From: Jonas Andersson <jonas@xxxxxxxxxxx> 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@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx> --- drivers/usb/gadget/printer.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c index c3f2bd4..271ef94 100644 --- a/drivers/usb/gadget/printer.c +++ b/drivers/usb/gadget/printer.c @@ -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) -- 1.7.4.2 -- 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
