From c2d88e7d66f9d327593e0d0f9d7f94755b637e5c Mon Sep 17 00:00:00 2001 From: Ezequiel Garcia Date: Tue, 5 Feb 2019 16:11:15 -0500 Subject: 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 Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- include/media/videobuf2-core.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'include/media/videobuf2-core.h') 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; -- cgit