Hi Hans, Thanks for the patch. On Sunday 10 June 2012 12:25:47 Hans Verkuil wrote: > From: Hans Verkuil <hans.verkuil@xxxxxxxxx> > > Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx> > --- > Documentation/DocBook/media/v4l/vidioc-create-bufs.xml | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) > > diff --git a/Documentation/DocBook/media/v4l/vidioc-create-bufs.xml > b/Documentation/DocBook/media/v4l/vidioc-create-bufs.xml index > 765549f..afdba4d 100644 > --- a/Documentation/DocBook/media/v4l/vidioc-create-bufs.xml > +++ b/Documentation/DocBook/media/v4l/vidioc-create-bufs.xml > @@ -97,7 +97,13 @@ information.</para> > <row> > <entry>__u32</entry> > <entry><structfield>count</structfield></entry> > - <entry>The number of buffers requested or granted.</entry> > + <entry>The number of buffers requested or granted. If count == 0, > then > + <constant>VIDIOC_CREATE_BUFS</constant> will set > <structfield>index</structfield> > + to the starting buffer index, I find "starting buffer index" a bit unclear in this context, as we don't create any buffer. > and it will check the validity of > + <structfield>memory</structfield> and > <structfield>format.type</structfield>. > + If those are invalid -1 is returned and errno is set to &EINVAL;, > + otherwise <constant>VIDIOC_CREATE_BUFS</constant> returns 0. It will > + never set errno to &EBUSY; in this particular case.</entry> > </row> > <row> > <entry>__u32</entry> -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
