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From: "Henrik Rydberg" <rydberg@euromail.se>
To: Chris Bagwell <chris@cnpbagwell.com>
Cc: Chase Douglas <chase.douglas@canonical.com>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	Jiri Kosina <jkosina@suse.cz>, Takashi Iwai <tiwai@suse.de>,
	linux-input@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/3] Input: synaptics - add multi-finger and semi-mt support
Date: Tue, 21 Dec 2010 19:36:48 +0100	[thread overview]
Message-ID: <20101221183648.GA1874@polaris.bitmath.org> (raw)
In-Reply-To: <AANLkTi=rxBMDB+JKLY9A4iMZEtCBGNhfJxAERMb4CEjR@mail.gmail.com>

> > Yes - the MT_TOOLs are only emitted when explicitly set in absbit, but
> > the internal interface always handles it. This is actually documented
> > in the code (and DocBook).
> 
> That note is good guidance for developer side.  Its also worth noting
> on app side that MT_TOOL_FINGER is a little special since its value is
> 0.  In most common case, I think it will get filtered out where as
> BTN_TOOL_FINGER will always be sent.
> 
> Since we can't yet query per slot ABS_MT_TOOL_TYPE, I guess apps have
> to just assume its a finger unless told otherwise?

Yes - but this is actually done for every ABS value already, so it
just follows the standard transfer method.

Thanks,
Henrik

  reply	other threads:[~2010-12-21 18:36 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-20 13:39 [PATCH v2 0/3] Input: synaptics - add semi-mt support Henrik Rydberg
2010-12-20 13:39 ` [PATCH 1/3] Input: synaptics - report clickpad property Henrik Rydberg
2010-12-21 16:37   ` Chase Douglas
2010-12-20 13:39 ` [PATCH 2/3] Input: synaptics - add multi-finger and semi-mt support Henrik Rydberg
2010-12-20 16:20   ` Chris Bagwell
2010-12-20 16:20     ` Chris Bagwell
2010-12-21 16:35   ` Chase Douglas
2010-12-21 16:59     ` Henrik Rydberg
2010-12-21 17:32       ` Chase Douglas
2010-12-21 18:06       ` Chris Bagwell
2010-12-21 18:06         ` Chris Bagwell
2010-12-21 18:36         ` Henrik Rydberg [this message]
2010-12-20 13:39 ` [PATCH 3/3] Input: synaptics - ignore bogus mt packet Henrik Rydberg
2010-12-21 16:40   ` Chase Douglas
2010-12-22 10:12     ` Dmitry Torokhov

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