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.
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https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2051896/+subscriptions
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