In the virtual channel case, they should use v4l2_event.id to distinguish SOF events of different streams. Therefore, we set the virtual channel number of the stream as the SOF event ID. This number is unique. Signed-off-by: Hongju Wang <hongju.wang@xxxxxxxxx> --- drivers/media/pci/intel/ipu6/ipu6-isys-csi2.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/pci/intel/ipu6/ipu6-isys-csi2.c b/drivers/media/pci/intel/ipu6/ipu6-isys-csi2.c index 051898ce53f4..5ad426afa0f0 100644 --- a/drivers/media/pci/intel/ipu6/ipu6-isys-csi2.c +++ b/drivers/media/pci/intel/ipu6/ipu6-isys-csi2.c @@ -578,6 +578,7 @@ void ipu6_isys_csi2_sof_event_by_stream(struct ipu6_isys_stream *stream) .type = V4L2_EVENT_FRAME_SYNC, }; + ev.id = stream->vc; ev.u.frame_sync.frame_sequence = atomic_fetch_inc(&stream->sequence); v4l2_event_queue(vdev, &ev); -- 2.34.1
