From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Torokhov Subject: Re: [PATCH 2/6] Haptic: Documentation for haptic class Date: Wed, 7 Oct 2009 09:49:44 -0700 Message-ID: <20091007164944.GC12053@core.coreip.homeip.net> References: <20091007061754.GA7588@july> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-fx0-f227.google.com ([209.85.220.227]:43174 "EHLO mail-fx0-f227.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933571AbZJGQud (ORCPT ); Wed, 7 Oct 2009 12:50:33 -0400 Content-Disposition: inline In-Reply-To: <20091007061754.GA7588@july> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Kyungmin Park Cc: linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, soni.trilok@gmail.com On Wed, Oct 07, 2009 at 03:17:54PM +0900, Kyungmin Park wrote: > Describe the haptic class and how to use > > Signed-off-by: Kyungmin Park > --- > Documentation/haptic-class.txt | 20 ++++++++++++++++++++ > 1 files changed, 20 insertions(+), 0 deletions(-) > create mode 100644 Documentation/haptic-class.txt > > diff --git a/Documentation/haptic-class.txt b/Documentation/haptic-class.txt > new file mode 100644 > index 0000000..6bee82a > --- /dev/null > +++ b/Documentation/haptic-class.txt > @@ -0,0 +1,20 @@ > + > +Haptic handling under Linux > +======================== > + > +In its simplest form, the haptic class just allows control of Haptics from > +userspace. Haptic appears in /sys/class/haptic/. The maximum level of the > +haptic is defined in max_level file. > + > +To use simple. it provides the oneshot mode. Give millisecond time to this > +property. It working at given time with pre-defined level. > +Of course, you can adjust the level by setting level property "The interface is pretty simple - it provides oneshot mode where user can specify duration of the effect (in milliseconds) and desired level": > + > +# echo ${millisecond} > /sys/class/haptic//oneshot > + > +# echo ${level} > /sys/class/haptic//level > + > +Also you can enable/disable by setting enable property > + "You can also enable or disable haptics devices by manipulating 'enable' attribute:" > +# echo 1 > /sys/class/haptic//level -> Enable ^^^^^^ enable > +# echo 0 > /sys/class/haptic//level -> Disable ^^^^^^ -- Dmitry