[media] V4L: docbook documentation for struct v4l2_create_buffers

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

2 files changed, 22 insertions, 5 deletions

diff --git a/drivers/media/video/v4l2-compat-ioctl32.c b/drivers/media/video/v4l2-compat-ioctl32.c
index e77e0cfc9312..c68531b88279 100644
--- a/drivers/media/video/v4l2-compat-ioctl32.c
+++ b/drivers/media/video/v4l2-compat-ioctl32.c
@@ -159,11 +159,20 @@ struct v4l2_format32 {
         } fmt;
 };
 
+/**
+ * struct v4l2_create_buffers32 - VIDIOC_CREATE_BUFS32 argument
+ * @index:      on return, index of the first created buffer
+ * @count:      entry: number of requested buffers,
+ *              return: number of created buffers
+ * @memory:     buffer memory type
+ * @format:     frame format, for which buffers are requested
+ * @reserved:   future extensions
+ */
 struct v4l2_create_buffers32 {
-        __u32                   index;          /* output: buffers index...index + count - 1 have been created */
+        __u32                   index;
         __u32                   count;
         enum v4l2_memory        memory;
-        struct v4l2_format32    format;         /* filled in by the user, plane sizes calculated by the driver */
+        struct v4l2_format32    format;
         __u32                   reserved[8];
 };
 
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index cd512f07beed..66945a6f628d 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -2142,12 +2142,20 @@ struct v4l2_dbg_chip_ident {
         __u32 revision;    /* chip revision, chip specific */
 } __attribute__ ((packed));
 
-/* VIDIOC_CREATE_BUFS */
+/**
+ * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
+ * @index:      on return, index of the first created buffer
+ * @count:      entry: number of requested buffers,
+ *              return: number of created buffers
+ * @memory:     buffer memory type
+ * @format:     frame format, for which buffers are requested
+ * @reserved:   future extensions
+ */
 struct v4l2_create_buffers {
-        __u32                   index;          /* output: buffers index...index + count - 1 have been created */
+        __u32                   index;
         __u32                   count;
         enum v4l2_memory        memory;
-        struct v4l2_format      format;         /* "type" is used always, the rest if sizeimage == 0 */
+        struct v4l2_format      format;
         __u32                   reserved[8];
 };