diff options
Diffstat (limited to 'linux/drivers/media/video/saa7115.c')
| -rw-r--r-- | linux/drivers/media/video/saa7115.c | 33 |
1 files changed, 15 insertions, 18 deletions
diff --git a/linux/drivers/media/video/saa7115.c b/linux/drivers/media/video/saa7115.c index 462c5dd7f..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; @@ -1428,17 +1431,8 @@ static int saa711x_command(struct i2c_client *client, unsigned int cmd, void *ar } #ifdef CONFIG_VIDEO_ADV_DEBUG - case VIDIOC_INT_G_REGISTER: - { - struct v4l2_register *reg = arg; - - if (reg->i2c_id != I2C_DRIVERID_SAA711X) - return -EINVAL; - reg->val = saa711x_read(client, reg->reg & 0xff); - break; - } - - case VIDIOC_INT_S_REGISTER: + case VIDIOC_DBG_G_REGISTER: + case VIDIOC_DBG_S_REGISTER: { struct v4l2_register *reg = arg; @@ -1446,7 +1440,10 @@ static int saa711x_command(struct i2c_client *client, unsigned int cmd, void *ar return -EINVAL; if (!capable(CAP_SYS_ADMIN)) return -EPERM; - saa711x_write(client, reg->reg & 0xff, reg->val & 0xff); + if (cmd == VIDIOC_DBG_G_REGISTER) + reg->val = saa711x_read(client, reg->reg & 0xff); + else + saa711x_write(client, reg->reg & 0xff, reg->val & 0xff); break; } #endif |