diff options
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/videobuf2-core.h | 4 | ||||
| -rw-r--r-- | include/media/videobuf2-v4l2.h | 13 |
2 files changed, 17 insertions, 0 deletions
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h index 9e68fe043a6c..52ef92049073 100644 --- a/include/media/videobuf2-core.h +++ b/include/media/videobuf2-core.h @@ -561,6 +561,8 @@ struct vb2_buf_ops { * when a buffer with the %V4L2_BUF_FLAG_LAST is dequeued. * @fileio: file io emulator internal data, used only if emulator is active * @threadio: thread io internal data, used only if thread is active + * @name: queue name, used for logging purpose. Initialized automatically + * if left empty by drivers. */ struct vb2_queue { unsigned int type; @@ -622,6 +624,8 @@ struct vb2_queue { struct vb2_fileio_data *fileio; struct vb2_threadio_data *threadio; + char name[32]; + #ifdef CONFIG_VIDEO_ADV_DEBUG /* * Counters for how often these queue-related ops are diff --git a/include/media/videobuf2-v4l2.h b/include/media/videobuf2-v4l2.h index 59bf33a12648..b7b5a9cb5a28 100644 --- a/include/media/videobuf2-v4l2.h +++ b/include/media/videobuf2-v4l2.h @@ -237,6 +237,19 @@ int vb2_streamoff(struct vb2_queue *q, enum v4l2_buf_type type); int __must_check vb2_queue_init(struct vb2_queue *q); /** + * vb2_queue_init_name() - initialize a videobuf2 queue with a name + * @q: pointer to &struct vb2_queue with videobuf2 queue. + * @name: the queue name + * + * This function initializes the vb2_queue exactly like vb2_queue_init(), + * and additionally sets the queue name. The queue name is used for logging + * purpose, and should uniquely identify the queue within the context of the + * device it belongs to. This is useful to attribute kernel log messages to the + * right queue for m2m devices or other devices that handle multiple queues. + */ +int __must_check vb2_queue_init_name(struct vb2_queue *q, const char *name); + +/** * vb2_queue_release() - stop streaming, release the queue and free memory * @q: pointer to &struct vb2_queue with videobuf2 queue. * |