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[for,v3.19,1/4] v4l2-mediabus.h: use two __u16 instead of two __u32

Message ID 1417789164-28468-2-git-send-email-hverkuil@xs4all.nl (mailing list archive)
State New, archived
Headers show

Commit Message

Hans Verkuil Dec. 5, 2014, 2:19 p.m. UTC 
From: Hans Verkuil <hans.verkuil@cisco.com>

The ycbcr_enc and quantization fields do not need a __u32. Switch to
two __u16 types, thus preserving alignment and avoiding holes in the
struct. This makes one more __u32 available for future expansion.

Suggested by Sakari Ailus.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
---
 include/uapi/linux/v4l2-mediabus.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
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Patch

diff --git a/include/uapi/linux/v4l2-mediabus.h b/include/uapi/linux/v4l2-mediabus.h
index 5a86d8e..26db206 100644
--- a/include/uapi/linux/v4l2-mediabus.h
+++ b/include/uapi/linux/v4l2-mediabus.h
@@ -31,9 +31,9 @@  struct v4l2_mbus_framefmt {
 	__u32			code;
 	__u32			field;
 	__u32			colorspace;
-	__u32			ycbcr_enc;
-	__u32			quantization;
-	__u32			reserved[5];
+	__u16			ycbcr_enc;
+	__u16			quantization;
+	__u32			reserved[6];
 };
 
 #ifndef __KERNEL__