1 // SPDX-License-Identifier: GPL-2.0-or-later
3  *  asus-laptop.c - Asus Laptop Support
5  *  Copyright (C) 2002-2005 Julien Lerouge, 2003-2006 Karol Kozimor
6  *  Copyright (C) 2006-2007 Corentin Chary
13  *  Pontus Fuchs   - Helper functions, cleanup
14  *  Johann Wiesner - Small compile fixes
15  *  John Belmonte  - ACPI code for Toshiba laptop was a good starting point.
16  *  Eric Burghard  - LED display support for W1N
17  *  Josh Green     - Light Sens support
18  *  Thomas Tuttle  - His first patch for led support was very helpful
19  *  Sam Lin        - GPS support
36 #include <linux/input/sparse-keymap.h>
83 static int wimax_status = -1;
84 static int wwan_status = -1;
89 		 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
90 		 "default is -1");
94 		 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
95 		 "default is -1");
99 		 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
100 		 "default is -1");
104 		 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
105 		 "default is -1");
359  * returns 0 if write is successful, -1 else.
369 		return -1;  in write_acpi_int_ret()
380 		return -1;  in write_acpi_int_ret()
394 		return -ENODEV;  in acpi_check_handle()
409 		return -ENODEV;  in acpi_check_handle()
416 	return !strcmp(asus->name, DEVICE_NAME_PEGA) &&  in asus_check_pega_lucid()
417 	   !acpi_check_handle(asus->handle, METHOD_PEGA_ENABLE, NULL) &&  in asus_check_pega_lucid()
418 	   !acpi_check_handle(asus->handle, METHOD_PEGA_DISABLE, NULL) &&  in asus_check_pega_lucid()
419 	   !acpi_check_handle(asus->handle, METHOD_PEGA_READ, NULL);  in asus_check_pega_lucid()
425 	return write_acpi_int(asus->handle, method, unit);  in asus_pega_lucid_set()
433 		acpi_evaluate_integer(asus->handle, method, NULL, &val);  in pega_acc_axis()
438 		 * thei hi/lo byte reads means that a transition  in pega_acc_axis()
439 		 * between (for example) -1 and 0 could be read as  in pega_acc_axis()
441 		delta = abs(curr - (short)val);  in pega_acc_axis()
445 	return clamp_val((short)val, -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP);  in pega_acc_axis()
450 	struct device *parent = input->dev.parent;  in pega_accel_poll()
457 	if (!asus->pega_acc_live) {  in pega_accel_poll()
458 		asus->pega_acc_live = true;  in pega_accel_poll()
466 	asus->pega_acc_x = pega_acc_axis(asus, asus->pega_acc_x, METHOD_XLRX);  in pega_accel_poll()
467 	asus->pega_acc_y = pega_acc_axis(asus, asus->pega_acc_y, METHOD_XLRY);  in pega_accel_poll()
468 	asus->pega_acc_z = pega_acc_axis(asus, asus->pega_acc_z, METHOD_XLRZ);  in pega_accel_poll()
473 	input_report_abs(input, ABS_X, -asus->pega_acc_x);  in pega_accel_poll()
474 	input_report_abs(input, ABS_Y, -asus->pega_acc_y);  in pega_accel_poll()
475 	input_report_abs(input, ABS_Z,  asus->pega_acc_z);  in pega_accel_poll()
481 	if (asus->pega_accel_poll) {  in pega_accel_exit()
482 		input_unregister_device(asus->pega_accel_poll);  in pega_accel_exit()
483 		asus->pega_accel_poll = NULL;  in pega_accel_exit()
492 	if (!asus->is_pega_lucid)  in pega_accel_init()
493 		return -ENODEV;  in pega_accel_init()
495 	if (acpi_check_handle(asus->handle, METHOD_XLRX, NULL) ||  in pega_accel_init()
496 	    acpi_check_handle(asus->handle, METHOD_XLRY, NULL) ||  in pega_accel_init()
497 	    acpi_check_handle(asus->handle, METHOD_XLRZ, NULL))  in pega_accel_init()
498 		return -ENODEV;  in pega_accel_init()
502 		return -ENOMEM;  in pega_accel_init()
504 	input->name = PEGA_ACCEL_DESC;  in pega_accel_init()
505 	input->phys = PEGA_ACCEL_NAME "/input0";  in pega_accel_init()
506 	input->dev.parent = &asus->platform_device->dev;  in pega_accel_init()
507 	input->id.bustype = BUS_HOST;  in pega_accel_init()
510 			     -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, 0, 0);  in pega_accel_init()
512 			     -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, 0, 0);  in pega_accel_init()
514 			     -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, 0, 0);  in pega_accel_init()
528 	asus->pega_accel_poll = input;  in pega_accel_init()
547 	return write_acpi_int(asus->handle, method, value);  in asus_led_set()
558 	struct asus_laptop *asus = led->asus;  in asus_led_cdev_set()
560 	led->wk = !!value;  in asus_led_cdev_set()
561 	queue_work(asus->led_workqueue, &led->work);  in asus_led_cdev_set()
567 	struct asus_laptop *asus = led->asus;  in asus_led_cdev_update()
569 	asus_led_set(asus, led->method, led->wk);  in asus_led_cdev_update()
574 	return led_cdev->brightness;  in asus_led_cdev_get()
592 	rv = acpi_evaluate_integer(asus->handle, METHOD_KBD_LIGHT_GET,  in asus_kled_lvl()
596 		return -ENODEV;  in asus_kled_lvl()
608 	if (write_acpi_int(asus->handle, METHOD_KBD_LIGHT_SET, kblv)) {  in asus_kled_set()
610 		return -EINVAL;  in asus_kled_set()
619 	struct asus_laptop *asus = led->asus;  in asus_kled_cdev_set()
621 	led->wk = value;  in asus_kled_cdev_set()
622 	queue_work(asus->led_workqueue, &led->work);  in asus_kled_cdev_set()
628 	struct asus_laptop *asus = led->asus;  in asus_kled_cdev_update()
630 	asus_kled_set(asus, led->wk);  in asus_kled_cdev_update()
636 	struct asus_laptop *asus = led->asus;  in asus_kled_cdev_get()
643 	led_classdev_unregister(&asus->wled.led);  in asus_led_exit()
644 	led_classdev_unregister(&asus->bled.led);  in asus_led_exit()
645 	led_classdev_unregister(&asus->mled.led);  in asus_led_exit()
646 	led_classdev_unregister(&asus->tled.led);  in asus_led_exit()
647 	led_classdev_unregister(&asus->pled.led);  in asus_led_exit()
648 	led_classdev_unregister(&asus->rled.led);  in asus_led_exit()
649 	led_classdev_unregister(&asus->gled.led);  in asus_led_exit()
650 	led_classdev_unregister(&asus->kled.led);  in asus_led_exit()
652 	if (asus->led_workqueue) {  in asus_led_exit()
653 		destroy_workqueue(asus->led_workqueue);  in asus_led_exit()
654 		asus->led_workqueue = NULL;  in asus_led_exit()
663 	struct led_classdev *led_cdev = &led->led;  in asus_led_register()
665 	if (!method || acpi_check_handle(asus->handle, method, NULL))  in asus_led_register()
668 	led->asus = asus;  in asus_led_register()
669 	led->method = method;  in asus_led_register()
671 	INIT_WORK(&led->work, asus_led_cdev_update);  in asus_led_register()
672 	led_cdev->name = name;  in asus_led_register()
673 	led_cdev->brightness_set = asus_led_cdev_set;  in asus_led_register()
674 	led_cdev->brightness_get = asus_led_cdev_get;  in asus_led_register()
675 	led_cdev->max_brightness = 1;  in asus_led_register()
676 	return led_classdev_register(&asus->platform_device->dev, led_cdev);  in asus_led_register()
687 	if (asus->is_pega_lucid)  in asus_led_init()
696 	asus->led_workqueue = create_singlethread_workqueue("led_workqueue");  in asus_led_init()
697 	if (!asus->led_workqueue)  in asus_led_init()
698 		return -ENOMEM;  in asus_led_init()
700 	if (asus->wled_type == TYPE_LED)  in asus_led_init()
701 		r = asus_led_register(asus, &asus->wled, "asus::wlan",  in asus_led_init()
705 	if (asus->bled_type == TYPE_LED)  in asus_led_init()
706 		r = asus_led_register(asus, &asus->bled, "asus::bluetooth",  in asus_led_init()
710 	r = asus_led_register(asus, &asus->mled, "asus::mail", METHOD_MLED);  in asus_led_init()
713 	r = asus_led_register(asus, &asus->tled, "asus::touchpad", METHOD_TLED);  in asus_led_init()
716 	r = asus_led_register(asus, &asus->rled, "asus::record", METHOD_RLED);  in asus_led_init()
719 	r = asus_led_register(asus, &asus->pled, "asus::phone", METHOD_PLED);  in asus_led_init()
722 	r = asus_led_register(asus, &asus->gled, "asus::gaming", METHOD_GLED);  in asus_led_init()
725 	if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL) &&  in asus_led_init()
726 	    !acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_GET, NULL)) {  in asus_led_init()
727 		struct asus_led *led = &asus->kled;  in asus_led_init()
728 		struct led_classdev *cdev = &led->led;  in asus_led_init()
730 		led->asus = asus;  in asus_led_init()
732 		INIT_WORK(&led->work, asus_kled_cdev_update);  in asus_led_init()
733 		cdev->name = "asus::kbd_backlight";  in asus_led_init()
734 		cdev->brightness_set = asus_kled_cdev_set;  in asus_led_init()
735 		cdev->brightness_get = asus_kled_cdev_get;  in asus_led_init()
736 		cdev->max_brightness = 3;  in asus_led_init()
737 		r = led_classdev_register(&asus->platform_device->dev, cdev);  in asus_led_init()
754 	rv = acpi_evaluate_integer(asus->handle, METHOD_BRIGHTNESS_GET,  in asus_read_brightness()
768 	if (write_acpi_int(asus->handle, METHOD_BRIGHTNESS_SET, value)) {  in asus_set_brightness()
770 		return -EIO;  in asus_set_brightness()
777 	int value = bd->props.brightness;  in update_bl_status()
789 	struct backlight_device *bd = asus->backlight_device;  in asus_backlight_notify()
790 	int old = bd->props.brightness;  in asus_backlight_notify()
802 	if (acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_GET, NULL) ||  in asus_backlight_init()
803 	    acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_SET, NULL))  in asus_backlight_init()
811 				       &asus->platform_device->dev, asus,  in asus_backlight_init()
815 		asus->backlight_device = NULL;  in asus_backlight_init()
819 	asus->backlight_device = bd;  in asus_backlight_init()
820 	bd->props.brightness = asus_read_brightness(bd);  in asus_backlight_init()
821 	bd->props.power = FB_BLANK_UNBLANK;  in asus_backlight_init()
828 	backlight_device_unregister(asus->backlight_device);  in asus_backlight_exit()
829 	asus->backlight_device = NULL;  in asus_backlight_exit()
856 	len += sprintf(page + len, "Model reference    : %s\n", asus->name);  in infos_show()
860 	 * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card.  in infos_show()
863 	rv = acpi_evaluate_integer(asus->handle, "SFUN", NULL, &temp);  in infos_show()
875 	rv = acpi_evaluate_integer(asus->handle, "HWRS", NULL, &temp);  in infos_show()
886 	rv = acpi_evaluate_integer(asus->handle, "ASYM", NULL, &temp);  in infos_show()
890 	if (asus->dsdt_info) {  in infos_show()
891 		snprintf(buf, 16, "%d", asus->dsdt_info->length);  in infos_show()
893 		snprintf(buf, 16, "%d", asus->dsdt_info->checksum);  in infos_show()
895 		snprintf(buf, 16, "%d", asus->dsdt_info->revision);  in infos_show()
897 		snprintf(buf, 7, "%s", asus->dsdt_info->oem_id);  in infos_show()
899 		snprintf(buf, 9, "%s", asus->dsdt_info->oem_table_id);  in infos_show()
901 		snprintf(buf, 16, "%x", asus->dsdt_info->oem_revision);  in infos_show()
903 		snprintf(buf, 5, "%s", asus->dsdt_info->asl_compiler_id);  in infos_show()
905 		snprintf(buf, 16, "%x", asus->dsdt_info->asl_compiler_revision);  in infos_show()
923 	if (write_acpi_int(asus->handle, method, value))  in sysfs_acpi_set()
924 		return -ENODEV;  in sysfs_acpi_set()
936 	return sprintf(buf, "0x%08x\n", asus->ledd_status);  in ledd_show()
949 	if (write_acpi_int(asus->handle, METHOD_LEDD, value)) {  in ledd_store()
951 		return -ENODEV;  in ledd_store()
954 	asus->ledd_status = (u32) value;  in ledd_store()
967 	if (!asus->have_rsts)  in asus_wireless_status()
968 		return (asus->wireless_status & mask) ? 1 : 0;  in asus_wireless_status()
970 	rv = acpi_evaluate_integer(asus->handle, METHOD_WL_STATUS,  in asus_wireless_status()
974 		return -EINVAL;  in asus_wireless_status()
984 	if (write_acpi_int(asus->handle, METHOD_WLAN, !!status)) {  in asus_wlan_set()
986 		return -EIO;  in asus_wlan_set()
1013 	if (write_acpi_int(asus->handle, METHOD_BLUETOOTH, !!status)) {  in asus_bluetooth_set()
1015 		return -EIO;  in asus_bluetooth_set()
1043 	if (write_acpi_int(asus->handle, METHOD_WIMAX, !!status)) {  in asus_wimax_set()
1045 		return -EIO;  in asus_wimax_set()
1072 	if (write_acpi_int(asus->handle, METHOD_WWAN, !!status)) {  in asus_wwan_set()
1074 		return -EIO;  in asus_wwan_set()
1102 	if (write_acpi_int(asus->handle, METHOD_SWITCH_DISPLAY, value))  in asus_set_display()
1109  * the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI.
1136 	if (asus->is_pega_lucid) {  in asus_als_switch()
1141 		ret = write_acpi_int(asus->handle, METHOD_ALS_CONTROL, value);  in asus_als_switch()
1146 	asus->light_switch = value;  in asus_als_switch()
1154 	return sprintf(buf, "%d\n", asus->light_switch);  in ls_switch_show()
1175 	if (write_acpi_int(asus->handle, METHOD_ALS_LEVEL, value))  in asus_als_level()
1177 	asus->light_level = value;  in asus_als_level()
1185 	return sprintf(buf, "%d\n", asus->light_level);  in ls_level_show()
1209 	int err = write_acpi_int_ret(asus->handle, METHOD_PEGA_READ, arg,  in pega_int_read()
1213 		if (obj && obj->type == ACPI_TYPE_INTEGER)  in pega_int_read()
1214 			*result = obj->integer.value;  in pega_int_read()
1216 			err = -EIO;  in pega_int_read()
1225 	int err, hi, lo;  in ls_value_show()  local
1227 	err = pega_int_read(asus, PEGA_READ_ALS_H, &hi);  in ls_value_show()
1231 		return sprintf(buf, "%d\n", 10 * hi + lo);  in ls_value_show()
1244 	rv = acpi_evaluate_integer(asus->handle, METHOD_GPS_STATUS,  in asus_gps_status()
1248 		return -ENODEV;  in asus_gps_status()
1257 	if (write_acpi_int(asus->handle, meth, 0x02))  in asus_gps_switch()
1258 		return -ENODEV;  in asus_gps_switch()
1283 	rfkill_set_sw_state(asus->gps.rfkill, !value);  in gps_store()
1305 	struct asus_laptop *asus = rfk->asus;  in asus_rfkill_set()
1307 	if (rfk->control_id == WL_RSTS)  in asus_rfkill_set()
1309 	else if (rfk->control_id == BT_RSTS)  in asus_rfkill_set()
1311 	else if (rfk->control_id == WM_RSTS)  in asus_rfkill_set()
1313 	else if (rfk->control_id == WW_RSTS)  in asus_rfkill_set()
1316 	return -EINVAL;  in asus_rfkill_set()
1325 	if (!rfk->rfkill)  in asus_rfkill_terminate()
1328 	rfkill_unregister(rfk->rfkill);  in asus_rfkill_terminate()
1329 	rfkill_destroy(rfk->rfkill);  in asus_rfkill_terminate()
1330 	rfk->rfkill = NULL;  in asus_rfkill_terminate()
1335 	asus_rfkill_terminate(&asus->wwan);  in asus_rfkill_exit()
1336 	asus_rfkill_terminate(&asus->bluetooth);  in asus_rfkill_exit()
1337 	asus_rfkill_terminate(&asus->wlan);  in asus_rfkill_exit()
1338 	asus_rfkill_terminate(&asus->gps);  in asus_rfkill_exit()
1347 	rfk->control_id = control_id;  in asus_rfkill_setup()
1348 	rfk->asus = asus;  in asus_rfkill_setup()
1349 	rfk->rfkill = rfkill_alloc(name, &asus->platform_device->dev,  in asus_rfkill_setup()
1351 	if (!rfk->rfkill)  in asus_rfkill_setup()
1352 		return -EINVAL;  in asus_rfkill_setup()
1354 	result = rfkill_register(rfk->rfkill);  in asus_rfkill_setup()
1356 		rfkill_destroy(rfk->rfkill);  in asus_rfkill_setup()
1357 		rfk->rfkill = NULL;  in asus_rfkill_setup()
1367 	if (asus->is_pega_lucid)  in asus_rfkill_init()
1368 		return -ENODEV;  in asus_rfkill_init()
1370 	if (!acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) &&  in asus_rfkill_init()
1371 	    !acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) &&  in asus_rfkill_init()
1372 	    !acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL))  in asus_rfkill_init()
1373 		result = asus_rfkill_setup(asus, &asus->gps, "asus-gps",  in asus_rfkill_init()
1374 					   -1, RFKILL_TYPE_GPS,  in asus_rfkill_init()
1380 	if (!acpi_check_handle(asus->handle, METHOD_WLAN, NULL) &&  in asus_rfkill_init()
1381 	    asus->wled_type == TYPE_RFKILL)  in asus_rfkill_init()
1382 		result = asus_rfkill_setup(asus, &asus->wlan, "asus-wlan",  in asus_rfkill_init()
1388 	if (!acpi_check_handle(asus->handle, METHOD_BLUETOOTH, NULL) &&  in asus_rfkill_init()
1389 	    asus->bled_type == TYPE_RFKILL)  in asus_rfkill_init()
1390 		result = asus_rfkill_setup(asus, &asus->bluetooth,  in asus_rfkill_init()
1391 					   "asus-bluetooth", BT_RSTS,  in asus_rfkill_init()
1397 	if (!acpi_check_handle(asus->handle, METHOD_WWAN, NULL))  in asus_rfkill_init()
1398 		result = asus_rfkill_setup(asus, &asus->wwan, "asus-wwan",  in asus_rfkill_init()
1404 	if (!acpi_check_handle(asus->handle, METHOD_WIMAX, NULL))  in asus_rfkill_init()
1405 		result = asus_rfkill_setup(asus, &asus->wimax, "asus-wimax",  in asus_rfkill_init()
1422 	int ret = asus_pega_lucid_set(rfk->asus, rfk->control_id, !blocked);  in pega_rfkill_set()
1441 	if(!asus->is_pega_lucid)  in pega_rfkill_init()
1442 		return -ENODEV;  in pega_rfkill_init()
1444 	ret = pega_rfkill_setup(asus, &asus->wlan, "pega-wlan",  in pega_rfkill_init()
1449 	ret = pega_rfkill_setup(asus, &asus->bluetooth, "pega-bt",  in pega_rfkill_init()
1454 	ret = pega_rfkill_setup(asus, &asus->wwan, "pega-wwan",  in pega_rfkill_init()
1469 	if (!asus->inputdev)  in asus_input_notify()
1471 	if (!sparse_keymap_report_event(asus->inputdev, event, 1, true))  in asus_input_notify()
1482 		return -ENOMEM;  in asus_input_init()
1484 	input->name = "Asus Laptop extra buttons";  in asus_input_init()
1485 	input->phys = ASUS_LAPTOP_FILE "/input0";  in asus_input_init()
1486 	input->id.bustype = BUS_HOST;  in asus_input_init()
1487 	input->dev.parent = &asus->platform_device->dev;  in asus_input_init()
1500 	asus->inputdev = input;  in asus_input_init()
1510 	if (asus->inputdev)  in asus_input_exit()
1511 		input_unregister_device(asus->inputdev);  in asus_input_exit()
1512 	asus->inputdev = NULL;  in asus_input_exit()
1524 	count = asus->event_count[event % 128]++;  in asus_acpi_notify()
1525 	acpi_bus_generate_netlink_event(asus->device->pnp.device_class,  in asus_acpi_notify()
1526 					dev_name(&asus->device->dev), event,  in asus_acpi_notify()
1537 		if (asus->backlight_device != NULL) {  in asus_acpi_notify()
1545 	if (asus->pega_accel_poll && event == 0xEA) {  in asus_acpi_notify()
1546 		kobject_uevent(&asus->pega_accel_poll->dev.kobj, KOBJ_CHANGE);  in asus_acpi_notify()
1574 	acpi_handle handle = asus->handle;  in asus_sysfs_is_visible()
1577 	if (asus->is_pega_lucid) {  in asus_sysfs_is_visible()
1586 		return supported ? attr->mode : 0;  in asus_sysfs_is_visible()
1601 			!acpi_check_handle(asus->handle, METHOD_WIMAX, NULL);  in asus_sysfs_is_visible()
1604 		supported = !acpi_check_handle(asus->handle, METHOD_WWAN, NULL);  in asus_sysfs_is_visible()
1614 		supported = asus->is_pega_lucid;  in asus_sysfs_is_visible()
1623 	return supported ? attr->mode : 0;  in asus_sysfs_is_visible()
1636 	asus->platform_device = platform_device_alloc(ASUS_LAPTOP_FILE, PLATFORM_DEVID_NONE);  in asus_platform_init()
1637 	if (!asus->platform_device)  in asus_platform_init()
1638 		return -ENOMEM;  in asus_platform_init()
1639 	platform_set_drvdata(asus->platform_device, asus);  in asus_platform_init()
1641 	result = platform_device_add(asus->platform_device);  in asus_platform_init()
1645 	result = sysfs_create_group(&asus->platform_device->dev.kobj,  in asus_platform_init()
1653 	platform_device_del(asus->platform_device);  in asus_platform_init()
1655 	platform_device_put(asus->platform_device);  in asus_platform_init()
1661 	sysfs_remove_group(&asus->platform_device->dev.kobj, &asus_attr_group);  in asus_platform_exit()
1662 	platform_device_unregister(asus->platform_device);  in asus_platform_exit()
1687 	 * before doing anything ACPI-specific. Should we encounter a machine,  in asus_laptop_get_info()
1691 	status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus->dsdt_info);  in asus_laptop_get_info()
1696 	if (write_acpi_int_ret(asus->handle, "INIT", 0, &buffer)) {  in asus_laptop_get_info()
1698 		return -ENODEV;  in asus_laptop_get_info()
1703 	    acpi_evaluate_integer(asus->handle, "BSTS", NULL, &bsts_result);  in asus_laptop_get_info()
1711 	if (write_acpi_int(asus->handle, "CWAP", wapf))  in asus_laptop_get_info()
1721 		switch (model->type) {  in asus_laptop_get_info()
1723 			string = model->string.pointer;  in asus_laptop_get_info()
1726 			string = model->buffer.pointer;  in asus_laptop_get_info()
1733 	asus->name = kstrdup(string, GFP_KERNEL);  in asus_laptop_get_info()
1734 	if (!asus->name) {  in asus_laptop_get_info()
1736 		return -ENOMEM;  in asus_laptop_get_info()
1742 	if (!acpi_check_handle(asus->handle, METHOD_WL_STATUS, NULL))  in asus_laptop_get_info()
1743 		asus->have_rsts = true;  in asus_laptop_get_info()
1754 	result = acpi_bus_get_status(asus->device);  in asus_acpi_init()
1757 	if (!asus->device->status.present) {  in asus_acpi_init()
1759 		return -ENODEV;  in asus_acpi_init()
1767 		asus->bled_type = TYPE_LED;  in asus_acpi_init()
1769 		asus->bled_type = TYPE_RFKILL;  in asus_acpi_init()
1772 		asus->wled_type = TYPE_LED;  in asus_acpi_init()
1774 		asus->wled_type = TYPE_RFKILL;  in asus_acpi_init()
1789 	if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL))  in asus_acpi_init()
1793 	asus->ledd_status = 0xFFF;  in asus_acpi_init()
1796 	asus->light_switch = !!als_status;  in asus_acpi_init()
1797 	asus->light_level = 5;	/* level 5 for sensor sensitivity */  in asus_acpi_init()
1799 	if (asus->is_pega_lucid) {  in asus_acpi_init()
1800 		asus_als_switch(asus, asus->light_switch);  in asus_acpi_init()
1801 	} else if (!acpi_check_handle(asus->handle, METHOD_ALS_CONTROL, NULL) &&  in asus_acpi_init()
1802 		   !acpi_check_handle(asus->handle, METHOD_ALS_LEVEL, NULL)) {  in asus_acpi_init()
1803 		asus_als_switch(asus, asus->light_switch);  in asus_acpi_init()
1804 		asus_als_level(asus, asus->light_level);  in asus_acpi_init()
1820 		wlan_status = -1;  in asus_dmi_check()
1835 		return -ENOMEM;  in asus_acpi_add()
1836 	asus->handle = device->handle;  in asus_acpi_add()
1839 	device->driver_data = asus;  in asus_acpi_add()
1840 	asus->device = device;  in asus_acpi_add()
1850 	 * device.  It is used as a parent for the sub-devices below.  in asus_acpi_add()
1852 	asus->is_pega_lucid = asus_check_pega_lucid(asus);  in asus_acpi_add()
1872 	if (result && result != -ENODEV)  in asus_acpi_add()
1876 	if (result && result != -ENODEV)  in asus_acpi_add()
1880 	if (result && result != -ENODEV)  in asus_acpi_add()
1915 	kfree(asus->name);  in asus_acpi_remove()
1952 		result = -ENODEV;  in asus_laptop_init()