This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:
apport-collect 1635177
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1635177
Title:
mfd: intel-lpss: Add default I2C device properties for Apollo Lake
Status in linux package in Ubuntu:
Incomplete
Bug description:
We need this patch for all Apollo Lake platforms for enabling the touchpad.
This patch was cherry-picked from c50cdd62dda3f885c1e6ca8b3d5a0851c911ec54.
And later backported to 4.4 kernel.
It is because for Apollo Lake, the default freq/falling-time is incorrect. So
it makes the i2c acts weird.
Please consider SRU this commit.
Impact:
All touchpad on Apollo Lake work unstable on i2c mode. PS/2 mode doesn't
affected.
Fix:
touchpad works good on i2c mode.
Tested:
The patch is tested on many Dell ApolloLake laptops and works good.
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