OpenWrt – Rev 1
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From 8e15cefda972657178522ceb72c834ecd6ed9380 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.org>
Date: Thu, 21 Jun 2018 17:02:14 +0100
Subject: [PATCH 407/454] staging: bcm2835-camera: Set sequence number
correctly
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>
---
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(+)
--- a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
+++ b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
@@ -416,6 +416,7 @@ static void buffer_cb(struct vchiq_mmal_
}
}
dev->capture.last_timestamp = buf->vb.vb2_buf.timestamp;
+ buf->vb.sequence = dev->capture.sequence++;
vb2_set_plane_payload(&buf->vb.vb2_buf, 0, length);
if (mmal_flags & MMAL_BUFFER_HEADER_FLAG_KEYFRAME)
@@ -544,6 +545,9 @@ static int start_streaming(struct vb2_qu
/* 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.
*/
--- a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.h
+++ b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.h
@@ -96,6 +96,8 @@ struct bm2835_mmal_dev {
ktime_t kernel_start_ts;
/* Timestamp of last frame */
u64 last_timestamp;
+ /* Sequence number of last buffer */
+ u32 sequence;
struct vchiq_mmal_port *port; /* port being used for capture */
/* camera port being used for capture */