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path: root/drivers/media/video/usbvision/usbvision.h
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Diffstat (limited to 'drivers/media/video/usbvision/usbvision.h')
-rw-r--r--drivers/media/video/usbvision/usbvision.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/media/video/usbvision/usbvision.h b/drivers/media/video/usbvision/usbvision.h
index 5ab936e252fe..d1b3cc0cd87f 100644
--- a/drivers/media/video/usbvision/usbvision.h
+++ b/drivers/media/video/usbvision/usbvision.h
@@ -462,6 +462,11 @@ struct usb_usbvision {
int ComprBlockTypes[4];
};
+static inline struct usb_usbvision *to_usbvision(struct v4l2_device *v4l2_dev)
+{
+ return container_of(v4l2_dev, struct usb_usbvision, v4l2_dev);
+}
+
#define call_all(usbvision, o, f, args...) \
v4l2_device_call_all(&usbvision->v4l2_dev, 0, o, f, ##args)