Re: [Acer Travelmate B115-M] Synaptic touchpad

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Hi Josep,

On Mon, Oct 12, 2015 at 3:27 PM, Josep Pujadas-Jubany
<jpujades@xxxxxxxxx> wrote:
> Benjamin,
>
> Attached hid-recorder_output.txt

Thanks for both logs. From what I can see from the hid-recorder
output, you are already using the touchpad in the multitouch mode.
I do not see any problems. You might want to re-record some events
when using 2 fingers (like when you are scrolling), but currently, the
touchpad is working just fine from the kernel point of view.

If you run "sudo evemu-record" and select the touchpad, you will see
that all touches are processed correctly (lots of
ABS_MT_POSITION_X|Y).

You can also try mtview or mtdiag-qt
(https://github.com/bentiss/mtdiag-qt) to actually see the touches,
and check that your device is working fine.

>
> sudo ./src/hid-recorder /dev/hidraw* > hid-recorder_output.txt
>
> I first unplugged the external USB mouse that I have. I launched
> hid-recorder and I moved the TouchPad cursor.
>
> I had to use sudo to avoid "Unable to open device: Permission denied" warning.

Yes, this is normal. We do not want anybody to open the hidraw nodes
and log the keys :)

Cheers,
Benjamin

> 2015-10-06 10:59 GMT+02:00 Benjamin Tissoires <benjamin.tissoires@xxxxxxxxx>:
>> Hi Josep,
>>
>> On Tue, Oct 6, 2015 at 10:02 AM, Josep Pujadas-Jubany
>> <jpujades@xxxxxxxxx> wrote:
>>> Benjamin,
>>>
>>> I'm sorry. I just wanted to summarize the problem I reported at
>>> bugs.launchpad.net
>>
>> No worries. I know exactly why everyone coming from ubuntu always
>> sends such a mail, and this is what annoys me ;)
>>
>>>
>>> I followed the instructions that Ubuntu Team said to me,
>>> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1493814/comments/33
>>>
>>> The rest is only my ignorance about Linux Kernel. I'm sorry twice!
>>
>> no worries twice :)
>>
>>>
>>> I will try to explain a new time the problem. I have no idea if it's
>>> caused by the input module or not. Perhaps it is a problem of the i2c
>>> module.
>>>
>>> The Synaptic Touchpad is detected as SYN1B7D:01 06CB:2991 UNKNOWN with
>>> default BIOS settings (i2c mode activated).
>>>
>>> I tried this with the last version of the BIOS and latest kernel 64
>>> bit available.
>>>
>>> When this occurs the Touchpad works just like a simple mouse.
>>
>> OK, so the good thing is that your i2c module is working properly
>> otherwise we would not see your touchpad at all under HID.
>>
>> The fact that the touchpad stays in mouse emulation mode means that
>> there is something fishy with the touchpad which prevents us to switch
>> it to the multitouch mode. (adding Andrew in CC, he should be able to
>> help us).
>>
>> Can you upload a dmesg with "i2c-hid.debug=1" appended to the command
>> line? (in grub, type this without quotes at the end of the line
>> containing the kernel boot parameters).
>>
>> Also, could you send us the output of hid-recorder [1]? (download the
>> source, compile it and run "src/hid-recorder /dev/hidraw*"). This
>> should help us understanding what is going on.
>>
>> Cheers,
>> Benjamin
>>
>> [1] http://bentiss.github.io/hid-replay-docs/
>>
>>>
>>> Thanks!
>>>
>>> Josep
>>>
>>>
>>> 2015-10-05 11:09 GMT+02:00 Benjamin Tissoires <benjamin.tissoires@xxxxxxxxx>:
>>>> Hi Josep,
>>>>
>>>> [please do not take my rant personally, I know it can be difficult to
>>>> report a problem upstream]
>>>>
>>>> On Sun, Oct 4, 2015 at 7:26 PM, Josep Pujadas-Jubany <jpujades@xxxxxxxxx> wrote:
>>>>> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1493814
>>>>>
>>>>> Touchpad has issues working
>>>>> ===========================
>>>>>
>>>>> The mainline kernel does not fix the issue
>>>>>
>>>>> Latest BIOS (1.38)
>>>>
>>>> Oh boy. We are not robots. Please add some valuable information like
>>>> what is the issue, and what you are seeing. We are humans and a little
>>>> bit of phrasing does not hurt (I know the ubuntu howto tells you to
>>>> consider us as robot, and I really am offended each time we receive
>>>> such a bug report).
>>>>
>>>>>
>>>>> BIOS Touchpad option ---> Advanced
>>>>> ==================================
>>>>>
>>>>> $ xinput
>>>>> ⎜ ↳ SYN1B7D:01 06CB:2991 UNKNOWN id=11 [slave pointer (2)]
>>>>>
>>>>> $ dmesg | grep -E "(mouse|input)"
>>>>> [ 14.668719] input: SYN1B7D:01 06CB:2991 UNKNOWN as
>>>>> /devices/platform/80860F41:00/i2c-0/i2c-SYN1B7D:01/0018:06CB:2991.0001/input/input7
>>>>> [ 14.669434] hid-multitouch 0018:06CB:2991.0001: input,hidraw0:
>>>>> <UNKNOWN> HID v1.00 Mouse [SYN1B7D:01 06CB:2991] on
>>>>
>>>> This looks good to me from the input point of view. Please describe
>>>> which issues you are seeing, because here, all we can say is that it
>>>> is normal and there is nothing to be done.
>>>>
>>>>>
>>>>> BIOS Touchpad option ---> Basic
>>>>> ===============================
>>>>>
>>>>> $ xinput
>>>>> ⎜ ↳ SynPS/2 Synaptics TouchPad id=12 [slave pointer (2)]
>>>>>
>>>>> $ dmesg | grep -E "(mouse|input)"
>>>>> [ 2.367407] psmouse serio2: synaptics: queried max coordinates: x
>>>>> [..5662], y [..4728]
>>>>> [ 2.410703] psmouse serio2: synaptics: queried min coordinates: x
>>>>> [1322..], y [1190..]
>>>>> [ 2.493774] psmouse serio2: synaptics: Touchpad model: 1, fw: 8.1, id:
>>>>> 0x1e2b1, caps: 0xd40123/0x840300/0x126800, board id: 2991, fw id:
>>>>> 1626681
>>>>> [ 2.543305] input: SynPS/2 Synaptics TouchPad as
>>>>> /devices/platform/i8042/serio2/input/input11
>>>>
>>>> OK, this is normal too.
>>>>
>>>> Cheers,
>>>> Benjamin
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