diff options
| author | Hans Verkuil <hverkuil@xs4all.nl> | 2007-02-03 10:35:07 +0100 |
|---|---|---|
| committer | Hans Verkuil <hverkuil@xs4all.nl> | 2007-02-03 10:35:07 +0100 |
| commit | 1bc102264989e1835b7cb712a20692c8b22d3abd (patch) | |
| tree | 9fac32dfd592d3f67e9cd872b41f8d59fe5564ec /linux/drivers/media/video/saa7115.c | |
| parent | 782adfdd2b27c2a211f0b582c14b5f19b07a6e9f (diff) | |
| download | mediapointer-dvb-s2-1bc102264989e1835b7cb712a20692c8b22d3abd.tar.gz mediapointer-dvb-s2-1bc102264989e1835b7cb712a20692c8b22d3abd.tar.bz2 | |
Fix CC handling in VIDIOC_INT_G_VBI_DATA
From: Hans Verkuil <hverkuil@xs4all.nl>
When capturing a 60 Hz input the internal field ID is inverted. The
VIDIOC_INT_G_VBI_DATA didn't take that into account and so returned
XDS instead of CC and vice versa.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Diffstat (limited to 'linux/drivers/media/video/saa7115.c')
| -rw-r--r-- | linux/drivers/media/video/saa7115.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/linux/drivers/media/video/saa7115.c b/linux/drivers/media/video/saa7115.c index 71e1cab45..6163a68e3 100644 --- a/linux/drivers/media/video/saa7115.c +++ b/linux/drivers/media/video/saa7115.c @@ -1399,6 +1399,9 @@ static int saa711x_command(struct i2c_client *client, unsigned int cmd, void *ar { struct v4l2_sliced_vbi_data *data = arg; + /* Note: the internal field ID is inverted for NTSC, + so data->field 0 maps to the saa7115 even field, + whereas for PAL it maps to the saa7115 odd field. */ switch (data->id) { case V4L2_SLICED_WSS_625: if (saa711x_read(client, 0x6b) & 0xc0) @@ -1409,17 +1412,17 @@ static int saa711x_command(struct i2c_client *client, unsigned int cmd, void *ar case V4L2_SLICED_CAPTION_525: if (data->field == 0) { /* CC */ - if (saa711x_read(client, 0x66) & 0xc0) + if (saa711x_read(client, 0x66) & 0x30) return -EIO; - data->data[0] = saa711x_read(client, 0x67); - data->data[1] = saa711x_read(client, 0x68); + data->data[0] = saa711x_read(client, 0x69); + data->data[1] = saa711x_read(client, 0x6a); return 0; } /* XDS */ - if (saa711x_read(client, 0x66) & 0x30) + if (saa711x_read(client, 0x66) & 0xc0) return -EIO; - data->data[0] = saa711x_read(client, 0x69); - data->data[1] = saa711x_read(client, 0x6a); + data->data[0] = saa711x_read(client, 0x67); + data->data[1] = saa711x_read(client, 0x68); return 0; default: return -EINVAL; |