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Commit 2c5aacc6 authored by Markus Rechberger's avatar Markus Rechberger Committed by Mauro Carvalho Chehab
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V4L/DVB (9363): tvp5150: add support to enable raw vbi 



Signed-off-by: default avatarMarkus Rechberger <mrechberger@sundtek.de>
[mchehab@redhat.com: Fix bad whitespaces]
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent a9dbe5dc

drivers/media/video/tvp5150.c

+15 −0
Original line number Diff line number Diff line
@@ -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;