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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: Jonas Andersson <jonas@microbit.se>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jonas Andersson 2011-03-21 14:54:09 +01:00 committed by Greg Kroah-Hartman
parent a8779ee94e
commit a0c25c2050
1 changed files with 2 additions and 0 deletions
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2
drivers/usb/gadget/printer.c
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@ -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)