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Moondhum
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Joined: 26 Jan 2017
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PostPosted: Fri Feb 24, 2017 5:40 am    Post subject: Synaptics touchpad not detected :) Reply with quote

Hello,

My system is unable to detect Synaptics touchpad on Dell Inspiron 14 3000 Series laptop, though it works fine when I boot with RescueCD.
I tried using genkernel, INPUT_DEVICES='synaptics evdev mouse keyboard' and now I have switched to 'libinput'. Also tried enabling all modules under
Code:
Device Drivers  --->[/i]
   Input device support  --->
      <*>   Event interface
      [*]   Mice  --->

Here is my /proc/bus/input/devices and dmesg from RescueCD and emerge --info from current system. I have enabled hid_rmi and i2c_hid
module as shown below in dmesg.
Code:
 root ~ # cat proc/bus/input/devices

I: Bus=0018 Vendor=06cb Product=2985 Version=0100
N: Name="DLL0652:00 06CB:2985"
P: Phys=i2c-DLL0652:00
S: Sysfs=/devices/pci0000:00/INT33C3:00/i2c-11/i2c-DLL0652:00/0018:06CB:2985.0003/input/input9
U: Uniq=
H: Handlers=mouse1 event10
B: PROP=5
B: EV=b
B: KEY=e520 0 10000 0 0 0 0 0 0 0 0
B: ABS=6738000 1000003


For some reason I am unable to put full length dmesg here so please find it here https://paste.linux.community/view/218e452e and my emerge --info from current
system https://paste.linux.community/view/866fad7f. Please suggest what I might be missing here.


Last edited by Moondhum on Sat Feb 25, 2017 2:57 pm; edited 1 time in total
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khayyam
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PostPosted: Fri Feb 24, 2017 6:17 am    Post subject: Reply with quote

Moondhum ...

you should probably also pastebin your .config, I would imagine CONFIG_MOUSE_SYNAPTICS_I2C is the required driver.

best ... khay
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Moondhum
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PostPosted: Fri Feb 24, 2017 11:52 am    Post subject: Reply with quote

I enabled CONFIG_MOUSE_SYNAPTICS_I2C but the touchpad is still not working. Here is my .config http://paste.ubuntu.com/24065235/

Last edited by Moondhum on Sat Feb 25, 2017 3:09 pm; edited 2 times in total
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Fitzcarraldo
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PostPosted: Fri Feb 24, 2017 12:25 pm    Post subject: Re: Synaptics touchpad not detected :) Reply with quote

Moondhum wrote:
I tried using genkernel, INPUT_DEVICES='synaptics evdev mouse keyboard' and now I have switched to 'libinput'.

The X.Org mouse and keyboard drivers are obsolete. All you should need is INPUT_DEVICES="synaptics evdev".

I don't use libinput myself, but noted this comment about it by asturm in the thread Keymap on Plasma (konsole&generally) still US layout:

asturm wrote:
Plasma users have always set their keyboard layout in systemsettings, even though the default is to just take the system default.

If you recently switched to libinput, setting the layout in xorg.conf does not work anymore and you have to take to systemsettings.

I wonder if that applies to touchpads too.
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Moondhum
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PostPosted: Fri Feb 24, 2017 2:04 pm    Post subject: Reply with quote

Fitzcarraldo,

Wiki suggested using 'evdev synaptics' but I saw others using 'mouse keyboard' too so I hoped it would solve my problem but it didn't. :D
System settings doesn't show my touchpad at, its not detected even in dmesg, My guess is my problem is with kernel module but don't know which.
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