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@xxxxxxxxxxxxx>
---
include/media/videobuf2-core.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
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;
--
2.20.1
