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| author | Felipe Balbi <balbi@ti.com> | 2011-12-19 12:57:04 +0200 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2013-03-18 11:17:12 +0200 |
| commit | 49401f4169c0e5a1b38f1a676d6f12eecaf77485 (patch) | |
| tree | 274f68e04c13e7bf959cd7878eb22ffde16813b6 /include/linux/usb | |
| parent | d1e3d757f7aa91f15db347fc05ffd7ef7f413091 (diff) | |
| download | linux-49401f4169c0e5a1b38f1a676d6f12eecaf77485.tar.gz linux-49401f4169c0e5a1b38f1a676d6f12eecaf77485.tar.bz2 linux-49401f4169c0e5a1b38f1a676d6f12eecaf77485.zip | |
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 { * @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 usb_gadget { 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 @@ extern void usb_gadget_unmap_request(struct usb_gadget *gadget, /*-------------------------------------------------------------------------*/ +/* 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 *, |