Re: [RFC PATCH] platform/x86: asus-nb-wmi: Ignore unknown event 0xCF

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Hi,

On 23-Nov-24 11:47 PM, Armin Wolf wrote:
> 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@xxxxxxxxxxx>
> Closes: https://lore.kernel.org/platform-driver-x86/54d4860b-ec9c-4992-acf6-db3f90388293@xxxxxxxxxxx
> Signed-off-by: Armin Wolf <W_Armin@xxxxxx>

Thanks, patch looks good to me:

Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>

Regards,

Hans




> ---
>  drivers/platform/x86/asus-nb-wmi.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c
> index ef04d396f61c..a5933980ade3 100644
> --- a/drivers/platform/x86/asus-nb-wmi.c
> +++ b/drivers/platform/x86/asus-nb-wmi.c
> @@ -623,6 +623,7 @@ 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},
> --
> 2.39.5
> 





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