10d7ff74b6
On some Asus devices, e.g. the T100TA, when the charger is connected we not only get a WMI event with code 0x58, but immediately after that event we also get an even with code 0x79. This is likely related to these devices having an Asus WMI device with a device-id of 0x00120066, which seems to provide some sort of charger-type info. The T100TA charger over a micro-USB connector, the embedded- controller register read when calling asus_wmi_get_devstate(0x00120066) returns different values when connected to a USB port (max 500mA charging) vs when connected to a 2A capable wall-charger. But the AML code reading this mangles the return value so that we can no longer tell the difference. So for now the meaning of the value return when getting the status of device-id 0x00120066 is unclear. This commit adds a key-mapping of code 0x79 to KE_IGNORE, silencing the kernel logging the following message every time the charger is plugged-in: [ 79.639548] asus_wmi: Unknown key 79 pressed Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
532 lines
15 KiB
C
532 lines
15 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Asus Notebooks WMI hotkey driver
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*
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* Copyright(C) 2010 Corentin Chary <corentin.chary@gmail.com>
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*/
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/input.h>
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#include <linux/input/sparse-keymap.h>
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#include <linux/fb.h>
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#include <linux/dmi.h>
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#include <linux/i8042.h>
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#include "asus-wmi.h"
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#define ASUS_NB_WMI_FILE "asus-nb-wmi"
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MODULE_AUTHOR("Corentin Chary <corentin.chary@gmail.com>");
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MODULE_DESCRIPTION("Asus Notebooks WMI Hotkey Driver");
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MODULE_LICENSE("GPL");
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#define ASUS_NB_WMI_EVENT_GUID "0B3CBB35-E3C2-45ED-91C2-4C5A6D195D1C"
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MODULE_ALIAS("wmi:"ASUS_NB_WMI_EVENT_GUID);
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/*
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* WAPF defines the behavior of the Fn+Fx wlan key
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* The significance of values is yet to be found, but
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* most of the time:
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* Bit | Bluetooth | WLAN
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* 0 | Hardware | Hardware
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* 1 | Hardware | Software
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* 4 | Software | Software
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*/
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static int wapf = -1;
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module_param(wapf, uint, 0444);
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MODULE_PARM_DESC(wapf, "WAPF value");
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static struct quirk_entry *quirks;
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static bool asus_q500a_i8042_filter(unsigned char data, unsigned char str,
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struct serio *port)
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{
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static bool extended;
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bool ret = false;
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if (str & I8042_STR_AUXDATA)
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return false;
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if (unlikely(data == 0xe1)) {
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extended = true;
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ret = true;
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} else if (unlikely(extended)) {
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extended = false;
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ret = true;
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}
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return ret;
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}
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static struct quirk_entry quirk_asus_unknown = {
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.wapf = 0,
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.wmi_backlight_set_devstate = true,
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};
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static struct quirk_entry quirk_asus_q500a = {
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.i8042_filter = asus_q500a_i8042_filter,
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.wmi_backlight_set_devstate = true,
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};
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/*
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* For those machines that need software to control bt/wifi status
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* and can't adjust brightness through ACPI interface
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* and have duplicate events(ACPI and WMI) for display toggle
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*/
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static struct quirk_entry quirk_asus_x55u = {
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.wapf = 4,
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.wmi_backlight_power = true,
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.wmi_backlight_set_devstate = true,
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.no_display_toggle = true,
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};
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static struct quirk_entry quirk_asus_wapf4 = {
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.wapf = 4,
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.wmi_backlight_set_devstate = true,
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};
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static struct quirk_entry quirk_asus_x200ca = {
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.wapf = 2,
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.wmi_backlight_set_devstate = true,
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};
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static struct quirk_entry quirk_asus_ux303ub = {
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.wmi_backlight_native = true,
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.wmi_backlight_set_devstate = true,
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};
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static struct quirk_entry quirk_asus_x550lb = {
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.wmi_backlight_set_devstate = true,
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.xusb2pr = 0x01D9,
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};
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static struct quirk_entry quirk_asus_forceals = {
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.wmi_backlight_set_devstate = true,
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.wmi_force_als_set = true,
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};
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static int dmi_matched(const struct dmi_system_id *dmi)
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{
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pr_info("Identified laptop model '%s'\n", dmi->ident);
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quirks = dmi->driver_data;
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return 1;
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}
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static const struct dmi_system_id asus_quirks[] = {
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. Q500A",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "Q500A"),
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},
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.driver_data = &quirk_asus_q500a,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. U32U",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
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DMI_MATCH(DMI_PRODUCT_NAME, "U32U"),
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},
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/*
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* Note this machine has a Brazos APU, and most Brazos Asus
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* machines need quirk_asus_x55u / wmi_backlight_power but
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* here acpi-video seems to work fine for backlight control.
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*/
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.driver_data = &quirk_asus_wapf4,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. X302UA",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "X302UA"),
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},
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.driver_data = &quirk_asus_wapf4,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. X401U",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "X401U"),
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},
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.driver_data = &quirk_asus_x55u,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. X401A",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "X401A"),
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},
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.driver_data = &quirk_asus_wapf4,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. X401A1",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "X401A1"),
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},
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.driver_data = &quirk_asus_wapf4,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. X45U",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "X45U"),
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},
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.driver_data = &quirk_asus_wapf4,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. X456UA",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "X456UA"),
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},
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.driver_data = &quirk_asus_wapf4,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. X456UF",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "X456UF"),
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},
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.driver_data = &quirk_asus_wapf4,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. X501U",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "X501U"),
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},
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.driver_data = &quirk_asus_x55u,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. X501A",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "X501A"),
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},
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.driver_data = &quirk_asus_wapf4,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. X501A1",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "X501A1"),
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},
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.driver_data = &quirk_asus_wapf4,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. X550CA",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "X550CA"),
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},
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.driver_data = &quirk_asus_wapf4,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. X550CC",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "X550CC"),
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},
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.driver_data = &quirk_asus_wapf4,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. X550CL",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "X550CL"),
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},
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.driver_data = &quirk_asus_wapf4,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. X550VB",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "X550VB"),
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},
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.driver_data = &quirk_asus_wapf4,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. X551CA",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "X551CA"),
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},
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.driver_data = &quirk_asus_wapf4,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. X55A",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "X55A"),
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},
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.driver_data = &quirk_asus_wapf4,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. X55C",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "X55C"),
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},
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.driver_data = &quirk_asus_wapf4,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. X55U",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "X55U"),
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},
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.driver_data = &quirk_asus_x55u,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. X55VD",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "X55VD"),
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},
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.driver_data = &quirk_asus_wapf4,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. X75A",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "X75A"),
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},
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.driver_data = &quirk_asus_wapf4,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. X75VBP",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "X75VBP"),
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},
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.driver_data = &quirk_asus_wapf4,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. X75VD",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "X75VD"),
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},
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.driver_data = &quirk_asus_wapf4,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. 1015E",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "1015E"),
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},
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.driver_data = &quirk_asus_wapf4,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. 1015U",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "1015U"),
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},
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.driver_data = &quirk_asus_wapf4,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. X200CA",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "X200CA"),
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},
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.driver_data = &quirk_asus_x200ca,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. UX303UB",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "UX303UB"),
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},
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.driver_data = &quirk_asus_ux303ub,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. UX330UAK",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "UX330UAK"),
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},
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.driver_data = &quirk_asus_forceals,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. X550LB",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "X550LB"),
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},
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.driver_data = &quirk_asus_x550lb,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. UX430UQ",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "UX430UQ"),
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},
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.driver_data = &quirk_asus_forceals,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. UX430UNR",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "UX430UNR"),
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},
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.driver_data = &quirk_asus_forceals,
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},
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{},
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};
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static void asus_nb_wmi_quirks(struct asus_wmi_driver *driver)
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{
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int ret;
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quirks = &quirk_asus_unknown;
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dmi_check_system(asus_quirks);
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driver->quirks = quirks;
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driver->panel_power = FB_BLANK_UNBLANK;
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/* overwrite the wapf setting if the wapf paramater is specified */
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if (wapf != -1)
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quirks->wapf = wapf;
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else
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wapf = quirks->wapf;
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if (quirks->i8042_filter) {
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ret = i8042_install_filter(quirks->i8042_filter);
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if (ret) {
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pr_warn("Unable to install key filter\n");
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return;
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}
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pr_info("Using i8042 filter function for receiving events\n");
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}
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}
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static const struct key_entry asus_nb_wmi_keymap[] = {
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{ KE_KEY, ASUS_WMI_BRN_DOWN, { KEY_BRIGHTNESSDOWN } },
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{ KE_KEY, ASUS_WMI_BRN_UP, { KEY_BRIGHTNESSUP } },
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{ KE_KEY, 0x30, { KEY_VOLUMEUP } },
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{ KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
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{ KE_KEY, 0x32, { KEY_MUTE } },
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{ KE_KEY, 0x35, { KEY_SCREENLOCK } },
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{ KE_KEY, 0x40, { KEY_PREVIOUSSONG } },
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{ KE_KEY, 0x41, { KEY_NEXTSONG } },
|
|
{ KE_KEY, 0x43, { KEY_STOPCD } }, /* Stop/Eject */
|
|
{ KE_KEY, 0x45, { KEY_PLAYPAUSE } },
|
|
{ KE_KEY, 0x4c, { KEY_MEDIA } }, /* WMP Key */
|
|
{ KE_KEY, 0x50, { KEY_EMAIL } },
|
|
{ KE_KEY, 0x51, { KEY_WWW } },
|
|
{ KE_KEY, 0x55, { KEY_CALC } },
|
|
{ KE_IGNORE, 0x57, }, /* Battery mode */
|
|
{ KE_IGNORE, 0x58, }, /* AC mode */
|
|
{ KE_KEY, 0x5C, { KEY_F15 } }, /* Power Gear key */
|
|
{ KE_KEY, 0x5D, { KEY_WLAN } }, /* Wireless console Toggle */
|
|
{ KE_KEY, 0x5E, { KEY_WLAN } }, /* Wireless console Enable */
|
|
{ KE_KEY, 0x5F, { KEY_WLAN } }, /* Wireless console Disable */
|
|
{ KE_KEY, 0x60, { KEY_TOUCHPAD_ON } },
|
|
{ KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD only */
|
|
{ KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT only */
|
|
{ KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT */
|
|
{ KE_KEY, 0x64, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV */
|
|
{ KE_KEY, 0x65, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV */
|
|
{ KE_KEY, 0x66, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV */
|
|
{ KE_KEY, 0x67, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV */
|
|
{ KE_KEY, 0x6B, { KEY_TOUCHPAD_TOGGLE } },
|
|
{ KE_IGNORE, 0x6E, }, /* Low Battery notification */
|
|
{ KE_KEY, 0x71, { KEY_F13 } }, /* General-purpose button */
|
|
{ KE_IGNORE, 0x79, }, /* Charger type dectection notification */
|
|
{ KE_KEY, 0x7a, { KEY_ALS_TOGGLE } }, /* Ambient Light Sensor Toggle */
|
|
{ KE_KEY, 0x7c, { KEY_MICMUTE } },
|
|
{ KE_KEY, 0x7D, { KEY_BLUETOOTH } }, /* Bluetooth Enable */
|
|
{ KE_KEY, 0x7E, { KEY_BLUETOOTH } }, /* Bluetooth Disable */
|
|
{ KE_KEY, 0x82, { KEY_CAMERA } },
|
|
{ KE_KEY, 0x88, { KEY_RFKILL } }, /* Radio Toggle Key */
|
|
{ KE_KEY, 0x8A, { KEY_PROG1 } }, /* Color enhancement mode */
|
|
{ KE_KEY, 0x8C, { KEY_SWITCHVIDEOMODE } }, /* SDSP DVI only */
|
|
{ KE_KEY, 0x8D, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + DVI */
|
|
{ KE_KEY, 0x8E, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + DVI */
|
|
{ KE_KEY, 0x8F, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + DVI */
|
|
{ KE_KEY, 0x90, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + DVI */
|
|
{ KE_KEY, 0x91, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + DVI */
|
|
{ KE_KEY, 0x92, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + DVI */
|
|
{ KE_KEY, 0x93, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + DVI */
|
|
{ KE_KEY, 0x95, { KEY_MEDIA } },
|
|
{ KE_KEY, 0x99, { KEY_PHONE } }, /* Conflicts with fan mode switch */
|
|
{ KE_KEY, 0xA0, { KEY_SWITCHVIDEOMODE } }, /* SDSP HDMI only */
|
|
{ KE_KEY, 0xA1, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + HDMI */
|
|
{ KE_KEY, 0xA2, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + HDMI */
|
|
{ KE_KEY, 0xA3, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + HDMI */
|
|
{ KE_KEY, 0xA4, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + HDMI */
|
|
{ KE_KEY, 0xA5, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + HDMI */
|
|
{ KE_KEY, 0xA6, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + HDMI */
|
|
{ KE_KEY, 0xA7, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + HDMI */
|
|
{ KE_KEY, 0xB5, { KEY_CALC } },
|
|
{ KE_KEY, 0xC4, { KEY_KBDILLUMUP } },
|
|
{ KE_KEY, 0xC5, { KEY_KBDILLUMDOWN } },
|
|
{ KE_IGNORE, 0xC6, }, /* Ambient Light Sensor notification */
|
|
{ KE_KEY, 0xFA, { KEY_PROG2 } }, /* Lid flip action */
|
|
{ KE_END, 0},
|
|
};
|
|
|
|
static struct asus_wmi_driver asus_nb_wmi_driver = {
|
|
.name = ASUS_NB_WMI_FILE,
|
|
.owner = THIS_MODULE,
|
|
.event_guid = ASUS_NB_WMI_EVENT_GUID,
|
|
.keymap = asus_nb_wmi_keymap,
|
|
.input_name = "Asus WMI hotkeys",
|
|
.input_phys = ASUS_NB_WMI_FILE "/input0",
|
|
.detect_quirks = asus_nb_wmi_quirks,
|
|
};
|
|
|
|
|
|
static int __init asus_nb_wmi_init(void)
|
|
{
|
|
return asus_wmi_register_driver(&asus_nb_wmi_driver);
|
|
}
|
|
|
|
static void __exit asus_nb_wmi_exit(void)
|
|
{
|
|
asus_wmi_unregister_driver(&asus_nb_wmi_driver);
|
|
}
|
|
|
|
module_init(asus_nb_wmi_init);
|
|
module_exit(asus_nb_wmi_exit);
|