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USB: gadget: composite: added disconnect callback 

Added a disconnect() callback to composite devices which
is called by composite glue when its disconnect callback
is called by gadget.

Signed-off-by: Michal Nazarewicz <m.nazarewicz@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Michal Nazarewicz 2010-06-21 13:57:08 +02:00 committed by Greg Kroah-Hartman
parent c7ba692294
commit 3f3e12d050
2 changed files with 4 additions and 0 deletions
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2
drivers/usb/gadget/composite.c
View File

@ -956,6 +956,8 @@ static void composite_disconnect(struct usb_gadget *gadget)
spin_lock_irqsave(&cdev->lock, flags);
if (cdev->config)
reset_config(cdev);
if (composite->disconnect)
composite->disconnect(cdev);
spin_unlock_irqrestore(&cdev->lock, flags);
}

2
include/linux/usb/composite.h
View File

@ -276,6 +276,8 @@ struct usb_composite_driver {
int (*bind)(struct usb_composite_dev *);
int (*unbind)(struct usb_composite_dev *);
void (*disconnect)(struct usb_composite_dev *);
/* global suspend hooks */
void (*suspend)(struct usb_composite_dev *);
void (*resume)(struct usb_composite_dev *);