V4L/DVB (7088): V4L: stkwebcam: Add support for YUYV format

Signed-off-by: Jaime Velasco Juan <jsagarribay@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/stk-sensor.c

@@ -380,7 +380,7 @@ int stk_sensor_init(struct stk_camera *dev)
 		STK_ERROR("Strange error reading sensor ID\n");
 		return -ENODEV;
 	}
-	if (idh != 0x7F || idl != 0xA2) {
+	if (idh != 0x7f || idl != 0xa2) {
 		STK_ERROR("Huh? you don't have a sensor from ovt\n");
 		return -ENODEV;
 	}
@@ -409,6 +409,19 @@ static struct regval ov_fmt_uyvy[] = {
 	{REG_COM15, COM15_R00FF },
 	{0xff, 0xff}, /* END MARKER */
 };
+/* V4L2_PIX_FMT_YUYV */
+static struct regval ov_fmt_yuyv[] = {
+	{REG_TSLB, 0 },
+	{ 0x4f, 0x80 }, 	/* "matrix coefficient 1" */
+	{ 0x50, 0x80 }, 	/* "matrix coefficient 2" */
+	{ 0x51, 0    },		/* vb */
+	{ 0x52, 0x22 }, 	/* "matrix coefficient 4" */
+	{ 0x53, 0x5e }, 	/* "matrix coefficient 5" */
+	{ 0x54, 0x80 }, 	/* "matrix coefficient 6" */
+	{REG_COM13, COM13_UVSAT|COM13_CMATRIX},
+	{REG_COM15, COM15_R00FF },
+	{0xff, 0xff}, /* END MARKER */
+};
 
 /* V4L2_PIX_FMT_RGB565X rrrrrggg gggbbbbb */
 static struct regval ov_fmt_rgbr[] = {
@@ -519,6 +532,10 @@ int stk_sensor_configure(struct stk_camera *dev)
 		com7 |= COM7_YUV;
 		rv = ov_fmt_uyvy;
 		break;
+	case V4L2_PIX_FMT_YUYV:
+		com7 |= COM7_YUV;
+		rv = ov_fmt_yuyv;
+		break;
 	case V4L2_PIX_FMT_RGB565:
 		com7 |= COM7_RGB;
 		rv = ov_fmt_rgbp;

drivers/media/video/stk-webcam.c

@@ -993,6 +993,10 @@ static int stk_vidioc_enum_fmt_cap(struct file *filp,
 		fmtd->pixelformat = V4L2_PIX_FMT_SBGGR8;
 		strcpy(fmtd->description, "Raw bayer");
 		break;
+	case 4:
+		fmtd->pixelformat = V4L2_PIX_FMT_YUYV;
+		strcpy(fmtd->description, "yuv4:2:2");
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -1048,6 +1052,7 @@ static int stk_vidioc_try_fmt_cap(struct file *filp,
 	case V4L2_PIX_FMT_RGB565:
 	case V4L2_PIX_FMT_RGB565X:
 	case V4L2_PIX_FMT_UYVY:
+	case V4L2_PIX_FMT_YUYV:
 	case V4L2_PIX_FMT_SBGGR8:
 		break;
 	default:
@@ -1403,7 +1408,7 @@ static int stk_camera_probe(struct usb_interface *interface,
 	dev->vsettings.brightness = 0x7fff;
 	dev->vsettings.palette = V4L2_PIX_FMT_RGB565;
 	dev->vsettings.mode = MODE_VGA;
-	dev->frame_size = 640*480*2;
+	dev->frame_size = 640 * 480 * 2;
 
 	INIT_LIST_HEAD(&dev->sio_avail);
 	INIT_LIST_HEAD(&dev->sio_full);