media: imx-csi: fix burst size for 16 bit

A burst_size of 4 does not work for the 16 bit passthrough formats, so
we use 8 instead.

Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

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

@@ -410,7 +410,7 @@ static int csi_idmac_setup_channel(struct csi_priv *priv)
 	case V4L2_PIX_FMT_SGRBG16:
 	case V4L2_PIX_FMT_SRGGB16:
 	case V4L2_PIX_FMT_Y16:
-		burst_size = 4;
+		burst_size = 8;
 		passthrough = true;
 		passthrough_bits = 16;
 		break;