linux-kernel - Re: eeepc-laptop rfkill, stupid question #4

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Message-ID: <490F0ACC.4000808@tuffmail.co.uk>
Date:	Mon, 03 Nov 2008 14:29:32 +0000
From:	Alan Jenkins <alan-jenkins@...fmail.co.uk>
To:	Matthew Garrett <mjg59@...f.ucam.org>
CC:	Henrique de Moraes Holschuh <hmh@....eng.br>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux acpi <linux-acpi@...r.kernel.org>
Subject: Re: eeepc-laptop rfkill, stupid question #4

Matthew Garrett wrote:
> On Mon, Nov 03, 2008 at 12:16:28PM -0200, Henrique de Moraes Holschuh wrote:
>
>   
>> Can you read the state?  If so, you need to unconditionally do so on resume
>> (from sleep or hibernation) and rfkill_force_state() it.
>>     
>
> The rfkill core actually forces the state on resume, so I think we're 
> fine.
>   

I think the reason it works is because eeepc-laptop provides a
"get_state" callback.  rfkill can call get_state on resume, and if the
state has changed, force it back to the old value.  So I think it's ok
as is.

Alan
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