media: ov5640: Add RGB565_1X16 format

The driver already supports the 2X8_[LE|BE] variants of RGB565
formats.

As for CSI-2 the 2X8 variants do not apply, add RGB565_1X16 variant
with little-endian ordering of components as required by the CSI-2
specifications.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/i2c/ov5640.c

@@ -221,6 +221,10 @@ static const struct ov5640_pixfmt {
 		.code = MEDIA_BUS_FMT_RGB565_2X8_BE,
 		.colorspace = V4L2_COLORSPACE_SRGB,
 		.bpp = 16,
+	}, {
+		.code = MEDIA_BUS_FMT_RGB565_1X16,
+		.colorspace = V4L2_COLORSPACE_SRGB,
+		.bpp = 16,
 	}, {
 		.code = MEDIA_BUS_FMT_SBGGR8_1X8,
 		.colorspace = V4L2_COLORSPACE_SRGB,
@@ -2926,6 +2930,7 @@ static int ov5640_set_framefmt(struct ov5640_dev *sensor,
 		mux = OV5640_FMT_MUX_YUV422;
 		break;
 	case MEDIA_BUS_FMT_RGB565_2X8_LE:
+	case MEDIA_BUS_FMT_RGB565_1X16:
 		/* RGB565 {g[2:0],b[4:0]},{r[4:0],g[5:3]} */
 		fmt = 0x6F;
 		mux = OV5640_FMT_MUX_RGB;