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media: videodev2.h: Add new DV flag CAN_DETECT_REDUCED_FPS

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Add a new flag to UAPI for DV timings which, whenever set,
indicates that hardware can detect the difference between
regular FPS and 1000/1001 FPS.

This is specific to HDMI receivers. Also, it is only valid
when V4L2_DV_FL_CAN_REDUCE_FPS is set.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Jose Abreu 2017-03-21 07:49:16 -04:00 committed by Mauro Carvalho Chehab
parent a125385c9b
commit f992cee5ef
1 changed files with 7 additions and 0 deletions
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7
include/uapi/linux/videodev2.h
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@ -1400,6 +1400,13 @@ struct v4l2_bt_timings {
* InfoFrame).
*/
#define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8)
/*
* CEA-861 specific: only valid for video receivers.
* If set, then HW can detect the difference between regular FPS and
* 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with
* the V4L2_DV_FL_CAN_REDUCE_FPS flag set.
*/
#define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9)
/* A few useful defines to calculate the total blanking and frame sizes */
#define V4L2_DV_BT_BLANKING_WIDTH(bt) \