in applesmc_show_temperature()
831 		return ret;  in applesmc_show_temperature()
841 	int ret;  in applesmc_show_fan_speed()  local
849 	ret = applesmc_read_key(newkey, buffer, 2);  in applesmc_show_fan_speed()
850 	if (ret)  in applesmc_show_fan_speed()
851 		return ret;  in applesmc_show_fan_speed()
861 	int ret;  in applesmc_store_fan_speed()  local
874 	ret = applesmc_write_key(newkey, buffer, 2);  in applesmc_store_fan_speed()
876 	if (ret)  in applesmc_store_fan_speed()
877 		return ret;  in applesmc_store_fan_speed()
885 	int ret;  in applesmc_show_fan_manual()  local
889 	ret = applesmc_read_key(FANS_MANUAL, buffer, 2);  in applesmc_show_fan_manual()
890 	if (ret)  in applesmc_show_fan_manual()
891 		return ret;  in applesmc_show_fan_manual()
901 	int ret;  in applesmc_store_fan_manual()  local
909 	ret = applesmc_read_key(FANS_MANUAL, buffer, 2);  in applesmc_store_fan_manual()
910 	if (ret)  in applesmc_store_fan_manual()
923 	ret = applesmc_write_key(FANS_MANUAL, buffer, 2);  in applesmc_store_fan_manual()
926 	if (ret)  in applesmc_store_fan_manual()
927 		return ret;  in applesmc_store_fan_manual()
935 	int ret;  in applesmc_show_fan_position()  local
941 	ret = applesmc_read_key(newkey, buffer, 16);  in applesmc_show_fan_position()
944 	if (ret)  in applesmc_show_fan_position()
945 		return ret;  in applesmc_show_fan_position()
973 	int ret;  in applesmc_brightness_set()  local
976 	ret = queue_work(applesmc_led_wq, &backlight_work);  in applesmc_brightness_set()
978 	if (debug && (!ret))  in applesmc_brightness_set()
985 	int ret;  in applesmc_key_count_show()  local
989 	ret = applesmc_read_key(KEY_COUNT_KEY, buffer, 4);  in applesmc_key_count_show()
990 	if (ret)  in applesmc_key_count_show()
991 		return ret;  in applesmc_key_count_show()
1002 	int ret;  in applesmc_key_at_index_read_show()  local
1007 	ret = applesmc_read_entry(entry, sysfsbuf, entry->len);  in applesmc_key_at_index_read_show()
1008 	if (ret)  in applesmc_key_at_index_read_show()
1009 		return ret;  in applesmc_key_at_index_read_show()
1141 	int ret, i;  in applesmc_create_nodes()  local
1146 			ret = -ENOMEM;  in applesmc_create_nodes()
1160 			ret = sysfs_create_file(&pdev->dev.kobj, attr);  in applesmc_create_nodes()
1161 			if (ret) {  in applesmc_create_nodes()
1171 	return ret;  in applesmc_create_nodes()
1177 	int ret;  in applesmc_create_accelerometer()  local
1182 	ret = applesmc_create_nodes(accelerometer_group, 1);  in applesmc_create_accelerometer()
1183 	if (ret)  in applesmc_create_accelerometer()
1188 		ret = -ENOMEM;  in applesmc_create_accelerometer()
1204 	ret = input_setup_polling(applesmc_idev, applesmc_idev_poll);  in applesmc_create_accelerometer()
1205 	if (ret)  in applesmc_create_accelerometer()
1210 	ret = input_register_device(applesmc_idev);  in applesmc_create_accelerometer()
1211 	if (ret)  in applesmc_create_accelerometer()
1223 	pr_warn("driver init failed (ret=%d)!\n", ret);  in applesmc_create_accelerometer()
1224 	return ret;  in applesmc_create_accelerometer()
1307 	int ret;  in applesmc_init()  local
1311 		ret = -ENODEV;  in applesmc_init()
1317 		ret = -ENXIO;  in applesmc_init()
1321 	ret = platform_driver_register(&applesmc_driver);  in applesmc_init()
1322 	if (ret)  in applesmc_init()
1328 		ret = PTR_ERR(pdev);  in applesmc_init()
1333 	ret = applesmc_init_smcreg();  in applesmc_init()
1334 	if (ret)  in applesmc_init()
1337 	ret = applesmc_create_nodes(info_group, 1);  in applesmc_init()
1338 	if (ret)  in applesmc_init()
1341 	ret = applesmc_create_nodes(fan_group, smcreg.fan_count);  in applesmc_init()
1342 	if (ret)  in applesmc_init()
1345 	ret = applesmc_create_nodes(temp_group, smcreg.index_count);  in applesmc_init()
1346 	if (ret)  in applesmc_init()
1349 	ret = applesmc_create_accelerometer();  in applesmc_init()
1350 	if (ret)  in applesmc_init()
1353 	ret = applesmc_create_light_sensor();  in applesmc_init()
1354 	if (ret)  in applesmc_init()
1357 	ret = applesmc_create_key_backlight();  in applesmc_init()
1358 	if (ret)  in applesmc_init()
1363 		ret = PTR_ERR(hwmon_dev);  in applesmc_init()
1390 	pr_warn("driver init failed (ret=%d)!\n", ret);  in applesmc_init()
1391 	return ret;  in applesmc_init()