[PATCH] INPUT:Add ABS_PRESSURE input event support for touchscreen driver

Baohua Song Baohua.Song at csr.com
Sun Jun 26 23:05:32 EDT 2011

> -----Original Message-----
> From: linux-arm-kernel-bounces at lists.infradead.org
> [mailto:linux-arm-kernel-bounces at lists.infradead.org] On Behalf Of daoguang
> wu
> Sent: 2011年6月27日 10:15
> To: Mark Brown
> Cc: kgene.kim at samsung.com; ben-linux at fluff.org;
> dmitry.torokhov at gmail.com; linux-kernel at vger.kernel.org;
> wdgvip at gamil.com; linux-input at vger.kernel.org;
> linux-arm-kernel at lists.infradead.org
> Subject: Re: [PATCH] INPUT:Add ABS_PRESSURE input event support for
> touchscreen driver
> 2011/6/24 Mark Brown <broonie at opensource.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. 

> Thanks a lot.
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