@Kai-Chuan, per requested by you, we picked up a XPS 17, the touch pad
works well under Ubuntu 22.04.
** Attachment added: "dmesg.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1997472/+attachment/5645064/+files/dmesg.txt
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The actual firmware get from the machine is 0x07 0x01. How do you
identify it is the latest one. The mail that user send to Dell will
contain HW info?
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Got the service tag and checked the firmware is the latest one.
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https://bugs.launchpad.net/bugs/1997472
Title:
Touchpad problem detecting working area on Dell XPS
Status
I sent them to that email address you posted above. (I am not sure what
are the possible implications and risks if I post it here)
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Unfortunately, the touchpad firmware was not web post.
Could share the system's service tag? I know it's sensitive but could send to:
client.linux.issue.escalat...@dell.com
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reply #10,
The user reported the issue is ELAN, and according to the page,
https://learn.microsoft.com/en-us/windows-hardware/design/component-
guidelines/windows-precision-touchpad-required-hid-descriptors, the
version number should be two bytes. Is it 0x01, 0x0c?
If so, can you guide the user
For XPS 9720, there are 2 tp vendors of touchpad:
Elan fw version: 0C
Synaptics fw version: PR3508224
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Title:
Touchpad problem
Here it is:
sudo i2ctransfer -f -y 2 w2@0x2c 0x20 0x00 r26
[sudo] password for florin:
0x1e 0x00 0x00 0x01 0x99 0x02 0x21 0x00 0x24 0x00 0x40 0x00 0x25 0x00 0x17 0x00
0x22 0x00 0x23 0x00 0xcb 0x06 0x7e 0xce 0x07 0x01
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Checked the input devices list, the touchpad is on i2c bus 2.
Please use the command to dump the firmware version:
$ sudo i2ctransfer -f -y 2 w2@0x2c 0x20 0x00 r26
I'll ask Dell what is the latest firmware version for your machine.
Thanks,
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Here it is:
I: Bus=0019 Vendor= Product=0005 Version=
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= Product=0001 Version=
N:
could you dump /proc/bus/input/devices? let me check why it doesn't work
on your machine.
Thanks,
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Title:
Touchpad problem
I tried running it and get an error. Tried both with Sudo and without
(had "sudo apt install i2c-tools" before).
florin@florin-XPS-17-9720:~/Downloads$ sh ./get-tp-fw-ver.sh
./get-tp-fw-ver.sh: 22: Bad substitution
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Can you get the touchpad firmware version by the script?
P.S. please install i2c-tools before running it.
Thanks.
** Attachment added: "get-tp-fw-ver.sh"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1997472/+attachment/5635273/+files/get-tp-fw-ver.sh
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In the past I have had multiple problems with the touchpad on the old
laptops (Toshiba) and hoped these will disappear with a new one, but
some seem to still be here. I am willing to do some deep debugging if
someone shows me step by step (I am a simple user) how to do it. Or even
allow someone to
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