media: vivid: remove stream_sliced_vbi_cap field

Vivid tracks the VBI capture mode in vivid_dev->stream_sliced_vbi_cap
field.  We can just look at the buffer type instead, and drop the field.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/test-drivers/vivid/vivid-core.h

@@ -429,7 +429,6 @@ struct vivid_dev {
 	u32				vbi_cap_seq_start;
 	u32				vbi_cap_seq_count;
 	bool				vbi_cap_streaming;
-	bool				stream_sliced_vbi_cap;
 	u32				meta_cap_seq_start;
 	u32				meta_cap_seq_count;
 	bool				meta_cap_streaming;

drivers/media/test-drivers/vivid/vivid-kthread-cap.c

@@ -752,7 +752,7 @@ static noinline_for_stack void vivid_thread_vid_cap_tick(struct vivid_dev *dev,
 
 		v4l2_ctrl_request_setup(vbi_cap_buf->vb.vb2_buf.req_obj.req,
 					&dev->ctrl_hdl_vbi_cap);
-		if (dev->stream_sliced_vbi_cap)
+		if (vbi_cap_buf->vb.vb2_buf.type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
 			vivid_sliced_vbi_cap_process(dev, vbi_cap_buf);
 		else
 			vivid_raw_vbi_cap_process(dev, vbi_cap_buf);

drivers/media/test-drivers/vivid/vivid-vbi-cap.c

@@ -255,9 +255,8 @@ int vidioc_s_fmt_vbi_cap(struct file *file, void *priv,
 
 	if (ret)
 		return ret;
-	if (dev->stream_sliced_vbi_cap && vb2_is_busy(&dev->vb_vbi_cap_q))
+	if (f->type != V4L2_BUF_TYPE_VBI_CAPTURE && vb2_is_busy(&dev->vb_vbi_cap_q))
 		return -EBUSY;
-	dev->stream_sliced_vbi_cap = false;
 	dev->vbi_cap_dev.queue->type = V4L2_BUF_TYPE_VBI_CAPTURE;
 	return 0;
 }
@@ -322,10 +321,9 @@ int vidioc_s_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format
 
 	if (ret)
 		return ret;
-	if (!dev->stream_sliced_vbi_cap && vb2_is_busy(&dev->vb_vbi_cap_q))
+	if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE && vb2_is_busy(&dev->vb_vbi_cap_q))
 		return -EBUSY;
 	dev->service_set_cap = vbi->service_set;
-	dev->stream_sliced_vbi_cap = true;
 	dev->vbi_cap_dev.queue->type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
 	return 0;
 }