It is used for udc to pullup dp when necessary
Signed-off-by: Peter Chen <[email protected]>
---
drivers/usb/gadget/legacy/inode.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/usb/gadget/legacy/inode.c
b/drivers/usb/gadget/legacy/inode.c
index 2e4ce77..1166e77 100644
--- a/drivers/usb/gadget/legacy/inode.c
+++ b/drivers/usb/gadget/legacy/inode.c
@@ -1770,6 +1770,17 @@ gadgetfs_suspend (struct usb_gadget *gadget)
spin_unlock (&dev->lock);
}
+/*
+ * UDC driver calls this when it wants to pull up dp.
+ */
+static int gadgetfs_connect(struct usb_gadget *gadget, bool connect)
+{
+ if (connect)
+ return usb_gadget_connect(gadget);
+ else
+ return usb_gadget_disconnect(gadget);
+}
+
static struct usb_gadget_driver gadgetfs_driver = {
.function = (char *) driver_desc,
.bind = gadgetfs_bind,
@@ -1777,6 +1788,7 @@ static struct usb_gadget_driver gadgetfs_driver = {
.setup = gadgetfs_setup,
.disconnect = gadgetfs_disconnect,
.suspend = gadgetfs_suspend,
+ .connect = gadgetfs_connect,
.driver = {
.name = (char *) shortname,
--
1.7.9.5
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