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New Acer laptops in 2018 will have a separate ACPI device for
notifications from the airplane mode hotkey. The device name in
the DSDT is SMKB and its ACPI _HID is 10251229.
For these models, when the airplane mode hotkey (Fn+F3) pressed,
a query 0x02 is started in the Embedded Controller, and all this
query does is a notify SMKB with the value 0x80.
Scope (_SB.PCI0.LPCB.EC0)
{
(...)
Method (_Q02, 0, NotSerialized) // _Qxx: EC Query
{
HKEV (0x2, One)
Notify (SMKB, 0x80) // Status Change
}
}
Based on code from asus-wireless
Signed-off-by: Chris Chiu <chiu@endlessm.com>
Reviewed-by: João Paulo Rechi Vita <jprvita@endlessm.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Chris Chiu