From: Hans Verkuil Date: Wed, 26 Feb 2014 21:22:05 +0000 (-0300) Subject: [media] videodev2.h: add V4L2_FIELD_HAS_T_OR_B macro X-Git-Tag: firefly_0821_release~176^2~2474^2~1250 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e34c4db8fe5c8d47753057b2409f9b8388f1896e;p=firefly-linux-kernel-4.4.55.git [media] videodev2.h: add V4L2_FIELD_HAS_T_OR_B macro Add a macro to test if the field consists of a single top or bottom field. Anyone who needs to work with fields as opposed to frame will need this. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index b73e8cda7192..1f1a65c1fe8e 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -124,6 +124,10 @@ enum v4l2_field { (field) == V4L2_FIELD_INTERLACED_BT ||\ (field) == V4L2_FIELD_SEQ_TB ||\ (field) == V4L2_FIELD_SEQ_BT) +#define V4L2_FIELD_HAS_T_OR_B(field) \ + ((field) == V4L2_FIELD_BOTTOM ||\ + (field) == V4L2_FIELD_TOP ||\ + (field) == V4L2_FIELD_ALTERNATE) enum v4l2_buf_type { V4L2_BUF_TYPE_VIDEO_CAPTURE = 1,