usb: gadget: introduce gadget state tracking
that's useful information to expose to userland.
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index 2e297e8..32b734d 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -482,6 +482,7 @@
* @speed: Speed of current connection to USB host.
* @max_speed: Maximal speed the UDC can handle. UDC must support this
* and all slower speeds.
+ * @state: the state we are now (attached, suspended, configured, etc)
* @sg_supported: true if we can handle scatter-gather
* @is_otg: True if the USB device port uses a Mini-AB jack, so that the
* gadget driver must provide a USB OTG descriptor.
@@ -525,6 +526,7 @@
struct list_head ep_list; /* of usb_ep */
enum usb_device_speed speed;
enum usb_device_speed max_speed;
+ enum usb_device_state state;
unsigned sg_supported:1;
unsigned is_otg:1;
unsigned is_a_peripheral:1;
@@ -959,6 +961,13 @@
/*-------------------------------------------------------------------------*/
+/* utility to set gadget state properly */
+
+extern void usb_gadget_set_state(struct usb_gadget *gadget,
+ enum usb_device_state state);
+
+/*-------------------------------------------------------------------------*/
+
/* utility wrapping a simple endpoint selection policy */
extern struct usb_ep *usb_ep_autoconfig(struct usb_gadget *,