Perhaps I've got the same problem but there's something that I don't
understand since I don't know much about hardware/driver. Does
downgrading linux-firmware through synaptic "force version" solve the
problem? Or the upgraded versions wrote something permanent in some I
don't know flash EPROM.. ?!
I am currently on the older version of the keyboard firmware, since
there's now a way to downgrade. Although it does indeed feature
multitouch gestures and such, it's apparently not detected as a touchpad
either, and appears as a generic device too, as far as I know. It's also
quite imprecise and h
Regarding my previous comment: It appears the extra "USB HID v1.10
Device" is a red herring - this device corresponds to the extra function
keys (eg: for volume, brightness, airplane mode, wifi control/etc), as
proven by testing with evtest (or observing hidraw).
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@jkusa, not yet.
However, I did a bit of work today in an attempt to contrast a working
with a broken version (eg: old vs new keyboard/trackpad firmware),
however it doesn't appear to be possible to downgrade the firmware due
to lack of an image.
After a bit of digging, I was able to find an exam
Just ran into this issue! Any updates or workarounds?
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https://bugs.launchpad.net/bugs/1647199
Title:
ELAN touchpad acts as generic mouse after firmware update
To manage notifications
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-hwe-edge (Ubuntu)
Status: New => Confirmed
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Titl
I'm suffering this exact problem - apparently the firmware update to the
keyboard/touchpad required new drivers due to changes in the underyling
device IDs: https://forums.lenovo.com/t5/Windows-based-Tablets/Miix-700
-Keyboard-dropouts-are-so-vexing-need-firmware-
update/m-p/3461576/highlight/true#
$ lsusb -t
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/6p, 5000M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/12p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M
|__ Port 3: Dev 6, If 0, Class=Human Interface Device, Driver=usbhid,
1.5M
** Attachment added: "lsusb -v output for Lenovo device only"
https://bugs.launchpad.net/ubuntu/+source/linux-hwe-edge/+bug/1647199/+attachment/4787392/+files/lsusbv.txt
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** Attachment added: "lsmod output"
https://bugs.launchpad.net/ubuntu/+source/linux-hwe-edge/+bug/1647199/+attachment/4787394/+files/lsmod.txt
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** Attachment added: "dmesg output during keyboard remove / re-attach"
https://bugs.launchpad.net/ubuntu/+source/linux-hwe-edge/+bug/1647199/+attachment/4787393/+files/dmesg.txt
** Description changed:
Hardware: Lenovo Miix 700-12ISK with Lenovo Keyboard/Touchpad cover
1) Touchpad work
Also, I tried about every combination of i8042.reset, i8042.kbdreset=1,
i8042.nopnp, i8042.noloop boot parameters I could think of, no change.
Tried alternate versions of psmouse, such as psmouse-alps, psmouse-
elantech-x551c, etc from various forums, no change.
I should be back to the stock psmo
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