linux-kernel - Re: [PATCH] usb: generic calibration support

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Message-Id: <200611171553.38164.hs4233@mail.mn-solutions.de>
Date:	Fri, 17 Nov 2006 15:53:37 +0100
From:	Holger Schurig <hs4233@...l.mn-solutions.de>
To:	"Dmitry Torokhov" <dmitry.torokhov@...il.com>
Cc:	"Daniel Ritz" <daniel.ritz-ml@...ssonline.ch>, daniel.ritz@....ch,
	linux-kernel@...r.kernel.org, linux-usb-devel@...ts.sourceforge.net
Subject: Re: [PATCH] usb: generic calibration support

> I believe tslib handles this.

The special X server "KDrive" supports tslib, this is used in 
many embedded projects, e.g. by images created via 
http://www.openembedded.org. But mainline X.org server, e.g. 
what is in Debian unstable (7.1.0), doesn't support tslib.

Also I don't know if X/tslib allows re-calibration on-the-fly, 
but I guess it does. However, tslib usually does not work via 
the input subsystem (/dev/input/eventX is just one of them), 
most devices use proprietary kernel interfaces.

Qt/Embedded for Qt 2 and Qt 3 doesn't handle tslib 
out-of-the-box, (heck, the don't even know 
about /dev/input/eventX), but patches exist.

But I think we can stop this thread now :-)
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