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-rw-r--r--include/linux/uvcvideo.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/uvcvideo.h b/include/linux/uvcvideo.h
index f46a53f060d7..3b081862b9e8 100644
--- a/include/linux/uvcvideo.h
+++ b/include/linux/uvcvideo.h
@@ -58,7 +58,8 @@ struct uvc_xu_control_mapping {
struct uvc_xu_control_query {
__u8 unit;
__u8 selector;
- __u8 query;
+ __u8 query; /* Video Class-Specific Request Code, */
+ /* defined in linux/usb/video.h A.8. */
__u16 size;
__u8 __user *data;
};