Date: Tue, 28 Aug 2012 11:55:50 +0100
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Randy Dunlap <rdunlap@xenotime.net>
Cc: mathieu.poirier@linaro.org, linux-kernel@vger.kernel.org, arve@android.com,
        kernel-team@android.com, dmitry.torokhov@gmail.com,
        john.stultz@linaro.org
Subject: Re: [PATCH] drivers/tty: Folding Android's keyreset driver in sysRQ
Message-ID: <20120828115550.1b9c0293@pyramind.ukuu.org.uk>
In-Reply-To: <503C03FA.5080803@xenotime.net>
References: <1346103825-14430-1-git-send-email-mathieu.poirier@linaro.org>
	<503C03FA.5080803@xenotime.net>
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> Please document what button/key combinations those are.

It's taken from the platform data. Most phone devices don't have a real
keyboard let alone an sysrq key so it's device specific button combos in
general that trigger things like power off.

> 
> > The first time the key-combo is detected a work function that syncs
> > the filesystems is scheduled and the kernel rebooted. If all the keys
> > are released and then pressed again, it calls panic. Reboot on panic
> > should be set for this to work.  A platform device that specify a
> > reset key-combo should be added to the board file to trigger the
> > feature.

And it is documented ... ^^^^^^^^^^^^^^^^^^^^^^^^^^


Alan
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