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| author | Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> | 2018-05-17 17:30:15 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-06-28 14:29:24 +0300 |
| commit | aa2f88712718d045855acc6686dbce6a7286d010 (patch) | |
| tree | 15f5c14949fda33c895c84a2bc0003ef81d32051 /include | |
| parent | 39fb993038e158d4cbba47f6dbda6fe77a0e8cb9 (diff) | |
| download | linux-aa2f88712718d045855acc6686dbce6a7286d010.tar.xz | |
media: v4l2-ioctl: create helper to fill in v4l2_standard for ENUMSTD
Prepare for adding a new IOCTL VIDIOC_SUBDEV_ENUMSTD which would
enumerate the standards for a subdevice by breaking out the code which
could be shared between the video and subdevice versions of this IOCTL.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
[hans.verkuil@cisco.com: fixed 'sdandard' typos in v4l2-ioctl.h]
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/media/v4l2-ioctl.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h index a8dbf5b54b5c..5848d92c30da 100644 --- a/include/media/v4l2-ioctl.h +++ b/include/media/v4l2-ioctl.h @@ -621,7 +621,7 @@ const char *v4l2_norm_to_name(v4l2_std_id id); * v4l2_video_std_frame_period - Ancillary routine that fills a * struct &v4l2_fract pointer with the default framerate fraction. * - * @id: analog TV sdandard ID. + * @id: analog TV standard ID. * @frameperiod: struct &v4l2_fract pointer to be filled * */ @@ -632,7 +632,7 @@ void v4l2_video_std_frame_period(int id, struct v4l2_fract *frameperiod); * a &v4l2_standard structure according to the @id parameter. * * @vs: struct &v4l2_standard pointer to be filled - * @id: analog TV sdandard ID. + * @id: analog TV standard ID. * @name: name of the standard to be used * * .. note:: @@ -643,6 +643,17 @@ int v4l2_video_std_construct(struct v4l2_standard *vs, int id, const char *name); /** + * v4l_video_std_enumstd - Ancillary routine that fills in the fields of + * a &v4l2_standard structure according to the @id and @vs->index + * parameters. + * + * @vs: struct &v4l2_standard pointer to be filled. + * @id: analog TV standard ID. + * + */ +int v4l_video_std_enumstd(struct v4l2_standard *vs, v4l2_std_id id); + +/** * v4l_printk_ioctl - Ancillary routine that prints the ioctl in a * human-readable format. * |