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authorFabien Chouteau <fabien.chouteau@barco.com>2010-04-23 14:21:26 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2010-05-20 13:21:39 -0700
commitf48cf80f93ba974eb3201ab2d0f2c4cef950f3fc (patch)
treea90ec04a891d1698110372791d01a03d90c6da3f /include
parent326b4810cc995209e31136af4202ed0414814ed5 (diff)
downloadop-kernel-dev-f48cf80f93ba974eb3201ab2d0f2c4cef950f3fc.zip
op-kernel-dev-f48cf80f93ba974eb3201ab2d0f2c4cef950f3fc.tar.gz
USB: Composite framework: Add suspended sysfs entry
This patch adds a sysfs entry (/sys/devices/platform/_UDC_/gadget/suspended) to show the suspend state of an USB composite gadget. Signed-off-by: Fabien Chouteau <fabien.chouteau@barco.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include')
-rw-r--r--include/linux/usb/composite.h1
-rw-r--r--include/linux/usb/gadget.h4
2 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h
index 738ea1a..139353e 100644
--- a/include/linux/usb/composite.h
+++ b/include/linux/usb/composite.h
@@ -326,6 +326,7 @@ struct usb_composite_dev {
/* private: */
/* internals */
+ unsigned int suspended:1;
struct usb_device_descriptor desc;
struct list_head configs;
struct usb_composite_driver *driver;
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index f4b7ca5..db6141c 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -494,6 +494,10 @@ static inline void set_gadget_data(struct usb_gadget *gadget, void *data)
{ dev_set_drvdata(&gadget->dev, data); }
static inline void *get_gadget_data(struct usb_gadget *gadget)
{ return dev_get_drvdata(&gadget->dev); }
+static inline struct usb_gadget *dev_to_usb_gadget(struct device *dev)
+{
+ return container_of(dev, struct usb_gadget, dev);
+}
/* iterates the non-control endpoints; 'tmp' is a struct usb_ep pointer */
#define gadget_for_each_ep(tmp,gadget) \
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