On Sat, 21 Jul 2012, chetan cr123 wrote: > Hello, > Kindly let me know > how an usb device connection is reported to kernel when we plug an usb cable. > I see that Udev/ueventd is responsible for that. It sounds like you're talking about the device's kernel, not the host's kernel. > I want to know how exactly usb device will report to (kernel or udev) > when an device is plugged. Answer: Currently connections are not reported. There was some discussion about having the gadget core export a pollable sysfs file that would indicate the current USB connection state. But nobody has written any code. > how can to create an sysfs(node) from gadget driver and this driver > reports to Udev/uevent when an USB device is connected. > So that Application can read Uevents of USB plugin and do the > necessary action (in my case disable the block driver and load usb > gadget mass storage to communicate with PC -----> SD-card of > Tablet/mobile) . > Kindly let me know how can i do this. There is no way to do this now. Alan Stern -- 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
