External devices

AYAN KUMAR HALDER ayankumarh at gmail.com
Mon Sep 8 14:16:37 EDT 2014


> When a device wakes up, what about the cpu , is it still on idle with cpuidle ?
> for example how a mouse move trigger the screen to wake up ?
>
This is a case of system suspend/resume. Your mouse is a wake-up device. It is
configured to send wakeup interrupts. It would wake up the cpu first
and then  the cpu wakes up
all the devices.



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