ALinuxUser, Xiaofan Chen's example was unbinding the usbhid driver via
the /sys/bus/usb/drivers/usbhid/unbind control file -- yours is using
/sys/bus/usb/drivers/usb/unbind instead. You probably have to use the
control file that corresponds to the driver your device is using. (Check
lsusb -t output
I am sorry to necrobump, but I don't get it.
$ sudo echo -n '2-3' | tee -a /sys/bus/usb/drivers/usb/unbind
Produces, on my system, this: 'tee: unbind: Permission denied'.
Similarly if I have used 'su' to obtain root:
# echo -n '2-3' | tee -a /sys/bus/usb/drivers/usb/unbind
2-3tee: /sys/bus/usb/d
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