V4L/DVB (11688): gspca - m5602-s5k4aa: Fixup SXGA resolution.

The SXGA resolution doesn't work unless you first force the VGA resolution.
More investigation is needed in order to fix this the "right" way.

Signed-off-by: Grégory Lardière <spmf2004-m560x@yahoo.fr>
Signed-off-by: Erik Andrén <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/gspca/m5602/m5602_s5k4aa.c

@@ -74,6 +74,17 @@ static struct v4l2_pix_format s5k4aa_modes[] = {
 		.bytesperline = 640,
 		.colorspace = V4L2_COLORSPACE_SRGB,
 		.priv = 0
+	},
+	{
+		1280,
+		1024,
+		V4L2_PIX_FMT_SBGGR8,
+		V4L2_FIELD_NONE,
+		.sizeimage =
+			1280 * 1024,
+		.bytesperline = 1280,
+		.colorspace = V4L2_COLORSPACE_SRGB,
+		.priv = 0
 	}
 };
 
@@ -288,6 +299,10 @@ int s5k4aa_start(struct sd *sd)
 				return -EINVAL;
 			}
 		}
+		err = s5k4aa_set_noise(&sd->gspca_dev, 0);
+		if (err < 0)
+			return err;
+		break;
 
 	case 640:
 		PDEBUG(D_V4L2, "Configuring camera for VGA mode");
@@ -320,6 +335,10 @@ int s5k4aa_start(struct sd *sd)
 				return -EINVAL;
 			}
 		}
+		err = s5k4aa_set_noise(&sd->gspca_dev, 1);
+		if (err < 0)
+			return err;
+		break;
 	}
 	return err;
 }
@@ -374,10 +393,6 @@ int s5k4aa_init(struct sd *sd)
 	if (err < 0)
 		return err;
 
-	err = s5k4aa_set_noise(&sd->gspca_dev, sensor_settings[NOISE_SUPP_IDX]);
-	if (err < 0)
-		return err;
-
 	err = s5k4aa_set_vflip(&sd->gspca_dev, sensor_settings[VFLIP_IDX]);
 	if (err < 0)
 		return err;

drivers/media/video/gspca/m5602/m5602_s5k4aa.h

@@ -265,18 +265,17 @@ static const unsigned char SXGA_s5k4aa[][4] =
 	{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xa0, 0x00}, /* 48 MHz */
 
 	{SENSOR, S5K4AA_PAGE_MAP, 0x02, 0x00},
-	{SENSOR, S5K4AA_READ_MODE, S5K4AA_RM_H_FLIP | S5K4AA_RM_ROW_SKIP_2X
-		| S5K4AA_RM_COL_SKIP_2X, 0x00},
+	{SENSOR, S5K4AA_READ_MODE, S5K4AA_RM_H_FLIP, 0x00},
 	{SENSOR, 0x37, 0x01, 0x00},
 	{SENSOR, S5K4AA_ROWSTART_HI, 0x00, 0x00},
-	{SENSOR, S5K4AA_ROWSTART_LO, 0x0a, 0x00},
+	{SENSOR, S5K4AA_ROWSTART_LO, 0x09, 0x00},
 	{SENSOR, S5K4AA_COLSTART_HI, 0x00, 0x00},
-	{SENSOR, S5K4AA_COLSTART_LO, 0x0b, 0x00},
+	{SENSOR, S5K4AA_COLSTART_LO, 0x0a, 0x00},
 	{SENSOR, S5K4AA_WINDOW_HEIGHT_HI, 0x04, 0x00},
 	{SENSOR, S5K4AA_WINDOW_HEIGHT_LO, 0x00, 0x00},
 	{SENSOR, S5K4AA_WINDOW_WIDTH_HI, 0x05, 0x00},
 	{SENSOR, S5K4AA_WINDOW_WIDTH_LO, 0x00, 0x00},
-	{SENSOR, S5K4AA_H_BLANK_HI__, 0x00, 0x00},
+	{SENSOR, S5K4AA_H_BLANK_HI__, 0x01, 0x00},
 	{SENSOR, S5K4AA_H_BLANK_LO__, 0xa8, 0x00},
 	{SENSOR, S5K4AA_EXPOSURE_HI, 0x01, 0x00},
 	{SENSOR, S5K4AA_EXPOSURE_LO, 0x00, 0x00},