From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: pgf@laptop.org
Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] forced recalibration for the OLPC hgpk touchpad
Date: Wed, 3 Jun 2009 08:04:57 -0700 [thread overview]
Message-ID: <200906030804.57340.dmitry.torokhov@gmail.com> (raw)
In-Reply-To: <3026.1243972079@foxharp.boston.ma.us>
Hi Paul,
On Tuesday 02 June 2009 12:47:59 pgf@laptop.org wrote:
> The OLPC XO laptop incorporates a combination touchpad/tablet
> device which unfortunately requires frequent recalibration. The
> driver will force this automatically when various suspicious
> behaviors are observed, and the user can recalibrate manually
> (with a special keyboard sequence). There's currently no way,
> however, for an external program to cause recalibration.
>
> This patch creates a new node in /sys which, when written with '1',
> will force a touchpad recalibration. No other writes (or reads)
> of this node are supported.
>
Instead of creating a new sysfs attribute maybe we should make
the touchpad recalibrate upon resume (reconnect)? Userspace can
already request reconnect via sysfs.
--
Dmitry
next prev parent reply other threads:[~2009-06-03 15:04 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-02 19:47 [PATCH] forced recalibration for the OLPC hgpk touchpad pgf
2009-06-03 15:04 ` Dmitry Torokhov [this message]
2009-06-04 3:58 ` Paul Fox
2009-06-04 4:17 ` Andres Salomon
2009-06-17 20:16 ` Paul Fox
2009-07-29 22:08 ` Paul Fox
2009-07-30 5:44 ` Dmitry Torokhov
2009-07-30 14:37 ` Paul Fox
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