Public bug reported:
[Impact]
Spurious wakeup event caused by Cirque touchpad, prevent the system from
sleep properly.
[Fix]
Skip SET_POWER SLEEP so there won't be any IRQ raised by the touchpad.
[Test]
Suspend the system 100 times and make sure non of the wakeup event is
caused by the touchpad and its IRQ line.
[Where problems could occur]
Logically the power consumption can increase slightly, but in reality
there isn't any noticeable change. Since the quirk only applies to one
device, there isn't much regression risk.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2051896
Title:
Fix spurious wakeup caused by Cirque touchpad
Status in linux package in Ubuntu:
New
Bug description:
[Impact]
Spurious wakeup event caused by Cirque touchpad, prevent the system from
sleep properly.
[Fix]
Skip SET_POWER SLEEP so there won't be any IRQ raised by the touchpad.
[Test]
Suspend the system 100 times and make sure non of the wakeup event is
caused by the touchpad and its IRQ line.
[Where problems could occur]
Logically the power consumption can increase slightly, but in reality
there isn't any noticeable change. Since the quirk only applies to one
device, there isn't much regression risk.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2051896/+subscriptions
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