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From: Henrik Rydberg <rydberg@euromail.se>
To: Joonyoung Shim <jy0922.shim@samsung.com>
Cc: dmitry.torokhov@gmail.com, linux-input@vger.kernel.org,
	kyungmin.park@samsung.com
Subject: Re: [PATCH v2] input: qt602240 - Add ATMEL QT602240 touchscreen driver
Date: Mon, 28 Jun 2010 12:22:43 +0200	[thread overview]
Message-ID: <4C2877F3.8020003@euromail.se> (raw)
In-Reply-To: <4C2872B2.1030405@samsung.com>

Joonyoung Shim wrote:
[...]
> Do you mean to report the coordinates of contact __remaining__? You told 
> me at first, "The position should be the position where the finger left
> the surface", so i am confusing.

The two comments do not apply to the same situation. The latter comment was made
in the context of a tracking-capable device which sends one last event for a
finger going away. Transformed to the stateless type A protocol, that results in
(touch = 0, x = last value, y = last value). The former comment was in the
general context of the type A protocol, which has no notion of anything going
away. After you lift a finger and look at the state, what you see is the
remaining set of fingers.

Thank you,
Henrik


  reply	other threads:[~2010-06-28 10:22 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-25  1:54 [PATCH v2] input: qt602240 - Add ATMEL QT602240 touchscreen driver Joonyoung Shim
2010-06-25 14:08 ` Henrik Rydberg
2010-06-28  5:16   ` Joonyoung Shim
2010-06-28  7:37     ` Henrik Rydberg
2010-06-28  8:17       ` Joonyoung Shim
2010-06-28  8:34         ` Henrik Rydberg
2010-06-28  8:42           ` Dmitry Torokhov
2010-06-28  8:46             ` Henrik Rydberg
2010-06-28  9:01               ` Dmitry Torokhov
2010-06-28  9:10                 ` Henrik Rydberg
2010-06-28  9:05           ` Joonyoung Shim
2010-06-28  9:17             ` Henrik Rydberg
2010-06-28 10:00               ` Joonyoung Shim
2010-06-28 10:22                 ` Henrik Rydberg [this message]
2010-06-28 11:12                   ` Joonyoung Shim
2010-06-28 12:23                     ` Henrik Rydberg
2010-06-28 12:58                       ` Joonyoung Shim
2010-06-28 13:24                         ` Henrik Rydberg
2010-06-28 13:41                           ` Joonyoung Shim
     [not found]                             ` <AANLkTikNh-LTClIgXGAIEkegLCmWNnN2Zk05XhZWOumb@mail.gmail.com>
2010-06-28 14:33                               ` Dan Murphy
2010-06-29  3:33                               ` Joonyoung Shim

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