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authorFelipe Balbi <balbi@ti.com>2011-12-19 05:57:04 -0500
committerFelipe Balbi <balbi@ti.com>2013-03-18 05:17:12 -0400
commit49401f4169c0e5a1b38f1a676d6f12eecaf77485 (patch)
tree274f68e04c13e7bf959cd7878eb22ffde16813b6 /include/linux/usb
parentd1e3d757f7aa91f15db347fc05ffd7ef7f413091 (diff)
usb: gadget: introduce gadget state tracking
that's useful information to expose to userland. Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'include/linux/usb')
-rw-r--r--include/linux/usb/gadget.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index 2e297e80d59a..32b734d88d6b 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -482,6 +482,7 @@ struct usb_gadget_ops {
482 * @speed: Speed of current connection to USB host. 482 * @speed: Speed of current connection to USB host.
483 * @max_speed: Maximal speed the UDC can handle. UDC must support this 483 * @max_speed: Maximal speed the UDC can handle. UDC must support this
484 * and all slower speeds. 484 * and all slower speeds.
485 * @state: the state we are now (attached, suspended, configured, etc)
485 * @sg_supported: true if we can handle scatter-gather 486 * @sg_supported: true if we can handle scatter-gather
486 * @is_otg: True if the USB device port uses a Mini-AB jack, so that the 487 * @is_otg: True if the USB device port uses a Mini-AB jack, so that the
487 * gadget driver must provide a USB OTG descriptor. 488 * gadget driver must provide a USB OTG descriptor.
@@ -525,6 +526,7 @@ struct usb_gadget {
525 struct list_head ep_list; /* of usb_ep */ 526 struct list_head ep_list; /* of usb_ep */
526 enum usb_device_speed speed; 527 enum usb_device_speed speed;
527 enum usb_device_speed max_speed; 528 enum usb_device_speed max_speed;
529 enum usb_device_state state;
528 unsigned sg_supported:1; 530 unsigned sg_supported:1;
529 unsigned is_otg:1; 531 unsigned is_otg:1;
530 unsigned is_a_peripheral:1; 532 unsigned is_a_peripheral:1;
@@ -959,6 +961,13 @@ extern void usb_gadget_unmap_request(struct usb_gadget *gadget,
959 961
960/*-------------------------------------------------------------------------*/ 962/*-------------------------------------------------------------------------*/
961 963
964/* utility to set gadget state properly */
965
966extern void usb_gadget_set_state(struct usb_gadget *gadget,
967 enum usb_device_state state);
968
969/*-------------------------------------------------------------------------*/
970
962/* utility wrapping a simple endpoint selection policy */ 971/* utility wrapping a simple endpoint selection policy */
963 972
964extern struct usb_ep *usb_ep_autoconfig(struct usb_gadget *, 973extern struct usb_ep *usb_ep_autoconfig(struct usb_gadget *,