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Date:      Fri, 23 Aug 2013 11:17:53 +0200
From:      Ke Sun <sunk.cs@gmail.com>
To:        =?iso-8859-1?Q?Jean-S=E9bastien_P=E9dron?= <dumbbell@FreeBSD.org>
Cc:        freebsd-x11@freebsd.org
Subject:   Re: unsupported synaptics touchpad
Message-ID:  <20130823091753.GA21594@probe.unige.ch>
In-Reply-To: <52171DE6.7030909@FreeBSD.org>
References:  <20130822155651.GA32146@probe.unige.ch> <52171DE6.7030909@FreeBSD.org>

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Hi, thanks for pointing out the problem.

I tried tunning hw.psm in /boot/loader.conf by varying the values
of hw.psm.synaptics_support, hw.tap_*. I always get an annoying 
sensitive mouse with tapping. Sometimes better, but still very annoying
for typing. I would rather ignore the device if that's the only way.

Also, setting these values only in /boot/loader.conf does not work.
After boot it will be restored to some default values. Setting in
/etc/sysctl.conf works (meaning that it really changes the parameter).
Tunning by hand with sysctl also works.

On Fri, Aug 23, 2013 at 10:31:34AM +0200, Jean-Sébastien Pédron wrote:
> On 22.08.2013 17:56, Ke Sun wrote:
> > It turns out that the synaptics driver shipped with
> > xf86-input-synaptics does not support my touchpad.
> 
> Hello!
> 
> It seems this laptop has an Elantech touchpad, not a Synpatics one. On
> Linux, xf86-input-synaptics uses a Linux-only API to communicate with
> and support this touchpad, not the PS/2 common interface.
> 
> So I fear that your touchpad isn't supported by xf86-inpt-synaptics on
> FreeBSD.
> 
> > # sysctl hw.psm               # tunning these parameters is not helping
> > hw.psm.tap_enabled: 0
> > hw.psm.tap_threshold: 50000
> > hw.psm.tap_timeout: 0
> 
> Those are tunables, not sysctls, meaning they must be set in
> /boot/loader.conf. Could you please try that?
> 
> -- 
> Jean-Sébastien Pédron



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