APPLIED(D)/cmt: [PATCH v2 0/1][D][OEM-OSP1-B]Sometimes touchpad automatically trigger double click

Stefan Bader stefan.bader at
Mon Jul 1 06:53:57 UTC 2019

On 01.07.19 04:06, AceLan Kao wrote:
> Questions, I thought after I submit the patch, I should set the bug
> state to "Fix committed", no?

No, we set the "fix committed" status once it has been reviewed and actually
applied to the kernel tree. That is what the APPLIED mails confirm.


> Khaled Elmously <khalid.elmously at> 於 2019年6月28日 週五 上午11:50寫道:
>> Applied to Disco - but thd bug was already set to "Fix committed" for Disco.
>> On 2019-06-20 13:06:58 , AceLan Kao wrote:
>>> BugLink:
>>> [Impact]
>>> Dell machines which uses goodix touchpad IC emit double click event
>>> while touching the touchpad if designware i2c adapter is in runtime
>>> suspend.
>>> Goodix re-assert the interrupt if host doesn't read the data within
>>> 100ms and designware takes a longer time to wake up from runtime
>>> suspend. In the case, it got a second interrupt during resuming, so
>>> it thinks it's a double click.
>>> [Fix]
>>> There is no simple way to fix this, it's a firmware issue and goodix
>>> agrees to fix this in their firmware on next release, but this issue is
>>> still affects the machines that don't come with an updated firmware. So,
>>> add a quirk to mark those machines and avoid the designware from entering
>>> runtime suspend.
>>> [Regression Potential]
>>> Low, it only affects the listed machines, and prevent designware from
>>> entering runtime suspend impacts the power consumption little or none
>>> during short or long idle.
>>> [MISC]
>>> This patch contains on going product name, so set it as SAUCE patch,
>>> will submit it to upstream and to Bionic kernel later.
>>> AceLan Kao (1):
>>>   UBUNTU: SAUCE: i2c: designware: Add disable runtime pm quirk
>>>  drivers/i2c/busses/i2c-designware-master.c | 44 +++++++++++++++++++++-
>>>  1 file changed, 42 insertions(+), 2 deletions(-)
>>> --
>>> 2.17.1
>>> --
>>> kernel-team mailing list
>>> kernel-team at

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