What: /sys/devices/platform/_UDC_/gadget/suspended Date: April 2010 Contact: Fabien Chouteau Description: Show the suspend state of an USB composite gadget. 1 -> suspended 0 -> resumed (_UDC_ is the name of the USB Device Controller driver) What: /sys/devices/platform/_UDC_/gadget/gadget-lunX/nofua Date: July 2010 Contact: Andy Shevchenko Description: Show or set the reaction on the FUA (Force Unit Access) bit in the SCSI WRITE(10,12) commands when a gadget in USB Mass Storage mode. Possible values are: 1 -> ignore the FUA flag 0 -> obey the FUA flag What: /sys/devices/platform/_UDC_/gadget/host_request Date: December 2010 Contact: Pavan Kondeti Description: OTG 2.0 compliant host keeps polling OTG2.0 peripheral for host role. Set host_request flag, which tells host to give up the host role to peripheral. 1 -> host role is requested 0 -> no effect (automatically cleared upon reset/disconnect) (_UDC_ is the name of the USB Device Controller driver)