On Thu, Jan 21, 2010 at 09:53:07PM +0530, sai pavan wrote: > I am looking for a solution where user can select desired functions in > a composite device. It can be done without having multiple > configurations by just unregistering the composite driver and register > with a new configuration. This feature can be seen in most phones (in > Nokia there is a option to select PC studio/media player/mass > storage). Yes and for that we have a userland application that literally rmmod g_nokia && modprobe g_file_storage (at least that's how we did on N900) if that's all the problem you have, it should be fairly simple to write a few composite drivers that would bind the correct functions to the configurations. -- balbi -- 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