[media] media: mx2_camera: Add YUYV output format

Add explicit conversions from UYVY and YUYV to YUYV so that
csicr1 configuration can be set properly for each format.
Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/platform/mx2_camera.c

@@ -335,6 +335,34 @@ static struct mx2_fmt_cfg mx27_emma_prp_table[] = {
 			.csicr1		= 0,
 		}
 	},
+	{
+		.in_fmt		= V4L2_MBUS_FMT_UYVY8_2X8,
+		.out_fmt	= V4L2_PIX_FMT_YUYV,
+		.cfg		= {
+			.channel	= 1,
+			.in_fmt		= PRP_CNTL_DATA_IN_YUV422,
+			.out_fmt	= PRP_CNTL_CH1_OUT_YUV422,
+			.src_pixel	= 0x22000888, /* YUV422 (YUYV) */
+			.ch1_pixel	= 0x62000888, /* YUV422 (YUYV) */
+			.irq_flags	= PRP_INTR_RDERR | PRP_INTR_CH1WERR |
+						PRP_INTR_CH1FC | PRP_INTR_LBOVF,
+			.csicr1		= CSICR1_SWAP16_EN,
+		}
+	},
+	{
+		.in_fmt		= V4L2_MBUS_FMT_YUYV8_2X8,
+		.out_fmt	= V4L2_PIX_FMT_YUYV,
+		.cfg		= {
+			.channel	= 1,
+			.in_fmt		= PRP_CNTL_DATA_IN_YUV422,
+			.out_fmt	= PRP_CNTL_CH1_OUT_YUV422,
+			.src_pixel	= 0x22000888, /* YUV422 (YUYV) */
+			.ch1_pixel	= 0x62000888, /* YUV422 (YUYV) */
+			.irq_flags	= PRP_INTR_RDERR | PRP_INTR_CH1WERR |
+						PRP_INTR_CH1FC | PRP_INTR_LBOVF,
+			.csicr1		= CSICR1_PACK_DIR,
+		}
+	},
 	{
 		.in_fmt		= V4L2_MBUS_FMT_YUYV8_2X8,
 		.out_fmt	= V4L2_PIX_FMT_YUV420,
@@ -1142,6 +1170,18 @@ static int mx2_camera_get_formats(struct soc_camera_device *icd,
 		}
 	}
 
+	if (code == V4L2_MBUS_FMT_UYVY8_2X8) {
+		formats++;
+		if (xlate) {
+			xlate->host_fmt =
+				soc_mbus_get_fmtdesc(V4L2_MBUS_FMT_YUYV8_2X8);
+			xlate->code	= code;
+			dev_dbg(dev, "Providing host format %s for sensor code %d\n",
+				xlate->host_fmt->name, code);
+			xlate++;
+		}
+	}
+
 	/* Generic pass-trough */
 	formats++;
 	if (xlate) {