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>

1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/media/video/tvp5150.c b/drivers/media/video/tvp5150.c
index 28af5ce5560d..e8f701a412ab 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;