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| author | Ezequiel Garcia <ezequiel@collabora.com> | 2019-02-06 00:11:15 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-02-07 20:35:42 +0300 |
| commit | c2d88e7d66f9d327593e0d0f9d7f94755b637e5c (patch) | |
| tree | 06d05076863199835353dfc8911032efdc0aa28a /include/media | |
| parent | 9bcb830bfceaac456ff8206e3ed74210e133613e (diff) | |
| download | linux-c2d88e7d66f9d327593e0d0f9d7f94755b637e5c.tar.xz | |
media: vb2: Fix buf_out_validate documentation
The .buf_out_validate callback is mandatory for OUTPUT
queues. Mark it as such in the callback's doc.
Fixes: 28d77c21cb ("media: vb2: add buf_out_validate callback")
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/videobuf2-core.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h index 4849b865b908..06142c1469cc 100644 --- a/include/media/videobuf2-core.h +++ b/include/media/videobuf2-core.h @@ -345,7 +345,8 @@ struct vb2_buffer { * waiting for a new buffer to arrive. * @buf_out_validate: called when the output buffer is prepared or queued * to a request; drivers can use this to validate - * userspace-provided information; optional. + * userspace-provided information; this is required only + * for OUTPUT queues. * @buf_init: called once after allocating a buffer (in MMAP case) * or after acquiring a new USERPTR buffer; drivers may * perform additional buffer-related initialization; |