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#1 2021-06-09 20:06:59

dariolol
Member
Registered: 2021-06-09
Posts: 5

Touchpad doesent work over i2c-hid

Hi, i own a Chuwi Lapbook Pro.
Everything works, except the touchpad.
The touchpad works randomly, sometimes it works everything and sometimes not.
When i start the PC and i notice that the touchpad doesent work, i remove i2c-hid module and add it again.
Once the touchpad started working, it work until i shutdown my pc.
Its a HTIX 5288 and on the official forum (https://forum.chuwi.com/t/fix-linux-tou … 5288/23365) someone posted a systemd service to check if the touchpad is dead and reload it, but its just a workaround. Any ideas?

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#2 2021-06-09 20:12:39

icar
Member
Registered: 2020-07-31
Posts: 163

Re: Touchpad doesent work over i2c-hid

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#3 2021-06-09 20:15:52

dariolol
Member
Registered: 2021-06-09
Posts: 5

Re: Touchpad doesent work over i2c-hid

Thanks, i will try right now. But my laptop isnt a Elantech

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#4 2021-06-09 20:20:20

dariolol
Member
Registered: 2021-06-09
Posts: 5

Re: Touchpad doesent work over i2c-hid

Okay, it doesnt work. I rebooted two times

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#5 2021-06-09 20:26:54

dariolol
Member
Registered: 2021-06-09
Posts: 5

Re: Touchpad doesent work over i2c-hid

[Wed Jun  9 22:18:32 2021] hid-generic 0018:0911:5288.0001: unknown main item tag 0x0
[Wed Jun  9 22:18:32 2021] hid-generic 0018:0911:5288.0001: unknown main item tag 0x0
[Wed Jun  9 22:18:32 2021] hid-generic 0018:0911:5288.0001: unknown main item tag 0x0
[Wed Jun  9 22:18:32 2021] hid-generic 0018:0911:5288.0001: collection stack underflow
[Wed Jun  9 22:18:32 2021] hid-generic 0018:0911:5288.0001: item 0 0 0 12 parsing failed
[Wed Jun  9 22:18:32 2021] hid-generic: probe of 0018:0911:5288.0001 failed with error -22
[Wed Jun  9 22:18:32 2021] urandom_read: 3 callbacks suppressed
[Wed Jun  9 22:18:32 2021] thermal thermal_zone4: failed to read out thermal zone (-61)
[Wed Jun  9 22:18:33 2021] hid-multitouch 0018:0911:5288.0001: unknown main item tag 0x0
[Wed Jun  9 22:18:33 2021] hid-multitouch 0018:0911:5288.0001: unknown main item tag 0x0
[Wed Jun  9 22:18:33 2021] hid-multitouch 0018:0911:5288.0001: unknown main item tag 0x0
[Wed Jun  9 22:18:33 2021] hid-multitouch 0018:0911:5288.0001: collection stack underflow
[Wed Jun  9 22:18:33 2021] hid-multitouch 0018:0911:5288.0001: item 0 0 0 12 parsing failed
[Wed Jun  9 22:18:33 2021] hid-multitouch: probe of 0018:0911:5288.0001 failed with error -22


here are the logs

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#6 2021-06-09 20:35:49

icar
Member
Registered: 2020-07-31
Posts: 163

Re: Touchpad doesent work over i2c-hid

Do you have libinput and xf86-input-libinput (if you use XOrg) installed? And linux-firmware?

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#7 2021-06-09 20:37:59

dariolol
Member
Registered: 2021-06-09
Posts: 5

Re: Touchpad doesent work over i2c-hid

yes, i have everything. Now i added kernel parameters specified in that page and i got this error after rebooting. This time touchpad still doesent work.
[Wed Jun  9 22:35:45 2021] i2c_hid_acpi i2c-HTIX5288:00: weird size of HID descriptor (5)
[Wed Jun  9 22:35:45 2021] i2c_hid_acpi i2c-HTIX5288:00: Failed to fetch the HID Descriptor

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