From: Henrik Rydberg <rydberg@euromail.se>
To: Rafi Rubin <rafi@seas.upenn.edu>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>,
linux-input@vger.kernel.org, linux-kernel@vger.kernel.org,
Chris Bagwell <chris@cnpbagwell.com>,
Chase Douglas <chasedouglas@gmail.com>,
Takashi Iwai <tiwai@suse.de>
Subject: Re: [PATCH] input: Introduce light-weight contact tracking
Date: Sun, 07 Nov 2010 21:50:57 +0100 [thread overview]
Message-ID: <4CD71131.3080706@euromail.se> (raw)
In-Reply-To: <4CD70FC0.6060503@seas.upenn.edu>
On 11/07/2010 09:44 PM, Rafi Rubin wrote:
> On 11/07/2010 03:18 PM, Henrik Rydberg wrote:
>> Some kernel drivers demand the use of contact tracking for proper
>> filtering and pointer emulation. With one exception, these drivers
>> are limited to a maximum of four concurrent contacts. This patch adds
>> a simple matcher for up to four contacts, with these notable properties:
>
> Tracking in the ntrig driver needs to support a minimum of 6 fingers. I have
> also seen press releases claiming 10+ eventually. I don't know if those devices
> will support tracking in the hardware/firmware.
This is the exception I was talking about. The thing is, I can very well see a
driver supporting four fingers even if the device claims to support six. After
all, getting those four fingers working well will still be a big improvement.
Henrik
next prev parent reply other threads:[~2010-11-07 20:51 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-07 20:18 [PATCH] input: Introduce light-weight contact tracking Henrik Rydberg
2010-11-07 20:44 ` Rafi Rubin
2010-11-07 20:50 ` Henrik Rydberg [this message]
2010-11-07 22:14 ` Rafi Rubin
2010-11-08 14:57 ` Henrik Rydberg
2010-11-08 16:54 ` Rafi Rubin
2010-11-08 19:07 ` Henrik Rydberg
2010-11-11 5:15 ` Rafi Rubin
2010-11-11 10:53 ` Henrik Rydberg
2010-11-11 20:00 ` Dmitry Torokhov
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