configfs: Handle interface numbers

Store the function configuration pointer in the uvc_device, and use it
to identify and store the interface numbers from configfs.

Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/configfs.h b/configfs.h
index 56056c1..fe513ea 100644
--- a/configfs.h
+++ b/configfs.h
@@ -14,6 +14,9 @@ struct uvc_function_config {
 	char *video;
 	char *udc;
 
+	unsigned int control_interface;
+	unsigned int streaming_interface;
+
 	unsigned int streaming_interval;
 	unsigned int streaming_maxburst;
 	unsigned int streaming_maxpacket;