linux-kernel - Re: Side effect of pressing special keys

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Message-ID: <20141203124042.GA504@amd>
Date:	Wed, 3 Dec 2014 13:40:42 +0100
From:	Pavel Machek <pavel@....cz>
To:	Pali Rohár <pali.rohar@...il.com>
Cc:	linux-input@...r.kernel.org, platform-driver-x86@...r.kernel.org,
	Gabriele Mazzotta <gabriele.mzt@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: Side effect of pressing special keys

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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