1 // SPDX-License-Identifier: GPL-2.0-or-later
3  *  ideapad-laptop.c - Lenovo IdeaPad ACPI Extras
22 #include <linux/input/sparse-keymap.h>
36 #include <dt-bindings/leds/common.h>
42 	"26CAB2E5-5CF1-46AE-AAC3-4A12B6BA50E6", /* Yoga 3 */
43 	"56322276-8493-4CE8-A783-98C991274F5E", /* Yoga 700 */
44 	"8FC0DE0C-B4E4-43FD-B0F3-8871711C1294", /* Legion 5 */
159 	"Enable DYTC version 4 platform-profile support. "
160 	"If you need this please report this to: platform-driver-x86@vger.kernel.org");
166 	"If you need this please report this to: platform-driver-x86@vger.kernel.org");
171 	"Enable driver based updates of the fn-lock LED on fn-lock changes. "
172 	"If you need this please report this to: platform-driver-x86@vger.kernel.org");
186 		return -EIO;  in eval_int()
197 	return ACPI_FAILURE(status) ? -EIO : 0;  in exec_simple_method()
234 		return -EIO;  in eval_int_with_arg()
267 		return -EIO;  in eval_vpcw()
296 	return -ETIMEDOUT;  in read_ec_data()
327 	return -ETIMEDOUT;  in write_ec_cmd()
335 	struct ideapad_private *priv = s->private;  in debugfs_status_show()
338 	if (!read_ec_data(priv->adev->handle, VPCCMD_R_BL_MAX, &value))  in debugfs_status_show()
340 	if (!read_ec_data(priv->adev->handle, VPCCMD_R_BL, &value))  in debugfs_status_show()
342 	if (!read_ec_data(priv->adev->handle, VPCCMD_R_BL_POWER, &value))  in debugfs_status_show()
347 	if (!read_ec_data(priv->adev->handle, VPCCMD_R_RF, &value))  in debugfs_status_show()
349 	if (!read_ec_data(priv->adev->handle, VPCCMD_R_WIFI, &value))  in debugfs_status_show()
351 	if (!read_ec_data(priv->adev->handle, VPCCMD_R_BT, &value))  in debugfs_status_show()
353 	if (!read_ec_data(priv->adev->handle, VPCCMD_R_3G, &value))  in debugfs_status_show()
358 	if (!read_ec_data(priv->adev->handle, VPCCMD_R_TOUCHPAD, &value))  in debugfs_status_show()
360 	if (!read_ec_data(priv->adev->handle, VPCCMD_R_CAMERA, &value))  in debugfs_status_show()
365 	if (!eval_gbmd(priv->adev->handle, &value))  in debugfs_status_show()
367 	if (!eval_hals(priv->adev->handle, &value))  in debugfs_status_show()
376 	struct ideapad_private *priv = s->private;  in debugfs_cfg_show()
378 	seq_printf(s, "_CFG: %#010lx\n\n", priv->cfg);  in debugfs_cfg_show()
381 	if (test_bit(CFG_CAP_BT_BIT, &priv->cfg))  in debugfs_cfg_show()
383 	if (test_bit(CFG_CAP_3G_BIT, &priv->cfg))  in debugfs_cfg_show()
385 	if (test_bit(CFG_CAP_WIFI_BIT, &priv->cfg))  in debugfs_cfg_show()
387 	if (test_bit(CFG_CAP_CAM_BIT, &priv->cfg))  in debugfs_cfg_show()
389 	if (test_bit(CFG_CAP_TOUCHPAD_BIT, &priv->cfg))  in debugfs_cfg_show()
394 	switch (priv->cfg & 0x700) {  in debugfs_cfg_show()
422 	priv->debug = dir;  in ideapad_debugfs_init()
430 	debugfs_remove_recursive(priv->debug);  in ideapad_debugfs_exit()
431 	priv->debug = NULL;  in ideapad_debugfs_exit()
445 	err = read_ec_data(priv->adev->handle, VPCCMD_R_CAMERA, &result);  in camera_power_show()
464 	err = write_ec_cmd(priv->adev->handle, VPCCMD_W_CAMERA, state);  in camera_power_store()
481 	err = eval_gbmd(priv->adev->handle, &result);  in conservation_mode_show()
500 	err = exec_sbmc(priv->adev->handle, state ? SBMC_CONSERVATION_ON : SBMC_CONSERVATION_OFF);  in conservation_mode_store()
517 	err = read_ec_data(priv->adev->handle, VPCCMD_R_FAN, &result);  in fan_mode_show()
537 		return -EINVAL;  in fan_mode_store()
539 	err = write_ec_cmd(priv->adev->handle, VPCCMD_W_FAN, state);  in fan_mode_store()
556 	err = eval_hals(priv->adev->handle, &hals);  in fn_lock_show()
575 	err = exec_sals(priv->adev->handle, state ? SALS_FNLOCK_ON : SALS_FNLOCK_OFF);  in fn_lock_store()
592 	err = read_ec_data(priv->adev->handle, VPCCMD_R_TOUCHPAD, &result);  in touchpad_show()
611 	err = write_ec_cmd(priv->adev->handle, VPCCMD_W_TOUCHPAD, state);  in touchpad_store()
628 	err = eval_hals(priv->adev->handle, &hals);  in usb_charging_show()
647 	err = exec_sals(priv->adev->handle, state ? SALS_USB_CHARGING_ON : SALS_USB_CHARGING_OFF);  in usb_charging_store()
675 		supported = test_bit(CFG_CAP_CAM_BIT, &priv->cfg);  in ideapad_is_visible()
677 		supported = priv->features.conservation_mode;  in ideapad_is_visible()
679 		supported = priv->features.fan_mode;  in ideapad_is_visible()
681 		supported = priv->features.fn_lock;  in ideapad_is_visible()
683 		supported = priv->features.touchpad_ctrl_via_ec &&  in ideapad_is_visible()
684 			    test_bit(CFG_CAP_TOUCHPAD_BIT, &priv->cfg);  in ideapad_is_visible()
686 		supported = priv->features.usb_charging;  in ideapad_is_visible()
688 	return supported ? attr->mode : 0;  in ideapad_is_visible()
697  * DYTC Platform profile
699 #define DYTC_CMD_QUERY        0 /* To get DYTC status - enable/revision */
704 #define DYTC_QUERY_ENABLE_BIT 8  /* Bit        8 - 0 = disabled, 1 = enabled */
705 #define DYTC_QUERY_SUBREV_BIT 16 /* Bits 16 - 27 - sub revision */
706 #define DYTC_QUERY_REV_BIT    28 /* Bits 28 - 31 - revision */
708 #define DYTC_GET_FUNCTION_BIT 8  /* Bits  8-11 - function setting */
709 #define DYTC_GET_MODE_BIT     12 /* Bits 12-15 - mode setting */
711 #define DYTC_SET_FUNCTION_BIT 12 /* Bits 12-15 - function setting */
712 #define DYTC_SET_MODE_BIT     16 /* Bits 16-19 - mode setting */
713 #define DYTC_SET_VALID_BIT    20 /* Bit     20 - 1 = on, 0 = off */
732 static int convert_dytc_to_profile(int dytcmode, enum platform_profile_option *profile)  in convert_dytc_to_profile()  argument
736 		*profile = PLATFORM_PROFILE_LOW_POWER;  in convert_dytc_to_profile()
739 		*profile =  PLATFORM_PROFILE_BALANCED;  in convert_dytc_to_profile()
742 		*profile =  PLATFORM_PROFILE_PERFORMANCE;  in convert_dytc_to_profile()
745 		return -EINVAL;  in convert_dytc_to_profile()
751 static int convert_profile_to_dytc(enum platform_profile_option profile, int *perfmode)  in convert_profile_to_dytc()  argument
753 	switch (profile) {  in convert_profile_to_dytc()
763 	default: /* Unknown profile */  in convert_profile_to_dytc()
764 		return -EOPNOTSUPP;  in convert_profile_to_dytc()
772  * handler. Returns current platform profile.
775 			    enum platform_profile_option *profile)  in dytc_profile_get()  argument
779 	*profile = dytc->current_profile;  in dytc_profile_get()
784  * Helper function - check if we are in CQL mode and if we are
785  *  - disable CQL,
786  *  - run the command
787  *  - enable CQL
796 	err = eval_dytc(priv->adev->handle, DYTC_CMD_GET, output);  in dytc_cql_command()
806 		err = eval_dytc(priv->adev->handle, DYTC_DISABLE_CQL, NULL);  in dytc_cql_command()
811 	cmd_err = eval_dytc(priv->adev->handle, cmd, output);  in dytc_cql_command()
815 		err = eval_dytc(priv->adev->handle, DYTC_ENABLE_CQL, NULL);  in dytc_cql_command()
825  * handler. Sets current platform profile.
828 			    enum platform_profile_option profile)  in dytc_profile_set()  argument
831 	struct ideapad_private *priv = dytc->priv;  in dytc_profile_set()
835 	err = mutex_lock_interruptible(&dytc->mutex);  in dytc_profile_set()
839 	if (profile == PLATFORM_PROFILE_BALANCED) {  in dytc_profile_set()
841 		err = eval_dytc(priv->adev->handle, DYTC_CMD_RESET, NULL);  in dytc_profile_set()
847 		err = convert_profile_to_dytc(profile, &perfmode);  in dytc_profile_set()
858 	/* Success - update current profile */  in dytc_profile_set()
859 	dytc->current_profile = profile;  in dytc_profile_set()
862 	mutex_unlock(&dytc->mutex);  in dytc_profile_set()
869 	enum platform_profile_option profile;  in dytc_profile_refresh()  local
873 	mutex_lock(&priv->dytc->mutex);  in dytc_profile_refresh()
875 	mutex_unlock(&priv->dytc->mutex);  in dytc_profile_refresh()
881 	if (convert_dytc_to_profile(perfmode, &profile))  in dytc_profile_refresh()
884 	if (profile != priv->dytc->current_profile) {  in dytc_profile_refresh()
885 		priv->dytc->current_profile = profile;  in dytc_profile_refresh()
913 	if (!priv->features.dytc)  in ideapad_dytc_profile_init()
914 		return -ENODEV;  in ideapad_dytc_profile_init()
916 	err = eval_dytc(priv->adev->handle, DYTC_CMD_QUERY, &output);  in ideapad_dytc_profile_init()
923 		dev_info(&priv->platform_device->dev, "DYTC_QUERY_ENABLE_BIT returned false\n");  in ideapad_dytc_profile_init()
924 		return -ENODEV;  in ideapad_dytc_profile_init()
930 		dev_info(&priv->platform_device->dev, "DYTC_VERSION < 4 is not supported\n");  in ideapad_dytc_profile_init()
931 		return -ENODEV;  in ideapad_dytc_profile_init()
936 		dev_info(&priv->platform_device->dev,  in ideapad_dytc_profile_init()
938 		return -ENODEV;  in ideapad_dytc_profile_init()
941 	priv->dytc = kzalloc(sizeof(*priv->dytc), GFP_KERNEL);  in ideapad_dytc_profile_init()
942 	if (!priv->dytc)  in ideapad_dytc_profile_init()
943 		return -ENOMEM;  in ideapad_dytc_profile_init()
945 	mutex_init(&priv->dytc->mutex);  in ideapad_dytc_profile_init()
947 	priv->dytc->priv = priv;  in ideapad_dytc_profile_init()
948 	priv->dytc->pprof.profile_get = dytc_profile_get;  in ideapad_dytc_profile_init()
949 	priv->dytc->pprof.profile_set = dytc_profile_set;  in ideapad_dytc_profile_init()
952 	set_bit(PLATFORM_PROFILE_LOW_POWER, priv->dytc->pprof.choices);  in ideapad_dytc_profile_init()
953 	set_bit(PLATFORM_PROFILE_BALANCED, priv->dytc->pprof.choices);  in ideapad_dytc_profile_init()
954 	set_bit(PLATFORM_PROFILE_PERFORMANCE, priv->dytc->pprof.choices);  in ideapad_dytc_profile_init()
957 	err = platform_profile_register(&priv->dytc->pprof);  in ideapad_dytc_profile_init()
967 	mutex_destroy(&priv->dytc->mutex);  in ideapad_dytc_profile_init()
968 	kfree(priv->dytc);  in ideapad_dytc_profile_init()
969 	priv->dytc = NULL;  in ideapad_dytc_profile_init()
976 	if (!priv->dytc)  in ideapad_dytc_profile_exit()
980 	mutex_destroy(&priv->dytc->mutex);  in ideapad_dytc_profile_exit()
981 	kfree(priv->dytc);  in ideapad_dytc_profile_exit()
983 	priv->dytc = NULL;  in ideapad_dytc_profile_exit()
1005 	int opcode = ideapad_rfk_data[priv->dev].opcode;  in ideapad_rfk_set()
1007 	return write_ec_cmd(priv->priv->adev->handle, opcode, !blocked);  in ideapad_rfk_set()
1019 	if (priv->features.hw_rfkill_switch) {  in ideapad_sync_rfk_state()
1020 		if (read_ec_data(priv->adev->handle, VPCCMD_R_RF, &hw_blocked))  in ideapad_sync_rfk_state()
1026 		if (priv->rfk[i])  in ideapad_sync_rfk_state()
1027 			rfkill_set_hw_state(priv->rfk[i], hw_blocked);  in ideapad_sync_rfk_state()
1037 		write_ec_cmd(priv->adev->handle, ideapad_rfk_data[dev].opcode, 1);  in ideapad_register_rfkill()
1041 	priv->rfk_priv[dev].dev = dev;  in ideapad_register_rfkill()
1042 	priv->rfk_priv[dev].priv = priv;  in ideapad_register_rfkill()
1044 	priv->rfk[dev] = rfkill_alloc(ideapad_rfk_data[dev].name,  in ideapad_register_rfkill()
1045 				      &priv->platform_device->dev,  in ideapad_register_rfkill()
1048 				      &priv->rfk_priv[dev]);  in ideapad_register_rfkill()
1049 	if (!priv->rfk[dev])  in ideapad_register_rfkill()
1050 		return -ENOMEM;  in ideapad_register_rfkill()
1052 	err = read_ec_data(priv->adev->handle, ideapad_rfk_data[dev].opcode - 1, &rf_enabled);  in ideapad_register_rfkill()
1056 	rfkill_init_sw_state(priv->rfk[dev], !rf_enabled);  in ideapad_register_rfkill()
1058 	err = rfkill_register(priv->rfk[dev]);  in ideapad_register_rfkill()
1060 		rfkill_destroy(priv->rfk[dev]);  in ideapad_register_rfkill()
1067 	if (!priv->rfk[dev])  in ideapad_unregister_rfkill()
1070 	rfkill_unregister(priv->rfk[dev]);  in ideapad_unregister_rfkill()
1071 	rfkill_destroy(priv->rfk[dev]);  in ideapad_unregister_rfkill()
1079 	return device_add_group(&priv->platform_device->dev,  in ideapad_sysfs_init()
1085 	device_remove_group(&priv->platform_device->dev,  in ideapad_sysfs_exit()
1115 		return -ENOMEM;  in ideapad_input_init()
1117 	inputdev->name = "Ideapad extra buttons";  in ideapad_input_init()
1118 	inputdev->phys = "ideapad/input0";  in ideapad_input_init()
1119 	inputdev->id.bustype = BUS_HOST;  in ideapad_input_init()
1120 	inputdev->dev.parent = &priv->platform_device->dev;  in ideapad_input_init()
1124 		dev_err(&priv->platform_device->dev,  in ideapad_input_init()
1131 		dev_err(&priv->platform_device->dev,  in ideapad_input_init()
1136 	priv->inputdev = inputdev;  in ideapad_input_init()
1148 	input_unregister_device(priv->inputdev);  in ideapad_input_exit()
1149 	priv->inputdev = NULL;  in ideapad_input_exit()
1155 	sparse_keymap_report_event(priv->inputdev, scancode, 1, true);  in ideapad_input_report()
1162 	if (read_ec_data(priv->adev->handle, VPCCMD_R_NOVO, &long_pressed))  in ideapad_input_novokey()
1175 	if (read_ec_data(priv->adev->handle, VPCCMD_R_SPECIAL_BUTTONS, &value))  in ideapad_check_special_buttons()
1190 			dev_info(&priv->platform_device->dev,  in ideapad_check_special_buttons()
1206 	err = read_ec_data(priv->adev->handle, VPCCMD_R_BL, &now);  in ideapad_backlight_get_brightness()
1218 	err = write_ec_cmd(priv->adev->handle, VPCCMD_W_BL,  in ideapad_backlight_update_status()
1219 			   blightdev->props.brightness);  in ideapad_backlight_update_status()
1223 	err = write_ec_cmd(priv->adev->handle, VPCCMD_W_BL_POWER,  in ideapad_backlight_update_status()
1224 			   blightdev->props.power != FB_BLANK_POWERDOWN);  in ideapad_backlight_update_status()
1243 	err = read_ec_data(priv->adev->handle, VPCCMD_R_BL_MAX, &max);  in ideapad_backlight_init()
1247 	err = read_ec_data(priv->adev->handle, VPCCMD_R_BL, &now);  in ideapad_backlight_init()
1251 	err = read_ec_data(priv->adev->handle, VPCCMD_R_BL_POWER, &power);  in ideapad_backlight_init()
1261 					      &priv->platform_device->dev,  in ideapad_backlight_init()
1267 		dev_err(&priv->platform_device->dev,  in ideapad_backlight_init()
1272 	priv->blightdev = blightdev;  in ideapad_backlight_init()
1273 	blightdev->props.brightness = now;  in ideapad_backlight_init()
1274 	blightdev->props.power = power ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;  in ideapad_backlight_init()
1283 	backlight_device_unregister(priv->blightdev);  in ideapad_backlight_exit()
1284 	priv->blightdev = NULL;  in ideapad_backlight_exit()
1289 	struct backlight_device *blightdev = priv->blightdev;  in ideapad_backlight_notify_power()
1295 	if (read_ec_data(priv->adev->handle, VPCCMD_R_BL_POWER, &power))  in ideapad_backlight_notify_power()
1298 	blightdev->props.power = power ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;  in ideapad_backlight_notify_power()
1306 	if (!priv->blightdev)  in ideapad_backlight_notify_brightness()
1307 		read_ec_data(priv->adev->handle, VPCCMD_R_BL, &now);  in ideapad_backlight_notify_brightness()
1309 		backlight_force_update(priv->blightdev, BACKLIGHT_UPDATE_HOTKEY);  in ideapad_backlight_notify_brightness()
1320 	err = eval_hals(priv->adev->handle, &hals);  in ideapad_kbd_bl_brightness_get()
1336 	int err = exec_sals(priv->adev->handle, brightness ? SALS_KBD_BL_ON : SALS_KBD_BL_OFF);  in ideapad_kbd_bl_brightness_set()
1341 	priv->kbd_bl.last_brightness = brightness;  in ideapad_kbd_bl_brightness_set()
1358 	if (!priv->kbd_bl.initialized)  in ideapad_kbd_bl_notify()
1365 	if (brightness == priv->kbd_bl.last_brightness)  in ideapad_kbd_bl_notify()
1368 	priv->kbd_bl.last_brightness = brightness;  in ideapad_kbd_bl_notify()
1370 	led_classdev_notify_brightness_hw_changed(&priv->kbd_bl.led, brightness);  in ideapad_kbd_bl_notify()
1377 	if (!priv->features.kbd_bl)  in ideapad_kbd_bl_init()
1378 		return -ENODEV;  in ideapad_kbd_bl_init()
1380 	if (WARN_ON(priv->kbd_bl.initialized))  in ideapad_kbd_bl_init()
1381 		return -EEXIST;  in ideapad_kbd_bl_init()
1387 	priv->kbd_bl.last_brightness = brightness;  in ideapad_kbd_bl_init()
1389 	priv->kbd_bl.led.name                    = "platform::" LED_FUNCTION_KBD_BACKLIGHT;  in ideapad_kbd_bl_init()
1390 	priv->kbd_bl.led.max_brightness          = 1;  in ideapad_kbd_bl_init()
1391 	priv->kbd_bl.led.brightness_get          = ideapad_kbd_bl_led_cdev_brightness_get;  in ideapad_kbd_bl_init()
1392 	priv->kbd_bl.led.brightness_set_blocking = ideapad_kbd_bl_led_cdev_brightness_set;  in ideapad_kbd_bl_init()
1393 	priv->kbd_bl.led.flags                   = LED_BRIGHT_HW_CHANGED;  in ideapad_kbd_bl_init()
1395 	err = led_classdev_register(&priv->platform_device->dev, &priv->kbd_bl.led);  in ideapad_kbd_bl_init()
1399 	priv->kbd_bl.initialized = true;  in ideapad_kbd_bl_init()
1406 	if (!priv->kbd_bl.initialized)  in ideapad_kbd_bl_exit()
1409 	priv->kbd_bl.initialized = false;  in ideapad_kbd_bl_exit()
1411 	led_classdev_unregister(&priv->kbd_bl.led);  in ideapad_kbd_bl_exit()
1421 	if (!priv->features.touchpad_ctrl_via_ec)  in ideapad_sync_touchpad_state()
1425 	if (!read_ec_data(priv->adev->handle, VPCCMD_R_TOUCHPAD, &value)) {  in ideapad_sync_touchpad_state()
1428 		 * Some IdeaPads don't really turn off touchpad - they only  in ideapad_sync_touchpad_state()
1435 		sysfs_notify(&priv->platform_device->dev.kobj, NULL, "touchpad");  in ideapad_sync_touchpad_state()
1463 			 * This event gets send on a Yoga 300-11IBR when the EC  in ideapad_acpi_notify()
1467 			 * windows service calling a DSM on the DUAL250E ACPI-  in ideapad_acpi_notify()
1491 			 * seconds while on battery power; some  in ideapad_acpi_notify()
1502 			dev_info(&priv->platform_device->dev,  in ideapad_acpi_notify()
1519 		if (!priv->features.set_fn_lock_led)  in ideapad_wmi_notify()
1522 		if (!eval_hals(priv->adev->handle, &result)) {  in ideapad_wmi_notify()
1525 			exec_sals(priv->adev->handle, state ? SALS_FNLOCK_ON : SALS_FNLOCK_OFF);  in ideapad_wmi_notify()
1529 		dev_info(&priv->platform_device->dev,  in ideapad_wmi_notify()
1550  * switch causing ideapad_laptop to wrongly report all radios as hw-blocked.
1553  * More importantly wrongly reporting the wifi radio as hw-blocked, results in
1554  * non working wifi. Whereas not reporting it hw-blocked, when it actually is
1555  * hw-blocked results in an empty SSID list, which is a much more benign
1575 	.ident = "ZhaoYang K4e-IML",
1578 		DMI_MATCH(DMI_PRODUCT_VERSION, "ZhaoYang K4e-IML"),
1586 	acpi_handle handle = priv->adev->handle;  in ideapad_check_features()
1589 	priv->features.set_fn_lock_led =  in ideapad_check_features()
1591 	priv->features.hw_rfkill_switch =  in ideapad_check_features()
1595 	if (acpi_dev_present("ELAN0634", NULL, -1))  in ideapad_check_features()
1596 		priv->features.touchpad_ctrl_via_ec = 0;  in ideapad_check_features()
1598 		priv->features.touchpad_ctrl_via_ec = 0;  in ideapad_check_features()
1600 		priv->features.touchpad_ctrl_via_ec = 1;  in ideapad_check_features()
1603 		priv->features.fan_mode = true;  in ideapad_check_features()
1606 		priv->features.conservation_mode = true;  in ideapad_check_features()
1609 		priv->features.dytc = true;  in ideapad_check_features()
1614 				priv->features.fn_lock = true;  in ideapad_check_features()
1617 				priv->features.kbd_bl = true;  in ideapad_check_features()
1620 				priv->features.usb_charging = true;  in ideapad_check_features()
1627 	struct acpi_device *adev = ACPI_COMPANION(&pdev->dev);  in ideapad_acpi_add()
1633 	if (!adev || eval_int(adev->handle, "_CFG", &cfg))  in ideapad_acpi_add()
1634 		return -ENODEV;  in ideapad_acpi_add()
1636 	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);  in ideapad_acpi_add()
1638 		return -ENOMEM;  in ideapad_acpi_add()
1640 	dev_set_drvdata(&pdev->dev, priv);  in ideapad_acpi_add()
1642 	priv->cfg = cfg;  in ideapad_acpi_add()
1643 	priv->adev = adev;  in ideapad_acpi_add()
1644 	priv->platform_device = pdev;  in ideapad_acpi_add()
1660 		if (err != -ENODEV)  in ideapad_acpi_add()
1661 			dev_warn(&pdev->dev, "Could not set up keyboard backlight LED: %d\n", err);  in ideapad_acpi_add()
1663 			dev_info(&pdev->dev, "Keyboard backlight control not available\n");  in ideapad_acpi_add()
1667 	 * On some models without a hw-switch (the yoga 2 13 at least)  in ideapad_acpi_add()
1670 	if (!priv->features.hw_rfkill_switch)  in ideapad_acpi_add()
1671 		write_ec_cmd(priv->adev->handle, VPCCMD_W_RF, 1);  in ideapad_acpi_add()
1674 	if (!priv->features.touchpad_ctrl_via_ec)  in ideapad_acpi_add()
1675 		write_ec_cmd(priv->adev->handle, VPCCMD_W_TOUCHPAD, 1);  in ideapad_acpi_add()
1678 		if (test_bit(ideapad_rfk_data[i].cfgbit, &priv->cfg))  in ideapad_acpi_add()
1686 		if (err != -ENODEV)  in ideapad_acpi_add()
1687 			dev_warn(&pdev->dev, "Could not set up DYTC interface: %d\n", err);  in ideapad_acpi_add()
1689 			dev_info(&pdev->dev, "DYTC interface is not available\n");  in ideapad_acpi_add()
1694 		if (err && err != -ENODEV)  in ideapad_acpi_add()
1698 	status = acpi_install_notify_handler(adev->handle,  in ideapad_acpi_add()
1702 		err = -EIO;  in ideapad_acpi_add()
1711 			priv->fnesc_guid = ideapad_wmi_fnesc_events[i];  in ideapad_acpi_add()
1717 		err = -EIO;  in ideapad_acpi_add()
1726 	acpi_remove_notify_handler(priv->adev->handle,  in ideapad_acpi_add()
1752 	struct ideapad_private *priv = dev_get_drvdata(&pdev->dev);  in ideapad_acpi_remove()
1756 	if (priv->fnesc_guid)  in ideapad_acpi_remove()
1757 		wmi_remove_notify_handler(priv->fnesc_guid);  in ideapad_acpi_remove()
1760 	acpi_remove_notify_handler(priv->adev->handle,  in ideapad_acpi_remove()
1786 	if (priv->dytc)  in ideapad_acpi_resume()