linux-kernel - Re: [PATCH RFC] Input: tell mousedev to handle remote console virtual mice using absolute coordinates

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Message-ID: <20080109162639.GA30033@ldl.fc.hp.com>
Date:	Wed, 9 Jan 2008 09:26:39 -0700
From:	Alex Chiang <achiang@...com>
To:	Micah Parrish <micah.parrish@...com>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Pete Zaitcev <zaitcev@...hat.com>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH RFC] Input: tell mousedev to handle remote console
	virtual mice using absolute coordinates

Hi Dmitry,

* Micah Parrish <micah.parrish@...com>:
> Devices like the HP Integrated Remote Console Virtual Mouse, which are
> standard equipment on all Proliant and Integrity servers, produce
> absolute coordinates instead of relative coordinates.  This is done to
> synchronize the position of the mouse cursor on the client desktop
> with the mouse cursor position on the server.  Mousedev is not
> designed to pass those absolute events directly to X, but it can
> translate them into relative movements.  It currently does this for
> tablet like devices and touchpads.  This patch merely tells it to also
> include a device with ABS_X, ABS_Y, and mouse buttons in its list of
> devices to process input for.
> 
> This patch enables the mouse pointer to move when using the remote
> console.  Without this patch, the cursor will not move.

We're looking to get this patch accepted into a distro, which is
of course easier if it is first accepted upstream.

Is there anything we can do to help explain this patch further to
enable acceptance?

Thanks.

/ac

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