[media] cx231xx: Fix VBI parameters for sampling rate and offset

The VBI sampling rate and offset were incorrectly specified, which resulted in
CC data not being rendered under zvbi or tvtime.

Set the fields correctly.
Signed-off-by: Devin Heitmueller <dheitmueller@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/cx231xx/cx231xx-video.c

@@ -2020,12 +2020,10 @@ static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv,
 {
 	struct cx231xx_fh *fh = priv;
 	struct cx231xx *dev = fh->dev;
-
-	f->fmt.vbi.sampling_rate = (dev->norm & V4L2_STD_625_50) ?
-	    35468950 : 28636363;
+	f->fmt.vbi.sampling_rate = 6750000 * 4;
 	f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
 	f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
-	f->fmt.vbi.offset = 64 * 4;
+	f->fmt.vbi.offset = 0;
 	f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ?
 	    PAL_VBI_START_LINE : NTSC_VBI_START_LINE;
 	f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ?
@@ -2050,11 +2048,10 @@ static int vidioc_try_fmt_vbi_cap(struct file *file, void *priv,
 	}
 
 	f->type = V4L2_BUF_TYPE_VBI_CAPTURE;
-	f->fmt.vbi.sampling_rate = (dev->norm & V4L2_STD_625_50) ?
-	    35468950 : 28636363;
+	f->fmt.vbi.sampling_rate = 6750000 * 4;
 	f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
 	f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
-	f->fmt.vbi.offset = 244;
+	f->fmt.vbi.offset = 0;
 	f->fmt.vbi.flags = 0;
 	f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ?
 	    PAL_VBI_START_LINE : NTSC_VBI_START_LINE;