Touchpad not working on Lenovo Yoga slim 7 (KDE)

Hi, my touchpad on Lenovo Yoga slim 7 (KDE) is not working. It seems like it’s a problem of Elan touchpad. Can somebody help me fix it?
Thanks in advance.

Some PC specs:

System:
  Kernel: 6.0.15-1-MANJARO arch: x86_64 bits: 64 compiler: gcc v: 12.2.0
    parameters: BOOT_IMAGE=/boot/vmlinuz-6.0-x86_64
    root=UUID=c4d3e5d3-3d20-4595-8176-07dcd5614be8 rw quiet apparmor=1
    security=apparmor udev.log_priority=3
  Desktop: KDE Plasma v: 5.26.4 tk: Qt v: 5.15.7 wm: kwin_x11 vt: 1 dm: SDDM
    Distro: Manjaro Linux base: Arch Linux
Machine:
  Type: Laptop System: LENOVO product: 82AC v: Yoga Slim 7 15ITL05
    serial: <superuser required> Chassis: type: 10 v: Yoga Slim 7 15ITL05
    serial: <superuser required>
  Mobo: LENOVO model: LNVNB161216 v: NO DPK serial: <superuser required>
    UEFI: LENOVO v: FBCN24WW date: 02/05/2021
Battery:
  ID-1: BAT1 charge: 63.7 Wh (100.0%) condition: 63.7/71.0 Wh (89.7%)
    volts: 17.4 min: 15.4 model: Celxpert L19C4PF5 type: Li-poly serial: <filter>
    status: full cycles: 109
Memory:
  RAM: total: 15.43 GiB used: 4.81 GiB (31.2%)
  RAM Report: permissions: Unable to run dmidecode. Root privileges required.
CPU:
  Info: model: 11th Gen Intel Core i7-1165G7 bits: 64 type: MT MCP
    arch: Tiger Lake gen: core 11 level: v4 note: check built: 2020
    process: Intel 10nm family: 6 model-id: 0x8C (140) stepping: 1
    microcode: 0xA6
  Topology: cpus: 1x cores: 4 tpc: 2 threads: 8 smt: enabled cache:
    L1: 320 KiB desc: d-4x48 KiB; i-4x32 KiB L2: 5 MiB desc: 4x1.2 MiB L3: 12 MiB
    desc: 1x12 MiB
  Speed (MHz): avg: 1011 high: 1178 min/max: 400/4700 scaling:
    driver: intel_pstate governor: powersave cores: 1: 975 2: 1178 3: 1006
    4: 1111 5: 658 6: 1038 7: 1043 8: 1086 bogomips: 44864
  Flags: 3dnowprefetch abm acpi adx aes aperfmperf apic arat
    arch_capabilities arch_perfmon art avx avx2 avx512_bitalg avx512_vbmi2
    avx512_vnni avx512_vp2intersect avx512_vpopcntdq avx512bw avx512cd
    avx512dq avx512f avx512ifma avx512vbmi avx512vl bmi1 bmi2 bts cat_l2
    cdp_l2 clflush clflushopt clwb cmov constant_tsc cpuid cpuid_fault cx16
    cx8 de ds_cpl dtes64 dtherm dts epb ept ept_ad erms est f16c flexpriority
    flush_l1d fma fpu fsgsbase fsrm fxsr gfni ht hwp hwp_act_window hwp_epp
    hwp_notify hwp_pkg_req ibpb ibrs ibrs_enhanced ibt ida intel_pt invpcid
    invpcid_single lahf_lm lm mca mce md_clear mmx monitor movbe movdir64b
    movdiri msr mtrr nonstop_tsc nopl nx ospke pae pat pbe pcid pclmulqdq pdcm
    pdpe1gb pebs pge pku pln pni popcnt pse pse36 pts rdpid rdrand rdseed
    rdt_a rdtscp rep_good sdbg sep sha_ni smap smep split_lock_detect ss ssbd
    sse sse2 sse4_1 sse4_2 ssse3 stibp syscall tm tm2 tpr_shadow tsc
    tsc_adjust tsc_deadline_timer tsc_known_freq umip vaes vme vmx vnmi
    vpclmulqdq vpid x2apic xgetbv1 xsave xsavec xsaveopt xsaves xtopology xtpr
  Vulnerabilities:
  Type: itlb_multihit status: Not affected
  Type: l1tf status: Not affected
  Type: mds status: Not affected
  Type: meltdown status: Not affected
  Type: mmio_stale_data status: Not affected
  Type: retbleed status: Not affected
  Type: spec_store_bypass mitigation: Speculative Store Bypass disabled via
    prctl
  Type: spectre_v1 mitigation: usercopy/swapgs barriers and __user pointer
    sanitization
  Type: spectre_v2 mitigation: Enhanced IBRS, IBPB: conditional, RSB
    filling, PBRSB-eIBRS: SW sequence
  Type: srbds status: Not affected
  Type: tsx_async_abort status: Not affected
Graphics:
  Device-1: Intel TigerLake-LP GT2 [Iris Xe Graphics] vendor: Lenovo
    driver: i915 v: kernel arch: Gen-12.1 process: Intel 10nm built: 2020-21
    ports: active: eDP-1 empty: DP-1,DP-2,HDMI-A-1 bus-ID: 00:02.0
    chip-ID: 8086:9a49 class-ID: 0300
  Device-2: Chicony Integrated Camera type: USB driver: uvcvideo
    bus-ID: 3-6:3 chip-ID: 04f2:b6cb class-ID: fe01 serial: <filter>
  Display: x11 server: X.Org v: 21.1.6 compositor: kwin_x11 driver: X:
    loaded: modesetting alternate: fbdev,vesa dri: iris gpu: i915 display-ID: :0
    screens: 1
  Screen-1: 0 s-res: 1920x1080 s-dpi: 96 s-size: 508x285mm (20.00x11.22")
    s-diag: 582mm (22.93")
  Monitor-1: eDP-1 model: BOE Display 0x08b9 built: 2019 res: 1920x1080
    hz: 60 dpi: 142 gamma: 1.2 size: 344x194mm (13.54x7.64") diag: 395mm (15.5")
    ratio: 16:9 modes: 1920x1080
  API: OpenGL v: 4.6 Mesa 22.3.1 renderer: Mesa Intel Xe Graphics (TGL GT2)
    direct render: Yes
Audio:
  Device-1: Intel Tiger Lake-LP Smart Sound Audio vendor: Lenovo
    driver: sof-audio-pci-intel-tgl
    alternate: snd_hda_intel,snd_sof_pci_intel_tgl bus-ID: 00:1f.3
    chip-ID: 8086:a0c8 class-ID: 0401
  Sound API: ALSA v: k6.0.15-1-MANJARO running: yes
  Sound Server-1: JACK v: 1.9.21 running: no
  Sound Server-2: PulseAudio v: 16.1 running: yes
  Sound Server-3: PipeWire v: 0.3.63 running: yes
Network:
  Device-1: Intel Wi-Fi 6 AX201 driver: iwlwifi v: kernel bus-ID: 00:14.3
    chip-ID: 8086:a0f0 class-ID: 0280
  IF: wlp0s20f3 state: up mac: <filter>
  IP v4: <filter> type: dynamic noprefixroute scope: global
    broadcast: <filter>
  IP v6: <filter> type: noprefixroute scope: link
  WAN IP: <filter>
Bluetooth:
  Device-1: Intel AX201 Bluetooth type: USB driver: btusb v: 0.8 bus-ID: 3-10:4
    chip-ID: 8087:0026 class-ID: e001
  Report: rfkill ID: hci0 rfk-id: 2 state: up address: see --recommends
Logical:
  Message: No logical block device data found.
RAID:
  Message: No RAID data found.
Drives:
  Local Storage: total: 953.87 GiB used: 394.46 GiB (41.4%)
  SMART Message: Unable to run smartctl. Root privileges required.
  ID-1: /dev/nvme0n1 maj-min: 259:0 vendor: Western Digital model: PC SN730
    SDBPNTY-1T00-1101 size: 953.87 GiB block-size: physical: 512 B
    logical: 512 B speed: 31.6 Gb/s lanes: 4 type: SSD serial: <filter>
    rev: 11170001 temp: 38.9 C scheme: GPT
  Message: No optical or floppy data found.
Partition:
  ID-1: / raw-size: 831.52 GiB size: 817.39 GiB (98.30%)
    used: 394.41 GiB (48.3%) fs: ext4 dev: /dev/nvme0n1p2 maj-min: 259:2
    label: N/A uuid: c4d3e5d3-3d20-4595-8176-07dcd5614be8
  ID-2: /boot/efi raw-size: 300 MiB size: 299.4 MiB (99.80%)
    used: 43.7 MiB (14.6%) fs: vfat dev: /dev/nvme0n1p1 maj-min: 259:1
    label: NO_LABEL uuid: D599-E943
Swap:
  Alert: No swap data was found.
Unmounted:
  ID-1: /dev/nvme0n1p3 maj-min: 259:3 size: 16 MiB fs: <superuser required>
    label: N/A uuid: N/A
  ID-2: /dev/nvme0n1p4 maj-min: 259:4 size: 121.22 GiB fs: ntfs label: N/A
    uuid: 1EFA51BFFA51943D
  ID-3: /dev/nvme0n1p5 maj-min: 259:5 size: 836 MiB fs: ntfs label: N/A
    uuid: FA8838EF8838AC4F
USB:
  Hub-1: 1-0:1 info: Hi-speed hub with single TT ports: 1 rev: 2.0
    speed: 480 Mb/s chip-ID: 1d6b:0002 class-ID: 0900
  Hub-2: 2-0:1 info: Super-speed hub ports: 4 rev: 3.1 speed: 10 Gb/s
    chip-ID: 1d6b:0003 class-ID: 0900
  Hub-3: 3-0:1 info: Hi-speed hub with single TT ports: 12 rev: 2.0
    speed: 480 Mb/s chip-ID: 1d6b:0002 class-ID: 0900
  Device-1: 3-3:2 info: SteelSeries ApS Rival 110 Gaming Mouse
    type: HID,Mouse driver: hid-generic,usbhid interfaces: 2 rev: 1.1
    speed: 12 Mb/s power: 100mA chip-ID: 1038:1729 class-ID: 0301
  Device-2: 3-6:3 info: Chicony Integrated Camera type: Video
    driver: uvcvideo interfaces: 5 rev: 2.0 speed: 480 Mb/s power: 500mA
    chip-ID: 04f2:b6cb class-ID: fe01 serial: <filter>
  Device-3: 3-10:4 info: Intel AX201 Bluetooth type: Bluetooth driver: btusb
    interfaces: 2 rev: 2.0 speed: 12 Mb/s power: 100mA chip-ID: 8087:0026
    class-ID: e001
  Hub-4: 4-0:1 info: Super-speed hub ports: 4 rev: 3.1 speed: 10 Gb/s
    chip-ID: 1d6b:0003 class-ID: 0900
Sensors:
  System Temperatures: cpu: 37.0 C mobo: N/A
  Fan Speeds (RPM): N/A
Info:
  Processes: 243 Uptime: 8m wakeups: 329 Init: systemd v: 252
  default: graphical tool: systemctl Compilers: gcc: 12.2.0 clang: 14.0.6
  Packages: 1681 pm: pacman pkgs: 1641 libs: 407 tools: pamac pm: flatpak
  pkgs: 26 pm: snap pkgs: 14 Shell: Zsh v: 5.9 default: Bash v: 5.1.16
  running-in: konsole inxi: 3.3.24

cat /proc/bus/input/devices output:

I: Bus=0019 Vendor=0000 Product=0005 Version=0000
N: Name="Lid Switch"
P: Phys=PNP0C0D/button/input0
S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input0
U: Uniq=
H: Handlers=event0 
B: PROP=0
B: EV=21
B: SW=1

I: Bus=0019 Vendor=0000 Product=0001 Version=0000
N: Name="Power Button"
P: Phys=PNP0C0C/button/input0
S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1
U: Uniq=
H: Handlers=kbd event1 
B: PROP=0
B: EV=3
B: KEY=10000000000000 0

I: Bus=0019 Vendor=0000 Product=0003 Version=0000
N: Name="Sleep Button"
P: Phys=PNP0C0E/button/input0
S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2
U: Uniq=
H: Handlers=kbd event2 
B: PROP=0
B: EV=3
B: KEY=4000 0 0

I: Bus=0019 Vendor=0000 Product=0001 Version=0000
N: Name="Power Button"
P: Phys=LNXPWRBN/button/input0
S: Sysfs=/devices/LNXSYSTM:00/LNXPWRBN:00/input/input3
U: Uniq=
H: Handlers=kbd event3 
B: PROP=0
B: EV=3
B: KEY=10000000000000 0

I: Bus=0011 Vendor=0001 Product=0001 Version=ab83
N: Name="AT Translated Set 2 keyboard"
P: Phys=isa0060/serio0/input0
S: Sysfs=/devices/platform/i8042/serio0/input/input4
U: Uniq=
H: Handlers=sysrq kbd leds event4 
B: PROP=0
B: EV=120013
B: KEY=402000000 3803078f800d001 feffffdfffefffff fffffffffffffffe
B: MSC=10
B: LED=7

I: Bus=0019 Vendor=0000 Product=0000 Version=0000
N: Name="Intel HID events"
P: Phys=
S: Sysfs=/devices/platform/INT33D5:00/input/input5
U: Uniq=
H: Handlers=kbd event5 rfkill 
B: PROP=0
B: EV=13
B: KEY=81000300000000 5000004000 1e294000000020 0
B: MSC=10

I: Bus=0019 Vendor=0000 Product=0000 Version=0000
N: Name="Ideapad extra buttons"
P: Phys=ideapad/input0
S: Sysfs=/devices/pci0000:00/0000:00:1f.0/PNP0C09:00/VPC2004:00/input/input6
U: Uniq=
H: Handlers=kbd event6 rfkill 
B: PROP=0
B: EV=13
B: KEY=81000800100c03 4400000000300000 0 2
B: MSC=10

I: Bus=0010 Vendor=001f Product=0001 Version=0100
N: Name="PC Speaker"
P: Phys=isa0061/input0
S: Sysfs=/devices/platform/pcspkr/input/input7
U: Uniq=
H: Handlers=kbd event7 
B: PROP=0
B: EV=40001
B: SND=6

I: Bus=0018 Vendor=04f3 Product=0060 Version=0000
N: Name="Elan Touchpad"
P: Phys=
S: Sysfs=/devices/pci0000:00/0000:00:15.1/i2c_designware.1/i2c-1/i2c-ELAN0000:00/input/input8
U: Uniq=
H: Handlers=event8 mouse0 
B: PROP=5
B: EV=b
B: KEY=e520 10000 0 0 0 0
B: ABS=663800013000003

I: Bus=0019 Vendor=0000 Product=0006 Version=0000
N: Name="Video Bus"
P: Phys=LNXVIDEO/video/input0
S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input9
U: Uniq=
H: Handlers=kbd event9 
B: PROP=0
B: EV=3
B: KEY=3e000b00000000 0 0 0

I: Bus=0003 Vendor=1038 Product=1729 Version=0111
N: Name="SteelSeries SteelSeries Rival 110 Gaming Mouse"
P: Phys=usb-0000:00:14.0-3/input1
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb3/3-3/3-3:1.1/0003:1038:1729.0003/input/input10
U: Uniq=
H: Handlers=event10 mouse1 
B: PROP=0
B: EV=1f
B: KEY=3f0000 0 0 0 0
B: REL=903
B: ABS=10000000000
B: MSC=10

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="sof-hda-dsp Mic"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:1f.3/skl_hda_dsp_generic/sound/card0/input11
U: Uniq=
H: Handlers=event11 
B: PROP=0
B: EV=21
B: SW=10

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="sof-hda-dsp Headphone"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:1f.3/skl_hda_dsp_generic/sound/card0/input12
U: Uniq=
H: Handlers=kbd event12 
B: PROP=0
B: EV=23
B: KEY=40 0 0 0 0 0 0 1000000000 c000000000000 0
B: SW=4

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="sof-hda-dsp HDMI/DP,pcm=3"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:1f.3/skl_hda_dsp_generic/sound/card0/input13
U: Uniq=
H: Handlers=event13 
B: PROP=0
B: EV=21
B: SW=140

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="sof-hda-dsp HDMI/DP,pcm=4"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:1f.3/skl_hda_dsp_generic/sound/card0/input14
U: Uniq=
H: Handlers=event14 
B: PROP=0
B: EV=21
B: SW=140

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="sof-hda-dsp HDMI/DP,pcm=5"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:1f.3/skl_hda_dsp_generic/sound/card0/input15
U: Uniq=
H: Handlers=event15 
B: PROP=0
B: EV=21
B: SW=140

I: Bus=0003 Vendor=04f2 Product=b6cb Version=7818
N: Name="Integrated Camera: Integrated C"
P: Phys=usb-0000:00:14.0-6/button
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb3/3-6/3-6:1.0/input/input16
U: Uniq=
H: Handlers=kbd event16 
B: PROP=0
B: EV=3
B: KEY=100000 0 0 0

I: Bus=0003 Vendor=04f2 Product=b6cb Version=7818
N: Name="Integrated Camera: Integrated I"
P: Phys=usb-0000:00:14.0-6/button
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb3/3-6/3-6:1.2/input/input17
U: Uniq=
H: Handlers=kbd event17 
B: PROP=0
B: EV=3
B: KEY=100000 0 0 0

https://wiki.archlinux.org/title/Lenovo_Yoga_Slim_7_(AMD)

elants_i2c would need to be blacklisted instead for the Intel version of the Lenovo Yoga Slim 7.

And how can I do that? I’m still kinda new to manjaro

EDIT:
I found a topic about it (elan-touchpad) and created .conf with blacklisted elants_i2c but the touchpad is still not working.

additionally you might have to regenerate initramfs, and reboot afterwards.

to regenerate initramfs;

$ sudo mkinitcpio -P
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