V4L/DVB: tvp7002.c: Add support for enum_dv_presets

Implement enum_dv_presets in tvp7002.

Signed-off-by: Mats Randgaard <mats.randgaard@tandberg.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mats Randgaard 2010-05-05 05:21:24 -03:00 committed by Mauro Carvalho Chehab
parent 6003b5c7e6
commit 37eb446499
1 changed files with 18 additions and 0 deletions

View File

@ -991,6 +991,23 @@ static int tvp7002_log_status(struct v4l2_subdev *sd)
return 0;
}
/*
* tvp7002_enum_dv_presets() - Enum supported digital video formats
* @sd: pointer to standard V4L2 sub-device structure
* @preset: pointer to format struct
*
* Enumerate supported digital video formats.
*/
static int tvp7002_enum_dv_presets(struct v4l2_subdev *sd,
struct v4l2_dv_enum_preset *preset)
{
/* Check requested format index is within range */
if (preset->index >= NUM_PRESETS)
return -EINVAL;
return v4l_fill_dv_preset_info(tvp7002_presets[preset->index].preset, preset);
}
/* V4L2 core operation handlers */
static const struct v4l2_subdev_core_ops tvp7002_core_ops = {
.g_chip_ident = tvp7002_g_chip_ident,
@ -1006,6 +1023,7 @@ static const struct v4l2_subdev_core_ops tvp7002_core_ops = {
/* Specific video subsystem operation handlers */
static const struct v4l2_subdev_video_ops tvp7002_video_ops = {
.enum_dv_presets = tvp7002_enum_dv_presets,
.s_dv_preset = tvp7002_s_dv_preset,
.query_dv_preset = tvp7002_query_dv_preset,
.s_stream = tvp7002_s_stream,