[Artful][linux-oem][PATCH 0/3] Enable synaptics touchpad intertouch support on

Seth Forshee seth.forshee at canonical.com
Wed Oct 18 14:22:07 UTC 2017

On Mon, Oct 16, 2017 at 11:50:23PM +0800, Aaron Ma wrote:
> BugLink: http://bugs.launchpad.net/bugs/1723986
> [Impact]
> Synaptics touchpad/trackpoint fail to work on Lenovo X1C5/6 and X280.
> And they report they support intertouch mode through SMBus ver 3.
> Current kernel driver limits RMI4 to SMBus 2.
> [Fix]
> Enable SMBus ver 3 and set them to SMBus mode will make synaptics work
> fine.
> [Test Case]
> Tested on X1C5/6 and X280, confirm patches work fine.
> [Regression Potential]
> Enable RMI4 support on specific device ID, no regression is supposed.
> Zesty and Xenial do not support this intertouch mode, so no need these
> patches.

Have these been regression tested on other hardware which uses this

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