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[solved] Lenovo Touchpad can't scroll
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DerPreis
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Joined: 30 Jul 2018
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PostPosted: Wed Aug 08, 2018 6:40 pm    Post subject: [solved] Lenovo Touchpad can't scroll Reply with quote

Hello!

I habe problems with my touchpad. I can use it simply but the 'two-finger' scroll function didn't seem to work. I already activated everything with synaptics I could find in the kernel but it still wont work.

Here are some logs:
Code:
lspci -k
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers (rev 05)
        Subsystem: Lenovo Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor PCIe Controller (x16) (rev 05)
        Kernel driver in use: pcieport
00:02.0 VGA compatible controller: Intel Corporation Device 591b (rev 04)
        Subsystem: Lenovo Device 39d1
        Kernel driver in use: i915
00:14.0 USB controller: Intel Corporation Sunrise Point-H USB 3.0 xHCI Controller (rev 31)
        Subsystem: Lenovo Sunrise Point-H USB 3.0 xHCI Controller
        Kernel driver in use: xhci_hcd
00:14.2 Signal processing controller: Intel Corporation Sunrise Point-H Thermal subsystem (rev 31)
        Subsystem: Lenovo Sunrise Point-H Thermal subsystem
00:16.0 Communication controller: Intel Corporation Sunrise Point-H CSME HECI #1 (rev 31)
        Subsystem: Lenovo Sunrise Point-H CSME HECI
00:17.0 SATA controller: Intel Corporation Sunrise Point-H SATA Controller [AHCI mode] (rev 31)
        Subsystem: Lenovo Sunrise Point-H SATA Controller [AHCI mode]
        Kernel driver in use: ahci
00:1c.0 PCI bridge: Intel Corporation Sunrise Point-H PCI Express Root Port #2 (rev f1)
        Kernel driver in use: pcieport
00:1c.2 PCI bridge: Intel Corporation Sunrise Point-H PCI Express Root Port #3 (rev f1)
        Kernel driver in use: pcieport
00:1c.3 PCI bridge: Intel Corporation Sunrise Point-H PCI Express Root Port #4 (rev f1)
        Kernel driver in use: pcieport
00:1f.0 ISA bridge: Intel Corporation Sunrise Point-H LPC Controller (rev 31)
        Subsystem: Lenovo Sunrise Point-H LPC Controller
00:1f.2 Memory controller: Intel Corporation Sunrise Point-H PMC (rev 31)
        Subsystem: Lenovo Sunrise Point-H PMC
00:1f.3 Audio device: Intel Corporation CM238 HD Audio Controller (rev 31)
        Subsystem: Lenovo CM238 HD Audio Controller
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel
00:1f.4 SMBus: Intel Corporation Sunrise Point-H SMBus (rev 31)
        Subsystem: Lenovo Sunrise Point-H SMBus
        Kernel driver in use: i801_smbus
01:00.0 3D controller: NVIDIA Corporation GP107M [GeForce GTX 1050 Mobile] (rev a1)
        Subsystem: Lenovo GP107M [GeForce GTX 1050 Mobile]
        Kernel driver in use: nvidia
        Kernel modules: nvidia_drm, nvidia
02:00.0 SD Host controller: O2 Micro, Inc. SD/MMC Card Reader Controller (rev 01)
        Subsystem: Lenovo SD/MMC Card Reader Controller
03:00.0 Network controller: Intel Corporation Dual Band Wireless-AC 3165 Plus Bluetooth (rev 99)
        Subsystem: Intel Corporation Dual Band Wireless-AC 3165 Plus Bluetooth
        Kernel driver in use: iwlwifi
        Kernel modules: iwlwifi
04:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 10)
        Subsystem: Lenovo RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
        Kernel driver in use: r8169


Code:
/etc/portage/make.conf
INPUT_DEVICES="libinput synaptics"


Last edited by DerPreis on Thu Aug 09, 2018 10:02 am; edited 1 time in total
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Maitreya
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PostPosted: Wed Aug 08, 2018 7:21 pm    Post subject: Reply with quote

Is it i2c or usb, because I don't see it listed in your lsspci?

Also, what are the kernel options you enabled for the touchpad?
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DerPreis
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PostPosted: Wed Aug 08, 2018 7:33 pm    Post subject: Reply with quote

Maitreya wrote:
Is it i2c or usb, because I don't see it listed in your lsspci?


I'm not sure. Its integrated in the Notebook, so i2c?

Maitreya wrote:
Also, what are the kernel options you enabled for the touchpad?


Device Drivers -->
Input device support -->
Mice -->
<*> ELAN I2C Touchpad Support
[*] Enable I2C Support
<*> Synaptics I2C Support
<*> Synaptics USB device Support

<*> Synaptics RMI4 bus support
<*> RMI4 I2C Support
<*> RMI4 SMB Support
[*] RMI4 Function 03 (PS2 Guest)
[*] RMI4 Function 11 (2D pointing)
[*] RMI4 Function 12 (2D pointing)
[*] RMI4 Function 30 (GPIO LED)
[*] RMI4 Function 34 (Device reflash)
[*] RMI4 Function 55 (Sensor tuning)


I don't wanna lie to you, I'm not realy sure what I activated there...
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Anon-E-moose
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PostPosted: Wed Aug 08, 2018 7:39 pm    Post subject: Reply with quote

Which computer do you have (laptop model)

For me, I have an acer (using intel stuff) and have to set the touchpad to basic (instead of advanced) in the bios.
Not sure what your options are.
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Asus m5a99fx, FX 8320 - nouveau & radeon, oss4
Acer laptop E5-575, i3-7100u - i965, alsa
---both---
5.0.13 zen kernel, profile 17.0 (no-pie) amd64-no-multilib
gcc 8.2.0, eudev, openrc, openbox, palemoon
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DerPreis
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PostPosted: Wed Aug 08, 2018 7:50 pm    Post subject: Reply with quote

It's a Lenovo Legion Y520, a optimus one if this is important.
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Anon-E-moose
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PostPosted: Wed Aug 08, 2018 8:22 pm    Post subject: Reply with quote

are there any bios setting for the touchpad?

It works (sort of) so it's recognized by linux, the drivers look ok, it should be synaptics/elan
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Asus m5a99fx, FX 8320 - nouveau & radeon, oss4
Acer laptop E5-575, i3-7100u - i965, alsa
---both---
5.0.13 zen kernel, profile 17.0 (no-pie) amd64-no-multilib
gcc 8.2.0, eudev, openrc, openbox, palemoon
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DerPreis
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PostPosted: Wed Aug 08, 2018 9:16 pm    Post subject: Reply with quote

I've looked into the bios but there wasn't an option for the synaptics... :?
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hhfeuer
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PostPosted: Thu Aug 09, 2018 8:22 am    Post subject: Reply with quote

What's the output of
dmesg |grep -i touch
grep -i touch /var/log/Xorg.0.log
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DerPreis
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PostPosted: Thu Aug 09, 2018 8:49 am    Post subject: Reply with quote

hhfeuer wrote:
What's the output of
dmesg |grep -i touch
grep -i touch /var/log/Xorg.0.log


Hi hhfeuer,

dmesg gives me no output for touch ...
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hhfeuer
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PostPosted: Thu Aug 09, 2018 9:12 am    Post subject: Reply with quote

Then make sure that
CONFIG_MOUSE_PS2
CONFIG_MOUSE_PS2_SYNAPTICS
CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS
and needed I2C hardware support is enabled.
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DerPreis
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PostPosted: Thu Aug 09, 2018 10:02 am    Post subject: Reply with quote

hhfeuer wrote:
Then make sure that
CONFIG_MOUSE_PS2
CONFIG_MOUSE_PS2_SYNAPTICS
CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS
and needed I2C hardware support is enabled.


I wasn't able to find the

Code:
CONFIG_MOUSE_PS2_SYNAPTICS
CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS

in the kernel.

But it works now. I enabled

Device Drivers --> Input Drivers --> Generic input layer... --> Mice -->

Code:
<M>PS/2 mouse (CONFIG_MOUSE_PS2)
[*] Elantech PS/2 protocol extension (CONFIG_MOUSE_PS2_ELANTECH)
[*] Sentelic Finger Sensing Pad PS/2 protocol extension (CONFIG_MOUSE_PS2_SENTELIC)
[*] eGalax TouchKit PS/2 protocol extension (CONFIG_MOUSE_PS2_TOUCHKIT)

and disabled everything else I had enabled before.

Now under lsmod I see the module psmouse. I think this will be the module for my touchpad then...

[Moderator edit: added [code] tags to preserve output layout. -Hu]
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hhfeuer
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PostPosted: Thu Aug 09, 2018 10:08 am    Post subject: Reply with quote

You should check
dmesg |grep -i touch
again, it should now tell you about missing kernel config options.
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DerPreis
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PostPosted: Thu Aug 09, 2018 10:13 am    Post subject: Reply with quote

Code:
dmesg | grep -i touch
[   13.041455] input: ETPS/2 Elantech Touchpad as /devices/platform/i8042/serio1/input/input9


That's the only output. Is it good?
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hhfeuer
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PostPosted: Thu Aug 09, 2018 10:17 am    Post subject: Reply with quote

It has nothing to complain about, so looks good.
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