diff options
author | Felipe Balbi <balbi@ti.com> | 2011-12-19 05:57:04 -0500 |
---|---|---|
committer | Felipe Balbi <balbi@ti.com> | 2013-03-18 05:17:12 -0400 |
commit | 49401f4169c0e5a1b38f1a676d6f12eecaf77485 (patch) | |
tree | 274f68e04c13e7bf959cd7878eb22ffde16813b6 /include/linux/usb | |
parent | d1e3d757f7aa91f15db347fc05ffd7ef7f413091 (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.h | 9 |
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 | |||
966 | extern 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 | ||
964 | extern struct usb_ep *usb_ep_autoconfig(struct usb_gadget *, | 973 | extern struct usb_ep *usb_ep_autoconfig(struct usb_gadget *, |