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media: vivid: Fix V4L2_FIELD_ALTERNATE new frame check 

The vivid driver will overlay stream time on generated frames. Though,
in interlacing mode V4L2_FIELD_ALTERNATE, each field is separate and
must have the same time to ensure proper render. Though, this time was
only updated every 2 frames as the code was checking against the wrong
counter (frame counter rather then field counter).

Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.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:
Nicolas Dufresne 2018-07-20 10:09:16 -04:00 committed by Mauro Carvalho Chehab
parent 915ffab021
commit 43bd1dce39
1 changed files with 1 additions and 1 deletions
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2
drivers/media/platform/vivid/vivid-kthread-cap.c
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@ -477,7 +477,7 @@ static void vivid_fillbuff(struct vivid_dev *dev, struct vivid_buffer *buf)
/* Updates stream time, only update at the start of a new frame. */
if (dev->field_cap != V4L2_FIELD_ALTERNATE ||
(buf->vb.sequence & 1) == 0)
(dev->vid_cap_seq_count & 1) == 0)
dev->ms_vid_cap =
jiffies_to_msecs(jiffies - dev->jiffies_vid_cap);