diff mbox series

[V2,17/29] staging: bcm2835-camera: Set sequence number correctly

Message ID 1561812516-9087-2-git-send-email-wahrenst@gmx.net (mailing list archive)
State New, archived
Headers show
Series None | expand

Commit Message

Stefan Wahren June 29, 2019, 12:48 p.m. UTC 
From: Dave Stevenson <dave.stevenson@raspberrypi.org>

Set the sequence number in vb2_v4l2_buffer mainly so the
latest v4l2-ctl reports the frame rate correctly.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Acked-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
---
 drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c | 4 ++++
 drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.h | 2 ++
 2 files changed, 6 insertions(+)

--
2.7.4
diff mbox series

Patch

diff --git a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
index 5a51e4d..167c218 100644
--- a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
+++ b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
@@ -388,6 +388,7 @@  static void buffer_cb(struct vchiq_mmal_instance *instance,
 	} else {
 		buf->vb.vb2_buf.timestamp = ktime_get_ns();
 	}
+	buf->vb.sequence = dev->capture.sequence++;

 	vb2_set_plane_payload(&buf->vb.vb2_buf, 0, length);
 	if (mmal_flags & MMAL_BUFFER_HEADER_FLAG_KEYFRAME)
@@ -515,6 +516,9 @@  static int start_streaming(struct vb2_queue *vq, unsigned int count)
 	/* enable frame capture */
 	dev->capture.frame_count = 1;

+	/* reset sequence number */
+	dev->capture.sequence = 0;
+
 	/* if the preview is not already running, wait for a few frames for AGC
 	 * to settle down.
 	 */
diff --git a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.h b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.h
index d9f0411..b5fce38 100644
--- a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.h
+++ b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.h
@@ -91,6 +91,8 @@  struct bm2835_mmal_dev {
 		s64         vc_start_timestamp;
 		/* Kernel start timestamp for streaming */
 		ktime_t kernel_start_ts;
+		/* Sequence number of last buffer */
+		u32		sequence;

 		struct vchiq_mmal_port  *port; /* port being used for capture */
 		/* camera port being used for capture */