forked from Minki/linux
a50bd128f2
If the user bit is set, that mean BIOS can't set and record the wlan status, it will report the value read from id ASUS_WMI_DEVID_WLAN_LED (0x00010012) while we query the wlan status by id ASUS_WMI_DEVID_WLAN (0x00010011) through WMI. So, we have to record wlan status in id ASUS_WMI_DEVID_WLAN_LED (0x00010012) while setting the wlan status through WMI. This is also the behavior that windows app will do. Quote from ASUS application engineer === When you call WMIMethod(DSTS, 0x00010011) to get WLAN status, it may return (1) 0x00050001 (On) (2) 0x00050000 (Off) (3) 0x00030001 (On) (4) 0x00030000 (Off) (5) 0x00000002 (Unknown) (1), (2) means that the model has hardware GPIO for WLAN, you can call WMIMethod(DEVS, 0x00010011, 1 or 0) to turn WLAN on/off. (3), (4) means that the model doesn’t have hardware GPIO, you need to use API or driver library to turn WLAN on/off, and call WMIMethod(DEVS, 0x00010012, 1 or 0) to set WLAN LED status. After you set WLAN LED status, you can see the WLAN status is changed with WMIMethod(DSTS, 0x00010011). Because the status is recorded lastly (ex: Windows), you can use it for synchronization. (5) means that the model doesn’t have WLAN device. WLAN is the ONLY special case with upper rule. For other device, like Bluetooth, you just need use WMIMethod(DSTS, 0x00010013) to get, and WMIMethod(DEVS, 0x00010013, 1 or 0) to set. === Signed-off-by: AceLan Kao <acelan.kao@canonical.com> Signed-off-by: Matthew Garrett <mjg@redhat.com>
76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
/*
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* Asus PC WMI hotkey driver
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*
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* Copyright(C) 2010 Intel Corporation.
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* Copyright(C) 2010-2011 Corentin Chary <corentin.chary@gmail.com>
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*
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* Portions based on wistron_btns.c:
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* Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz>
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* Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org>
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* Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _ASUS_WMI_H_
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#define _ASUS_WMI_H_
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#include <linux/platform_device.h>
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#define ASUS_WMI_KEY_IGNORE (-1)
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struct module;
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struct key_entry;
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struct asus_wmi;
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struct quirk_entry {
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bool hotplug_wireless;
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bool scalar_panel_brightness;
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bool store_backlight_power;
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bool wmi_backlight_power;
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int wapf;
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};
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struct asus_wmi_driver {
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int brightness;
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int panel_power;
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int wlan_ctrl_by_user;
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const char *name;
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struct module *owner;
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const char *event_guid;
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const struct key_entry *keymap;
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const char *input_name;
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const char *input_phys;
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struct quirk_entry *quirks;
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/* Returns new code, value, and autorelease values in arguments.
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* Return ASUS_WMI_KEY_IGNORE in code if event should be ignored. */
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void (*key_filter) (struct asus_wmi_driver *driver, int *code,
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unsigned int *value, bool *autorelease);
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int (*probe) (struct platform_device *device);
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void (*detect_quirks) (struct asus_wmi_driver *driver);
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struct platform_driver platform_driver;
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struct platform_device *platform_device;
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};
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int asus_wmi_register_driver(struct asus_wmi_driver *driver);
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void asus_wmi_unregister_driver(struct asus_wmi_driver *driver);
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#endif /* !_ASUS_WMI_H_ */
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