Re: PROBLEM: Touchpad works just like a mouse

From: Hans de Goede <hdegoede@redhat.com>
To: "David Zafra Gómez" <dezeta@klo.es>,
	"Benjamin Tissoires" <benjamin.tissoires@gmail.com>
Cc: linux-input <linux-input@vger.kernel.org>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	Duson Lin <dusonlin@emc.com.tw>, Jiri Kosina <jkosina@suse.cz>
Subject: Re: PROBLEM: Touchpad works just like a mouse
Date: Mon, 18 May 2015 12:19:01 +0200	[thread overview]
Message-ID: <5559BC95.1010304@redhat.com> (raw)
In-Reply-To: <554A77AE.5030801@klo.es>

Hi,

On 06-05-15 22:21, David Zafra Gómez wrote:
> Hi Hans
>
> Sorry for the delay.
>
> I'm afraid I haven't built a kernel before, so I need some help.
>
> I've found this link I think describes what I have to do
> https://www.kernel.org/doc/Documentation/applying-patches.txt
> I suppose it's right.
>
> I've installed kernel 4.0.0-040000rc6.201503291935. So I suppose I have to
> download sources for this kernel.
>
> Once downloaded, I have to change to the kernel source dir and run:
> $ patch -p1 < ../0001-elantech-Fix-detection-of-touchpads-where-the-revisi.patch
>
> Is all that right?

Yes that is correct.

> If yes, should I compile this patched kernel? How can I do it?

Usually your distro will have a wikipage with instructions on how to build
your own kernel, and it is best to follow your distros instructions.

If you're using Fedora I can build a test kernel for you to install.

Regards,

Hans

>
> Thanks in advance.
>
> David Zafra
>
> El 30/04/15 a las 10:38, Hans de Goede escribió:
>> Hi,
>>
>> On 30-04-15 07:34, David Zafra Gómez wrote:
>>> Hi everyone
>>>
>>> El 29/04/15 a las 09:35, Hans de Goede escribió:
>>>> Hi,
>>>>
>>>> On 28-04-15 23:26, David Zafra Gómez wrote:
>>>>> [    0.257439] pnp 00:06: Plug and Play ACPI device, IDs ETD0108
>>>>> SYN0a00 SYN0002 PNP0f03 PNP0f13 PNP0f12 (active)
>>>>
>>>> Ok, so the "ETD0108" here means that you have an elantech ps/2 touchpad.
>>> Great! You got it.
>>>>
>>>> This also stands out in the log:
>>>>
>>>> > [    0.958323] i8042: [49] MUX error, status is 75, data is fe
>>>>
>>>> So the first thing to try is to boot with i8042.nomux=1 on the kernel
>>>> commandline.
>>> I have done it. The touchpad issue hasn't been solved. Do you want me to send
>>> dmesg output?
>>
>> I've taken another look at the traces you've posted before and I think that
>> I've found the problem. Can you build a kernel with the attached patch
>> and let us know if that fixes things ?
>>
>> Regards,
>>
>> Hans
>>
>>
>> -----
>> No se encontraron virus en este mensaje.
>> Comprobado por AVG -www.avg.com
>> Versión: 2015.0.5863 / Base de datos de virus: 4339/9659 - Fecha de publicación: 04/29/15
>
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