From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Subject: Re: Regression with dell-rbtn: radio killed on resume after suspend
 to RAM
Date: Tue, 24 Nov 2015 10:42:18 +0100
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To: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Andrei Borzenkov <arvidjaar@gmail.com>, Darren Hart <dvhart@infradead.org>, =?UTF-8?Q?Pali_Roh=c3=a1r?= <pali.rohar@gmail.com>, platform-driver-x86@vger.kernel.org

On 24/11/2015 09:52, Matthew Garrett wrote:
> On Tue, Nov 24, 2015 at 09:49:18AM +0100, Gabriele Mazzotta wrote:
>>
>> Pali, what should we do for the case Latitude/Precision + RBTN_TOGGL=
E?
>
> Are there any systems which claim Windows 8 support via OSI and which
> don't implement the rbtn interface? If not, just add an ACPI dependen=
cy
> to dell-laptop and have it skip the rfkill code on Windows 8 and late=
r
> systems. I never trusted that code, but Dell insisted that it would
> always wor on Latitudes and Precisions=E2=80=A6
>

I think that systems that claim Windows 8 support also implement an
rbtn interface, but I can't be sure of this.

Such a solution would work, but it's worth pointing out that this would
move the control of radios from kernel space to user space. Honestly,
I'm fine this, but not everybody agrees.