media: imx: capture: Use device name to construct bus_info

The v4l2_capability bus_info field is meant to locate the device in the
system. Using a subdev name isn't a good fit, the device name is a much
better option. Use it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/staging/media/imx/imx-media-capture.c

@@ -74,7 +74,7 @@ static int vidioc_querycap(struct file *file, void *fh,
 	strscpy(cap->driver, IMX_CAPTURE_NAME, sizeof(cap->driver));
 	strscpy(cap->card, IMX_CAPTURE_NAME, sizeof(cap->card));
 	snprintf(cap->bus_info, sizeof(cap->bus_info),
-		 "platform:%s", priv->src_sd->name);
+		 "platform:%s", dev_name(priv->dev));
 
 	return 0;
 }