Bug 43170 - Cypress Trackpad' incorrectly detected as 'ImPS/2 Generic Wheel Mouse' in 'Dell XPS 13 Ultrabook
Summary: Cypress Trackpad' incorrectly detected as 'ImPS/2 Generic Wheel Mouse' in 'De...
Alias: None
Product: Drivers
Classification: Unclassified
Component: Input Devices (show other bugs)
Hardware: All Linux
: P1 normal
Assignee: drivers_input-devices
Depends on:
Reported: 2012-04-27 23:13 UTC by Crashbit
Modified: 2014-04-06 12:36 UTC (History)
6 users (show)

See Also:
Kernel Version: 3.4.0-030400rc3-generic and 3.2.0-24-generic
Tree: Mainline
Regression: No

devices.txt (52 bytes, text/plain)
2012-04-27 23:13 UTC, Crashbit
Bootdmesg.txt (54 bytes, text/plain)
2012-04-27 23:15 UTC, Crashbit
xinput.txt (51 bytes, text/plain)
2012-04-27 23:17 UTC, Crashbit

Description Crashbit 2012-04-27 23:13:05 UTC
Created attachment 73116 [details]

My Dell XPS 13 Ultrabook can't detect Cypress Trackpad correctly.
It detected as 'ImPS/2 Generic Wheel Mouse'.
'Cypress Trackpad' works just basic function not fully.
The trackpad(touchpad)'s L-button and R-button works and scrolling and dragging work not perfectly.
Tapping work not perfectly, either.
For tapping, I should tap and hold the tapping for about 1sec. and then, it recognize tapping.

In launchpad exists a bug with this problem:
- https://bugs.launchpad.net/ubuntu/+source/linux/+bug/978807
Comment 1 Crashbit 2012-04-27 23:15:52 UTC
Created attachment 73117 [details]
Comment 2 Crashbit 2012-04-27 23:17:06 UTC
Created attachment 73118 [details]
Comment 3 Dmitry Torokhov 2012-04-30 05:02:43 UTC
We do not have dedicated Cypress touchpad support in kernel at this time...
Comment 4 Elijah 2012-07-26 19:44:56 UTC
Cypress touchpad has been added to Lenovo laptops now, I have an ideapad U400 and I have the same problem.
Comment 5 emailgrant 2012-11-09 00:26:20 UTC
Is Cypress touchpad support in the kernel yet?
Comment 6 Elias Probst 2013-04-19 21:52:01 UTC
(In reply to comment #5)
> Is Cypress touchpad support in the kernel yet?

It is now in the upcoming 3.9.x.
Comment 7 emailgrant 2013-04-19 23:27:52 UTC
And it works great! :)
Comment 8 Elias Probst 2013-04-19 23:35:17 UTC
(In reply to comment #7)
> And it works great! :)
It really does for you? Using no specific config here and it "feels" slow and it doesn't react on taps, only the click-area can be used.

Care to share your config (if you have specific one)?
Comment 9 emailgrant 2013-04-20 00:39:15 UTC
I actually have no config at all.  It just feels better to me.  I hate taps. :)
Comment 10 Crashbit 2014-04-06 12:36:29 UTC
The new versions of kernel solve this problem!

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