diff options
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/videobuf2-core.h | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h index cc94c9d1c2c4..b88dbba37590 100644 --- a/include/media/videobuf2-core.h +++ b/include/media/videobuf2-core.h @@ -369,11 +369,22 @@ struct vb2_ops { void (*buf_queue)(struct vb2_buffer *vb); }; +/** + * struct vb2_ops - driver-specific callbacks + * + * @fill_user_buffer: given a vb2_buffer fill in the userspace structure. + * For V4L2 this is a struct v4l2_buffer. + * @fill_vb2_buffer: given a userspace structure, fill in the vb2_buffer. + * If the userspace structure is invalid, then this op + * will return an error. + * @copy_timestamp: copy the timestamp from a userspace structure to + * the vb2_buffer struct. + */ struct vb2_buf_ops { - int (*fill_user_buffer)(struct vb2_buffer *vb, void *pb); + void (*fill_user_buffer)(struct vb2_buffer *vb, void *pb); int (*fill_vb2_buffer)(struct vb2_buffer *vb, const void *pb, struct vb2_plane *planes); - int (*copy_timestamp)(struct vb2_buffer *vb, const void *pb); + void (*copy_timestamp)(struct vb2_buffer *vb, const void *pb); }; /** @@ -512,7 +523,7 @@ void vb2_buffer_done(struct vb2_buffer *vb, enum vb2_buffer_state state); void vb2_discard_done(struct vb2_queue *q); int vb2_wait_for_all_buffers(struct vb2_queue *q); -int vb2_core_querybuf(struct vb2_queue *q, unsigned int index, void *pb); +void vb2_core_querybuf(struct vb2_queue *q, unsigned int index, void *pb); int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory, unsigned int *count); int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory, |