On Fri, Jun 11, 2010 at 09:16:21AM +0530, Amit Nagal wrote: > HI Alen , > > Thanx for the reply . it will certainly help my cause . > > But my problem is , before a userspace program send the command > > echo N >/sys/bus/usb/devices/.../bConfigurationValue to the device , > > usb host will already select default mass storage configuration on > device plugin > > (device exposes default 1st configuration as mass storage and we have > no control over device firmware ). > > this is not desired . what i want is , usb host on detecting this > multi configuration device , > > instead of selecting default configuration , invoke some userspace binary > > where depending upon "echo N > >/sys/bus/usb/devices/.../bConfigurationValue to the device " > > desired configuration can be selected . > > so how i can handle this signalling from usb host to userspace . Userspace is notified, just do the disconnect from a program that gets the udev event when the device is found. It's no problem to disconnect from the usb-storage device. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
