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| author | Stanimir Varbanov <svarbanov@mm-sol.com> | 2010-05-21 06:04:24 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-03-22 04:53:26 -0300 |
| commit | 7cd5a16b22af7dc92190a60f336b6854a6fcb99d (patch) | |
| tree | cce6aabf2417030946c5605fa11e83c902431192 /include/media | |
| parent | dacdde78b39e49edf2f7af85be4b613978280b26 (diff) | |
| download | lwn-7cd5a16b22af7dc92190a60f336b6854a6fcb99d.tar.gz lwn-7cd5a16b22af7dc92190a60f336b6854a6fcb99d.zip | |
[media] v4l: Create v4l2 subdev file handle structure
Used for storing subdev information per file handle and hold V4L2 file
handle.
Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com>
Signed-off-by: Antti Koskipaa <akoskipa@gmail.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/v4l2-subdev.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index 6f51ce4d7ee7..72f49eb3002b 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -24,6 +24,7 @@ #include <media/media-entity.h> #include <media/v4l2-common.h> #include <media/v4l2-dev.h> +#include <media/v4l2-fh.h> #include <media/v4l2-mediabus.h> /* generic v4l2_device notify callback notification values */ @@ -481,6 +482,34 @@ struct v4l2_subdev { #define vdev_to_v4l2_subdev(vdev) \ container_of(vdev, struct v4l2_subdev, devnode) +/* + * Used for storing subdev information per file handle + */ +struct v4l2_subdev_fh { + struct v4l2_fh vfh; +#if defined(CONFIG_VIDEO_V4L2_SUBDEV_API) + struct v4l2_mbus_framefmt *try_fmt; + struct v4l2_rect *try_crop; +#endif +}; + +#define to_v4l2_subdev_fh(fh) \ + container_of(fh, struct v4l2_subdev_fh, vfh) + +#if defined(CONFIG_VIDEO_V4L2_SUBDEV_API) +static inline struct v4l2_mbus_framefmt * +v4l2_subdev_get_try_format(struct v4l2_subdev_fh *fh, unsigned int pad) +{ + return &fh->try_fmt[pad]; +} + +static inline struct v4l2_rect * +v4l2_subdev_get_try_crop(struct v4l2_subdev_fh *fh, unsigned int pad) +{ + return &fh->try_crop[pad]; +} +#endif + extern const struct v4l2_file_operations v4l2_subdev_fops; static inline void v4l2_set_subdevdata(struct v4l2_subdev *sd, void *p) |