USB selective suspend/resume and wakeup (EXPERIMENTAL)
configname: CONFIG_USB_SUSPEND
Linux Kernel Configuration
└─>Device Drivers
└─>USB support
└─>USB selective suspend/resume and wakeup (EXPERIMENTAL)
In linux kernel since version 2.6.20 (release Date: 2007-02-04)
If you say Y here, you can use driver calls or the sysfs
"power/state" file to suspend or resume individual USB
peripherals.
Also, USB "remote wakeup" signaling is supported, whereby some
USB devices (like keyboards and network adapters) can wake up
their parent hub. That wakeup cascades up the USB tree, and
could wake the system from states like suspend-to-RAM.
If you are unsure about this, say N here.
"power/state" file to suspend or resume individual USB
peripherals.
Also, USB "remote wakeup" signaling is supported, whereby some
USB devices (like keyboards and network adapters) can wake up
their parent hub. That wakeup cascades up the USB tree, and
could wake the system from states like suspend-to-RAM.
If you are unsure about this, say N here.