linux-kernel - Re: [PATCH] INPUT:Add ABS_PRESSURE input event support for touchscreen driver

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Message-ID: <BANLkTi=wU04jiOE-5GDDG9Pd4PgVnN61bTkqGfnkShHKo7iVFg@mail.gmail.com>
Date:	Mon, 27 Jun 2011 16:57:48 +0800
From:	daoguang wu <wdgvip@...il.com>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	Baohua Song <Baohua.Song@....com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	"kgene.kim@...sung.com" <kgene.kim@...sung.com>,
	"ben-linux@...ff.org" <ben-linux@...ff.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"wdgvip@...il.com" <wdgvip@...il.com>,
	"linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] INPUT:Add ABS_PRESSURE input event support for
 touchscreen driver

2011/6/27 Dmitry Torokhov <dmitry.torokhov@...il.com>:
>
>
> Baohua Song <Baohua.Song@....com> wrote:
>
>>
>>
>>> -----Original Message-----
>>> From: linux-arm-kernel-bounces@...ts.infradead.org
>>> [mailto:linux-arm-kernel-bounces@...ts.infradead.org] On Behalf Of
>>daoguang
>>> wu
>>> Sent: 2011年6月27日 10:15
>>> To: Mark Brown
>>> Cc: kgene.kim@...sung.com; ben-linux@...ff.org;
>>> dmitry.torokhov@...il.com; linux-kernel@...r.kernel.org;
>>> wdgvip@...il.com; linux-input@...r.kernel.org;
>>> linux-arm-kernel@...ts.infradead.org
>>> Subject: Re: [PATCH] INPUT:Add ABS_PRESSURE input event support for
>>> touchscreen driver
>>>
>>> 2011/6/24 Mark Brown <broonie@...nsource.wolfsonmicro.com>:
>>> > On Fri, Jun 24, 2011 at 10:15:38AM +0800, Wu DaoGuang wrote:
>>> >> The touchscreen driver s3c2410_ts.c doesn't work well when using
>>> >> the tslib, an abstraction layer for touchscreen panel events.
>>> >> Tslib needs ABS_X ABS_Y and ABS_PRESSURE events to report, but
>>only
>>> >> the former two the driver can provide.
>>> >
>>> > It seems much more sane to fix this in tslib, the kernel is not
>>actually
>>> > reporting pressure meaningfully here and there's already BTN_TOUCH
>>to
>>> > report if the pen is down.
>>> >
>>> yeah,I will try to fix it in tslib.
>>
>>You may send a patch to tslib.
>>
>
> This has already been fixed in tslib a couple years ago. I'm not sure if a
> new version was cut or not.
> --
> Dmitry

I try the latest tslib ,and find there is no such problem and the
latest version of tslib  can be downloaded from
git://github.com/kergoth/tslib.git.

Thanks a lot.
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