diff options
| author | Benoit Goby <benoit@android.com> | 2011-05-25 23:59:43 -0700 |
|---|---|---|
| committer | Benoit Goby <benoit@android.com> | 2011-06-17 16:02:36 -0700 |
| commit | 94df1bdfdca9be6d4bbe6cc56354b4ee536cb15a (patch) | |
| tree | 931674516b4ed279dafb466957c01166df9636b1 /include/linux/usb/composite.h | |
| parent | f6e7d49e03c475a7f129a0b13ff80bff2abbb2b2 (diff) | |
usb: gadget: composite: Add usb_remove_config
This allows composite drivers to dynamically change their configuration.
For example, a driver might remove a configuration and register a new
one with a different set of functions.
User should prevent the host from enumerating the device while changing
the configuration:
usb_gadget_disconnect(cdev->gadget);
usb_remove_config(cdev, old_config);
usb_add_config(cdev, new_config, new_conf_bind);
usb_gadget_connect(cdev->gadget);
Change-Id: Icbfb4ce41685fde9bf63d5d58fca1ad242aa69f9
Signed-off-by: Benoit Goby <benoit@android.com>
Diffstat (limited to 'include/linux/usb/composite.h')
| -rw-r--r-- | include/linux/usb/composite.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h index 106c69c7d1a6..d00ab9503adb 100644 --- a/include/linux/usb/composite.h +++ b/include/linux/usb/composite.h @@ -249,6 +249,9 @@ int usb_add_config(struct usb_composite_dev *, struct usb_configuration *, int (*)(struct usb_configuration *)); +int usb_remove_config(struct usb_composite_dev *, + struct usb_configuration *); + /** * struct usb_composite_driver - groups configurations into a gadget * @name: For diagnostics, identifies the driver. |