USB keyboard can NOT wakeup from S3( suspend to RAM )

[valdis.kletnieks at vt.edu]

On Wed, 30 Aug 2017 08:09:55 +0200, Greg KH said:
> On Wed, Aug 16, 2017 at 06:03:22PM +0800, jingyun at cpu-os.ac.cn wrote:
> > But if I do NOT hit the key during the suspending, I CAN wake it up by hitting
> > the keyboard.

> Sounds like your system does not support USB wakeup, which is very
> common, sorry.

There's also the fairly good chance that the hardware supports it, but
it's disabled in the BIOS - check if (a) you're running the latest BIOS
from the manufacturer and (b) if there's a BIOS setting for wakeup-on-USB.
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