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V4L/DVB (9363): tvp5150: add support to enable raw vbi 

Signed-off-by: Markus Rechberger <mrechberger@sundtek.de>
[mchehab@redhat.com: Fix bad whitespaces]
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Markus Rechberger 2008-10-24 12:19:14 -03:00 committed by Mauro Carvalho Chehab
parent a9dbe5dc2e
commit 2c5aacc6c7
1 changed files with 15 additions and 0 deletions
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15
drivers/media/video/tvp5150.c
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@ -912,6 +912,21 @@ static int tvp5150_command(struct i2c_client *c,
int i;
fmt = arg;
/* raw vbi */
if (fmt->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
/* this is for capturing 36 raw vbi lines
if there's a way to cut off the beginning 2 vbi lines
with the tvp5150 then the vbi line count could be lowered
to 17 lines/field again, although I couldn't find a register
which could do that cropping */
if (fmt->fmt.vbi.sample_format == V4L2_PIX_FMT_GREY)
tvp5150_write(c, TVP5150_LUMA_PROC_CTL_1, 0x70);
if (fmt->fmt.vbi.count[0] == 18 && fmt->fmt.vbi.count[1] == 18) {
tvp5150_write(c, TVP5150_VERT_BLANKING_START, 0x00);
tvp5150_write(c, TVP5150_VERT_BLANKING_STOP, 0x01);
}
break;
}
if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
return -EINVAL;
svbi = &fmt->fmt.sliced;