# Re: Side effect of pressing special keys

- From: Pavel Machek \<hidden\>
- Date: 2014-12-03 12:40:46 
- List: linux-input
- Page: https://ratatoskr.run/linux-input/2014/12/4387909
- Thread: https://ratatoskr.run/linux-input/2014/11/4380420/t.md

```text
On Sun 2014-11-23 14:41:17, Pali Rohár wrote:
> Hello,
> 
> pressing some keys on laptops could cause some side effects.
> 
> Example scenario 1:
> 
> Laptop has Fn key for enabling/disabling WIFI and when that key 
> is pressed BIOS is doing two things:
> 
> 1) Switch hard rfkill state of WIFI
> 2) Report that Fn key was pressed to kernel
>    (either via i8042 bus or via ACPI/WMI)

We should not really report that as a "key" to userspace. We might
want to report that rfkill state changed....
							Pavel

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```