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c874b6de4c
Some laptops have a fan device listed in their ACPI tables but do not actually contain a fan. Introduce a quirk that can be used to override the fan detection logic. This was observed with a ASUS VivoBook E410MA running firmware E410MAB.304. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Link: https://lore.kernel.org/r/20221221-asus-fan-v1-1-e07f3949725b@weissschuh.net Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
86 lines
2.3 KiB
C
86 lines
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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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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#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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#include <linux/i8042.h>
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#define ASUS_WMI_KEY_IGNORE (-1)
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#define ASUS_WMI_BRN_DOWN 0x20
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#define ASUS_WMI_BRN_UP 0x2f
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struct module;
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struct key_entry;
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struct asus_wmi;
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enum asus_wmi_tablet_switch_mode {
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asus_wmi_no_tablet_switch,
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asus_wmi_kbd_dock_devid,
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asus_wmi_lid_flip_devid,
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asus_wmi_lid_flip_rog_devid,
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};
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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_set_devstate;
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bool wmi_force_als_set;
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bool wmi_ignore_fan;
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enum asus_wmi_tablet_switch_mode tablet_switch_mode;
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int wapf;
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/*
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* For machines with AMD graphic chips, it will send out WMI event
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* and ACPI interrupt at the same time while hitting the hotkey.
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* To simplify the problem, we just have to ignore the WMI event,
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* and let the ACPI interrupt to send out the key event.
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*/
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int no_display_toggle;
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u32 xusb2pr;
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bool (*i8042_filter)(unsigned char data, unsigned char str,
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struct serio *serio);
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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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