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[media] V4L: docbook documentation for struct v4l2_create_buffers

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Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Guennadi Liakhovetski 2011-09-07 18:07:23 -03:00 • committed by Mauro Carvalho Chehab
commit 09362ec25c
2 changed files with 22 additions and 5 deletions
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13
drivers/media/video/v4l2-compat-ioctl32.c
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@ -159,11 +159,20 @@ struct v4l2_format32 {
} fmt; } 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 { struct v4l2_create_buffers32 {
__u32 index; /* output: buffers index...index + count - 1 have been created */ __u32 index;
__u32 count; __u32 count;
enum v4l2_memory memory; 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]; __u32 reserved[8];
}; };

14
include/linux/videodev2.h
View file

@ -2142,12 +2142,20 @@ struct v4l2_dbg_chip_ident {
__u32 revision; /* chip revision, chip specific */ __u32 revision; /* chip revision, chip specific */
} __attribute__ ((packed)); } __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 { struct v4l2_create_buffers {
__u32 index; /* output: buffers index...index + count - 1 have been created */ __u32 index;
__u32 count; __u32 count;
enum v4l2_memory memory; enum v4l2_memory memory;
struct v4l2_format format; /* "type" is used always, the rest if sizeimage == 0 */ struct v4l2_format format;
__u32 reserved[8]; __u32 reserved[8];
}; };