[media] v4l: videodev2: add buffer size to SDR format

Add buffer size field to struct v4l2_sdr_format. It is used for
negotiate streaming buffer size between application and driver.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 6da302d..8fc4822 100644 (file)
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -1783,10 +1783,12 @@ struct v4l2_pix_format_mplane {
 /**
  * struct v4l2_sdr_format - SDR format definition
  * @pixelformat:       little endian four character code (fourcc)
+ * @buffersize:                maximum size in bytes required for data
  */
 struct v4l2_sdr_format {
        __u32                           pixelformat;
-       __u8                            reserved[28];
+       __u32                           buffersize;
+       __u8                            reserved[24];
 } __attribute__ ((packed));
 
 /**