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>

diff --git a/drivers/media/video/tvp5150.c b/drivers/media/video/tvp5150.c
index 28af5ce5560d793305ccddb4ea75d3fc0f02840f..e8f701a412ab051479cc4decdd1ac21a72837c3f 100644 (file)
--- 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;