summaryrefslogtreecommitdiff
path: root/drivers/media/pci/cx18/cx18-av-vbi.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/pci/cx18/cx18-av-vbi.c')
-rw-r--r--drivers/media/pci/cx18/cx18-av-vbi.c12
1 files changed, 2 insertions, 10 deletions
diff --git a/drivers/media/pci/cx18/cx18-av-vbi.c b/drivers/media/pci/cx18/cx18-av-vbi.c
index 65281d40c681..1a113aad9cd4 100644
--- a/drivers/media/pci/cx18/cx18-av-vbi.c
+++ b/drivers/media/pci/cx18/cx18-av-vbi.c
@@ -8,6 +8,7 @@
*/
+#include <linux/bitops.h>
#include "cx18-driver.h"
/*
@@ -56,15 +57,6 @@ struct vbi_anc_data {
/* u8 fill[]; Variable number of fill bytes */
};
-static int odd_parity(u8 c)
-{
- c ^= (c >> 4);
- c ^= (c >> 2);
- c ^= (c >> 1);
-
- return c & 1;
-}
-
static int decode_vps(u8 *dst, u8 *p)
{
static const u8 biphase_tbl[] = {
@@ -278,7 +270,7 @@ int cx18_av_decode_vbi_line(struct v4l2_subdev *sd,
break;
case 6:
sdid = V4L2_SLICED_CAPTION_525;
- err = !odd_parity(p[0]) || !odd_parity(p[1]);
+ err = !parity8(p[0]) || !parity8(p[1]);
break;
case 9:
sdid = V4L2_SLICED_VPS;