@kaihengfen
Sorry for the delay. The chip used is CY8CTMA140-LQI-1407. The PCB print 8442
TP RoHS.
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Title:
Cypress PS/2 Trackpad
Yoshiba,
Here's the request from the driver author:
"double the trackpad device is Cypress PS2 trackpad. Can check the label under
the back of the trackpad."
I think he means you need to physically disassemble the trackpad.
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@kaihengfen
I also cannot wake my laptop now. Installed the 4.12.0-041200-generic kernel.
** Attachment added: "error from syslog"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1693440/+attachment/4911324/+files/err
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I'll send a mail to ask linux-input and the driver author.
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Title:
Cypress PS/2 Trackpad not working
Status in linux package in
Yes, it works on Windows 8 and Windows 10. Any fix for it?
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Title:
Cypress PS/2 Trackpad not working
Status in linux package in
Does it work under Windows?
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Title:
Cypress PS/2 Trackpad not working
Status in linux package in Ubuntu:
Confirmed
Bug
@kaihengfen
Still no luck.
** Attachment added: "dmesg_bug"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1693440/+attachment/4910020/+files/dmesg_bug
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Please try the new kernel. Keep parameter "psmouse.dyndbg=+p".
http://people.canonical.com/~khfeng/lp1693440-3/
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Title:
Cypress
@kaihengfen
Tried kernel above still not working. Here is the dmesg log with kernel
parameter.
** Attachment added: "dmesg with kernel parameter"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1693440/+attachment/4909571/+files/4.12dmesg
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Try kernel in [1]. It enables more debug message for cypress touchpad.
Also, add "psmouse.dyndbg=+p" to kernel parameter.
[1] http://people.canonical.com/~khfeng/lp1693440/
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@kaihengfen
Tried the kernel above, but still not working. Here is the dmesg log.
?field.comment=@kaihengfen
Tried the kernel above, but still not working. Here is the dmesg log.
** Attachment added: "dmesg log of kernel 4.12-5"
Please try kernel in [1] and attach `dmesg` here.
[1] http://people.canonical.com/~khfeng/lp1693440-2/
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Title:
Cypress PS/2
B.t.w, sometimes it scrolls too fast with method above. Very strange
workaround.
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Title:
Cypress PS/2 Trackpad not working
Status
It seems strange. I can scroll up or down with two fingers on my trackpad only
when one finger stays still and the other finger move up or down. Any I need to
run commands below to make this happen.
sudo modprobe -r psmouse
sudo modprobe psmouse proto=imps
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@kaihengfen
Here is the dmesg log after I added "i2c-hid.dyndbg=+p" to kernel parameter.
** Attachment added: "dmesg log with i2c-hid.dyndbg=+p to the kernel parameter"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1693440/+attachment/4907913/+files/dmesgnew
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Can you add "i2c-hid.dyndbg=+p" to kernel parameter, and attach dmesg
after boot?
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Title:
Cypress PS/2 Trackpad not working
Status
hgpk is not available, cypress and fsp option got no moving cursor, the
rest works fine except for two-finger scrolling.
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Title:
@kaihengfen
Tried them all, none of them works with two-finger scrolling. With fsp and
cypress, I got no moving cursor, hgpk is not available, except for these, I got
all work normal except for the two-finger scrolling function. Any fix?
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Maybe it's not Cypress touchpad at all?
Let's try this:
$ sudo -s
# echo -n "bare" > /sys/bus/serio/devices/serio2/protocol
Replace bare with the following list, one by one, see which works:
logitech
thinkps
cypress
genius
imps
exps
synaptics
synaptics-relative
alps
lifebook
trackpoint
touchkit
Any fix?
4.12.0-041200rc3-generic
psmouse serio2: cypress_ps2: Reconnect: Unable to initialize Cypress absolute
mode
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Title:
Looks like I messed up something.
Reinstall udev and libudev1 to get them back default:
$ sudo apt --reinstall install udev libudev1
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@kaihengfeng I installed the udev and libudev packages you provided but
I got two errors during installation. After installing these two
packages I rebooted, and the trackpad is still not working, I cannot
make the trackpad work anymore, even with the two commands above that
used to do the magic.
@kaihengfeng I also have wifi connection issue which you can check out
the WifiSyslog.txt. Failed to authenticate to any wireless network with
rtl8xxxu driver module.
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@kaihengfeng Do youj mean I should install two packages you provided in
the above link? B.t.w how to remove proto=imps option?
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Please try udev package here:
http://people.canonical.com/~khfeng/lp1693440/
You may need to remove "proto=imps" options.
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Title:
** Tags removed: amd64 apport-bug staging zesty
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Still not working with kernel v4.12-rc3.
** Attachment added: "dmesg.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1693440/+attachment/4885581/+files/dmesg.log
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Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.12 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix
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