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Commit a0c25c20 authored by Jonas Andersson's avatar Jonas Andersson Committed by Greg Kroah-Hartman
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USB: g_printer required set interface request 



g_printer reqiured "set interface" request from host. Not all hosts send
this request.  This patch enable the interface when it get "set
configuration" request from host.

Signed-off-by: default avatarJonas Andersson <jonas@microbit.se>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent a8779ee9

drivers/usb/gadget/printer.c

+2 −0
Original line number Diff line number Diff line
@@ -1189,6 +1189,8 @@ printer_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) 
			else if (gadget->a_alt_hnp_support)

				DBG(dev, "HNP needs a different root port\n");

			value = printer_set_config(dev, wValue);

			if (!value)

				value = set_interface(dev, PRINTER_INTERFACE);

			break;

		case USB_REQ_GET_CONFIGURATION:

			if (ctrl->bRequestType != USB_DIR_IN)