linux-kernel - Re: [PATCH] rfkill: update LEDs for all state changes

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Message-ID: <48D16EDB.8090700@lwfinger.net>
Date:	Wed, 17 Sep 2008 15:55:55 -0500
From:	Larry Finger <Larry.Finger@...inger.net>
To:	Henrique de Moraes Holschuh <hmh@....eng.br>
CC:	John Linville <linville@...driver.com>,
	linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org,
	Matthew Garrett <mjg59@...f.ucam.org>,
	Michael Buesch <mb@...sch.de>,
	Ivo van Doorn <IvDoorn@...il.com>
Subject: Re: [PATCH] rfkill: update LEDs for all state changes

Henrique de Moraes Holschuh wrote:
> The LED state was not being updated by rfkill_force_state(), which will
> cause regressions in wireless drivers that had old-style rfkill support and
> are updated to use rfkill_force_state().
> 
> The LED state was not being updated when a change was detected through the
> rfkill->get_state() hook, either.
> 
> Move the LED trigger update calls into notify_rfkill_state_change(), where
> it should have been in the first place.  This takes care of both issues.
> 
> Signed-off-by: Henrique de Moraes Holschuh <hmh@....eng.br>
> Cc: Ivo van Doorn <IvDoorn@...il.com>
> ---
>  net/rfkill/rfkill.c |    5 ++---
>  1 files changed, 2 insertions(+), 3 deletions(-)
> 
>  John, this one is quite likely something that should be sent for
>  merge in mainline BEFORE 2.6.27 is released.
> 
>  I am NOT sure it fixes regressions, that depends on whether the drivers
>  using rfkill that are in 2.6.27 had working LED support before rfkill
>  support was added to them.  Unfortunately, it cannot fix the b43
>  regression by itself.

The b43 regression is not fixed with this patch and the one from
Matthew that starts out with "Oh, hey, I suck. This one might stand a
better chance of not falling over."

Larry


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