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authorNiklas Söderlund <niklas.soderlund+renesas@ragnatech.se>2018-05-17 10:30:15 -0400
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2018-06-28 07:29:24 -0400
commitaa2f88712718d045855acc6686dbce6a7286d010 (patch)
tree15f5c14949fda33c895c84a2bc0003ef81d32051 /include
parent39fb993038e158d4cbba47f6dbda6fe77a0e8cb9 (diff)
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.h15
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.
*

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