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platform/x86: asus-nb-wmi: Ignore unknown event 0xCF

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[ Upstream commit e9fba20c29e27dc99e55e1c550573a114561bf8c ]

On the Asus X541UAK an unknown event 0xCF is emited when the charger
is plugged in. This is caused by the following AML code:

    If (ACPS ())
    {
        ACPF = One
        Local0 = 0x58
        If (ATKP)
        {
            ^^^^ATKD.IANE (0xCF)
        }
    }
    Else
    {
        ACPF = Zero
        Local0 = 0x57
    }

    Notify (AC0, 0x80) // Status Change
    If (ATKP)
    {
        ^^^^ATKD.IANE (Local0)
    }

    Sleep (0x64)
    PNOT ()
    Sleep (0x0A)
    NBAT (0x80)

Ignore the 0xCF event to silence the unknown event warning.

Reported-by: Pau Espin Pedrol <pespin@espeweb.net>
Closes: https://lore.kernel.org/platform-driver-x86/54d4860b-ec9c-4992-acf6-db3f90388293@espeweb.net
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20241123224700.18530-1-W_Armin@gmx.de
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Armin Wolf 2024-11-23 23:47:00 +01:00 committed by Ksawlii
parent 046dadbcee
commit 58a94f526c
1 changed files with 1 additions and 0 deletions
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drivers/platform/x86/asus-nb-wmi.c
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@ -574,6 +574,7 @@ static const struct key_entry asus_nb_wmi_keymap[] = {
{ KE_KEY, 0xC4, { KEY_KBDILLUMUP } },
{ KE_KEY, 0xC5, { KEY_KBDILLUMDOWN } },
{ KE_IGNORE, 0xC6, }, /* Ambient Light Sensor notification */
{ KE_IGNORE, 0xCF, }, /* AC mode */
{ KE_KEY, 0xFA, { KEY_PROG2 } }, /* Lid flip action */
{ KE_KEY, 0xBD, { KEY_PROG2 } }, /* Lid flip action on ROG xflow laptops */
{ KE_END, 0},