linux-kernel - Re: [PATCH] Haptic class support (v2)

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Message-ID: <20091012162020.GF22233@sirena.org.uk>
Date:	Mon, 12 Oct 2009 17:20:20 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Kay Sievers <kay.sievers@...y.org>
Cc:	Kyungmin Park <kmpark@...radead.org>, linux-kernel@...r.kernel.org,
	linux-input@...r.kernel.org, soni.trilok@...il.com
Subject: Re: [PATCH] Haptic class support (v2)

On Mon, Oct 12, 2009 at 05:42:08PM +0200, Kay Sievers wrote:
> On Tue, Oct 6, 2009 at 09:45, Kyungmin Park <kmpark@...radead.org> wrote:

> > To enable the haptic, echo 1 > /sys/class/haptic/${name}/enable
> > You can adjust the level by echo ${level} > /sys/class/haptic/${name}/enable
> > or
> > With oneshot feature, echo ${msec time} > /sys/class/haptic/${name}/oneshot

> Please never add any custom files to the top-level of a class
> directory. This place is reserved for devices, and not for custom
> files. It's a serious bug in the layout and API of sysfs that this
> allowed at all.

I'm assuming that ${name} is the device name in the above in which case
it should be fine from that point of view?
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