[libcamera-devel] [PATCH 1/2] media: staging/intel-ipu3: Reset imgu_video_device sequence

Umang Jain umang.jain at ideasonboard.com
Fri Mar 18 13:18:25 CET 2022


Reset the sequence number of imgu_video_device on stream start.
Failing to do so results in sequence number getting incremented
for consecutive stream on/off cycles.

Signed-off-by: Umang Jain <umang.jain at ideasonboard.com>
---
 drivers/staging/media/ipu3/ipu3-v4l2.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/media/ipu3/ipu3-v4l2.c b/drivers/staging/media/ipu3/ipu3-v4l2.c
index 0473457b4e64..d1c539cefba8 100644
--- a/drivers/staging/media/ipu3/ipu3-v4l2.c
+++ b/drivers/staging/media/ipu3/ipu3-v4l2.c
@@ -485,6 +485,7 @@ static int imgu_vb2_start_streaming(struct vb2_queue *vq, unsigned int count)
 
 	pipe = node->pipe;
 	imgu_pipe = &imgu->imgu_pipe[pipe];
+	atomic_set(&node->sequence, 0);
 	r = media_pipeline_start(&node->vdev.entity, &imgu_pipe->pipeline);
 	if (r < 0)
 		goto fail_return_bufs;
-- 
2.31.1



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