This driver uses min_buffers_needed which vb2 uses to ensure start_streaming is called when at least 'min_buffers_needed' buffers are queued. However, this driver doesn't need this, it can stream fine without any buffers queued. Just drop this unnecessary restriction. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxxxxx> CC: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx> CC: Bingbu Cao <bingbu.cao@xxxxxxxxx> CC: Tianshu Qiu <tian.shu.qiu@xxxxxxxxx> --- drivers/staging/media/ipu3/ipu3-v4l2.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/staging/media/ipu3/ipu3-v4l2.c b/drivers/staging/media/ipu3/ipu3-v4l2.c index 0fe2b858da83..7f9104411edc 100644 --- a/drivers/staging/media/ipu3/ipu3-v4l2.c +++ b/drivers/staging/media/ipu3/ipu3-v4l2.c @@ -1197,8 +1197,6 @@ static int imgu_v4l2_node_setup(struct imgu_device *imgu, unsigned int pipe, sizeof(struct imgu_vb2_buffer); vbq->buf_struct_size = imgu->buf_struct_size; vbq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; - /* can streamon w/o buffers */ - vbq->min_buffers_needed = 0; vbq->drv_priv = imgu; vbq->lock = &node->lock; r = vb2_queue_init(vbq); -- 2.39.2
