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path: root/drivers/media/video/ivtv/ivtv-vbi.c
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Diffstat (limited to 'drivers/media/video/ivtv/ivtv-vbi.c')
-rw-r--r--drivers/media/video/ivtv/ivtv-vbi.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/media/video/ivtv/ivtv-vbi.c b/drivers/media/video/ivtv/ivtv-vbi.c
index 71798f0..1ce9deb 100644
--- a/drivers/media/video/ivtv/ivtv-vbi.c
+++ b/drivers/media/video/ivtv/ivtv-vbi.c
@@ -293,6 +293,7 @@ static u32 compress_sliced_buf(struct ivtv *itv, u32 line, u8 *buf, u32 size, u8
u32 line_size = itv->vbi.sliced_decoder_line_size;
struct v4l2_decode_vbi_line vbi;
int i;
+ unsigned lines = 0;
/* find the first valid line */
for (i = 0; i < size; i++, buf++) {
@@ -313,7 +314,8 @@ static u32 compress_sliced_buf(struct ivtv *itv, u32 line, u8 *buf, u32 size, u8
}
vbi.p = p + 4;
itv->video_dec_func(itv, VIDIOC_INT_DECODE_VBI_LINE, &vbi);
- if (vbi.type) {
+ if (vbi.type && !(lines & (1 << vbi.line))) {
+ lines |= 1 << vbi.line;
itv->vbi.sliced_data[line].id = vbi.type;
itv->vbi.sliced_data[line].field = vbi.is_second_field;
itv->vbi.sliced_data[line].line = vbi.line;
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