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| author | Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> | 2022-08-31 16:13:26 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2022-09-24 09:08:28 +0200 |
| commit | 87d36eb84d4f45657bb422af36c9eed0161cd032 (patch) | |
| tree | 9c98a01aaf39bbc8464e12046bb58506976c07cb /include/media | |
| parent | c7097c80ca684f6476a55b2e202b975cf3e36b46 (diff) | |
| download | linux-87d36eb84d4f45657bb422af36c9eed0161cd032.tar.gz linux-87d36eb84d4f45657bb422af36c9eed0161cd032.tar.bz2 linux-87d36eb84d4f45657bb422af36c9eed0161cd032.zip | |
media: subdev: increase V4L2_FRAME_DESC_ENTRY_MAX to 8
V4L2_FRAME_DESC_ENTRY_MAX is currently set to 4. In theory it's possible
to have an arbitrary amount of streams in a single pad, so preferably
there should be no hardcoded maximum number.
However, I believe a reasonable max is 8, which would cover a CSI-2 pad
with 4 streams of pixel data and 4 streams of metadata.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/v4l2-subdev.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index ec1896886dbd..2f80c9c818ed 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -358,7 +358,11 @@ struct v4l2_mbus_frame_desc_entry { } bus; }; -#define V4L2_FRAME_DESC_ENTRY_MAX 4 + /* + * If this number is too small, it should be dropped altogether and the + * API switched to a dynamic number of frame descriptor entries. + */ +#define V4L2_FRAME_DESC_ENTRY_MAX 8 /** * enum v4l2_mbus_frame_desc_type - media bus frame description type |