From: Nikolai Kondrashov <spbnick@gmail.com>
To: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Chris Bagwell <chris@cnpbagwell.com>,
Henrik Rydberg <rydberg@euromail.se>,
Ping Cheng <pinglinux@gmail.com>,
linux-input <linux-input@vger.kernel.org>,
Jiri Kosina <jkosina@suze.cz>
Subject: Re: [RFC] Adding BTN_TOOL_TOUCH to input.h
Date: Sat, 27 Nov 2010 12:46:03 +0300 [thread overview]
Message-ID: <4CF0D35B.4030807@gmail.com> (raw)
In-Reply-To: <20101127091533.GA27213@core.coreip.homeip.net>
On 11/27/2010 12:15 PM, Dmitry Torokhov wrote:
> 2000LPI == about 79 l/mm. How is it not useable?
TBH, I didn't make any real calculations.
The introduced error isn't very high, indeed. The vertical size of 4x3 inch
tablet becomes 75 mm instead of 76 mm. So maybe it's alright.
> In mainline synaptics is the only one that does this. We do not know how
> many drivers in vendor trees fill and use this data nor we do not know
> about userspace. The fact that we were not able to locate them does not
> mean they do not exist. The units/mm are part of input ABI now.
Well, I can't argue with you here.
I didn't think about 3rd party drivers, TBH.
> Right, standarize on existing UOM (which are per/mm) and then implement
> other UOM if theya re really needed.
Will this fix qualify for inclusion into 2.6.37?
Also, what do you think about units per radians for rotational axis?
Thanks :)
Sincerely,
Nick
next prev parent reply other threads:[~2010-11-27 9:46 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-25 14:05 [RFC] Adding BTN_TOOL_TOUCH to input.h Henrik Rydberg
2010-11-25 14:12 ` Nikolai Kondrashov
2010-11-26 23:02 ` Chris Bagwell
2010-11-27 7:59 ` Dmitry Torokhov
2010-11-27 8:06 ` Nikolai Kondrashov
2010-11-27 8:32 ` Dmitry Torokhov
2010-11-27 8:51 ` Nikolai Kondrashov
[not found] ` <20101127091533.GA27213@core.coreip.homeip.net>
2010-11-27 9:46 ` Nikolai Kondrashov [this message]
2010-11-27 22:08 ` Chris Bagwell
2010-11-27 23:39 ` Dmitry Torokhov
2010-11-28 7:22 ` Dmitry Torokhov
2010-11-28 14:57 ` Nikolai Kondrashov
2010-11-28 21:47 ` Dmitry Torokhov
2010-12-07 16:59 ` Nikolai Kondrashov
2010-11-28 8:01 ` Dmitry Torokhov
2010-11-28 8:28 ` Henrik Rydberg
2010-11-28 10:14 ` Nikolai Kondrashov
2010-11-27 8:15 ` Dmitry Torokhov
2010-11-27 17:04 ` Henrik Rydberg
2010-11-27 22:22 ` Chris Bagwell
-- strict thread matches above, loose matches on Subject: below --
2010-11-23 20:48 Ping Cheng
2010-11-23 22:30 ` Dmitry Torokhov
2010-11-23 22:40 ` Ping Cheng
2010-11-24 2:52 ` Dmitry Torokhov
2010-11-24 4:55 ` Chris Bagwell
2010-11-24 20:26 ` Dmitry Torokhov
2010-11-24 22:55 ` Chris Bagwell
2010-11-25 1:31 ` Dmitry Torokhov
2010-11-26 22:48 ` Chris Bagwell
2010-11-27 8:06 ` Dmitry Torokhov
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