linux-kernel - Re: [PATCH 1/9 v2] Input: synaptics

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Message-ID: <20110725082752.GB22937@core.coreip.homeip.net>
Date:	Mon, 25 Jul 2011 01:27:52 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	djkurtz@...omium.org
Cc:	rydberg@...omail.se, chase.douglas@...onical.com,
	rubini@...l.unipv.it, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org, derek.foreman@...labora.co.uk,
	daniel.stone@...labora.co.uk, olofj@...omium.org
Subject: Re: [PATCH 1/9 v2] Input: synaptics - refactor y inversion

On Wed, Jul 20, 2011 at 09:38:58PM +0800, djkurtz@...omium.org wrote:
> From: Daniel Kurtz <djkurtz@...omium.org>
> 
> Synaptics touchpads report increasing y from bottom to top.
> This is inverted from normal userspace "top of screen is 0" coordinates.
> Thus, the kernel driver reports inverted y coordinates to userspace.
> 
> This patch refactors this inversion.
> 

I really do not see the point...

Thanks.

-- 
Dmitry
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