[ltp] 100% activity from fingerprint reader even with usbcore.autosuspend=1?

[Tino Keitel]

On Wed, Oct 29, 2008 at 08:39:30 +0100, Yves-Alexis Perez wrote:
> Hi,
> 
> I've enabled usbcore.autosuspend=1 in my command line, and it seems to
> be applied:
> 
> corsac@hidalgo: grep . /sys/bus/usb/devices/*/power/autosuspend
> /sys/bus/usb/devices/1-2/power/autosuspend:1
> /sys/bus/usb/devices/usb1/power/autosuspend:1
> /sys/bus/usb/devices/usb2/power/autosuspend:1
> /sys/bus/usb/devices/usb3/power/autosuspend:1
> /sys/bus/usb/devices/usb4/power/autosuspend:1
> /sys/bus/usb/devices/usb5/power/autosuspend:1
> /sys/bus/usb/devices/usb6/power/autosuspend:1
> /sys/bus/usb/devices/usb7/power/autosuspend:1
> 
> But it seems the fingerprint reader doesn't care:
> 
> Recent USB suspend statistics
> Active  Device name
> 100,0%	USB device  1-2 : Biometric Coprocessor (STMicroelectronics)

What does this look like?

grep "" /sys/bus/usb/devices/*/power/level

Regards,
Tino