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authorMarkus Rechberger <mrechberger@gmail.com>2008-10-24 12:19:14 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-12-29 17:53:13 -0200
commit2c5aacc6c7916e0a432991b68f3645540365ad53 (patch)
treee322a255546135cb6f9007edb022ef5511fdfd20 /drivers/media/video/tvp5150.c
parenta9dbe5dc2e9337f1c7fab16963753aaf3f5283be (diff)
downloadop-kernel-dev-2c5aacc6c7916e0a432991b68f3645540365ad53.zip
op-kernel-dev-2c5aacc6c7916e0a432991b68f3645540365ad53.tar.gz
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>
Diffstat (limited to 'drivers/media/video/tvp5150.c')
-rw-r--r--drivers/media/video/tvp5150.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/media/video/tvp5150.c b/drivers/media/video/tvp5150.c
index 28af5ce..e8f701a 100644
--- a/drivers/media/video/tvp5150.c
+++ b/drivers/media/video/tvp5150.c
@@ -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;
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