It is used for udc to pullup dp when necessary
Signed-off-by: Peter Chen <[email protected]>
---
drivers/usb/gadget/legacy/dbgp.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/usb/gadget/legacy/dbgp.c b/drivers/usb/gadget/legacy/dbgp.c
index 986fc51..bcc780b 100644
--- a/drivers/usb/gadget/legacy/dbgp.c
+++ b/drivers/usb/gadget/legacy/dbgp.c
@@ -402,6 +402,17 @@ fail:
return err;
}
+/*
+ * UDC driver calls this when it wants to pull up dp.
+ */
+static int dbgp_connect(struct usb_gadget *gadget, bool connect)
+{
+ if (connect)
+ return usb_gadget_connect(gadget);
+ else
+ return usb_gadget_disconnect(gadget);
+}
+
static __refdata struct usb_gadget_driver dbgp_driver = {
.function = "dbgp",
.max_speed = USB_SPEED_HIGH,
@@ -409,6 +420,7 @@ static __refdata struct usb_gadget_driver dbgp_driver = {
.unbind = dbgp_unbind,
.setup = dbgp_setup,
.disconnect = dbgp_disconnect,
+ .connect = dbgp_connect,
.driver = {
.owner = THIS_MODULE,
.name = "dbgp"
--
1.7.9.5
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