linux-kernel - Re: [PATCH 2/2] enhance /sys/class/rfkill/<rfkill>/state interface

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Date:	Sat, 20 Feb 2010 23:14:48 +0100
From:	Johannes Berg <johannes@...solutions.net>
To:	florian@...kler.org
Cc:	linux-wireless@...r.kernel.org,
	Randy Dunlap <rdunlap@...otime.net>,
	"John W. Linville" <linville@...driver.com>,
	Alan Jenkins <alan-jenkins@...fmail.co.uk>,
	linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: Re: [PATCH 2/2] enhance /sys/class/rfkill/<rfkill>/state interface

On Sat, 2010-02-20 at 22:40 +0100, florian@...kler.org wrote:
> Introduce a new state-value RFKILL_STATE_SOFT_AND_HARD_BLOCKED
> which is returned only through the sysfs state file.
> The other interfaces are designed so that they don't need this extra
> state.
> 
> This allows the sysfs to represent all possible states an rfkill
> driver can
> have.
> 
> Signed-off-by: Florian Mickler <florian@...kler.org>
> ---
> 
> After stumbling over this arbitrary limitation of
> sys/class/rfkill/*/state I
> wondered what would hinder this patch?

This is not backward compatible, so can't be done.

johannes

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