Hi Laurent, Thnanks for the comments. A few more below. On Tue, Oct 01, 2013 at 01:21:58AM +0200, Laurent Pinchart wrote: > Hi Sakari, > > On Tuesday 01 October 2013 02:08:47 Sakari Ailus wrote: > > On Fri, Sep 20, 2013 at 11:08:47PM +0200, Laurent Pinchart wrote: > > > On Thursday 19 September 2013 01:01:05 Sakari Ailus wrote: > > > > Pads that set this flag must be connected by an active link for the > > > > entity > > > > to stream. > > > > > > > > Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxx> > > > > Acked-by: Sylwester Nawrocki <sylvester.nawrocki@xxxxxxxxx> > > > > --- > > > > > > > > Documentation/DocBook/media/v4l/media-ioc-enum-links.xml | 8 +++++++ > > > > include/uapi/linux/media.h | 1 + > > > > 2 files changed, 9 insertions(+) > > > > > > > > diff --git a/Documentation/DocBook/media/v4l/media-ioc-enum-links.xml > > > > b/Documentation/DocBook/media/v4l/media-ioc-enum-links.xml index > > > > 355df43..59b212a 100644 > > > > --- a/Documentation/DocBook/media/v4l/media-ioc-enum-links.xml > > > > +++ b/Documentation/DocBook/media/v4l/media-ioc-enum-links.xml > > > > @@ -134,6 +134,14 @@ > > > > <entry>Output pad, relative to the entity. Output pads source > > > > data and are origins of links.</entry> > > > > </row> > > > > + <row> > > > > + <entry><constant>MEDIA_PAD_FL_MUST_CONNECT</constant></entry> > > > > + <entry>A pad must be connected with an enabled link for the > > > > > > s/A pad/The pad/ ? > > > > Fixed. > > > > > > + entity to be able to stream. There could be temporary reasons > > > > + (e.g. device configuration dependent) for the pad to need > > > > + connecting; the absence of the flag won't say there > > > > + may not be any.</entry> > > > > > > I believe the description doesn't make it very explicit that a > > > MUST_CONNECT pad with no existing link is valid, as opposed to existing > > > links with no enabled link, which would be invalid. Do you think we should > > > fix that ? > > > > Yes. I propose to add this: "The flag has no effect on pads without > > connected links." > > What about > > If the pad is linked to any other pad, at least one of the links must be > enabled for the entity to be able to stream. There could be temporary reasons > (e.g. device configuration dependent) for the pad to need enabled links; the > absence of the flag doesn't imply there is none. The flag has no effect on > pads without connected links. Thinking about this again, I'd add before the comma: "and this flag is set". And if you put it like that then the last sentence is redundat --- I'd drop it. What do you think? -- Sakari Ailus e-mail: sakari.ailus@xxxxxx XMPP: sailus@xxxxxxxxxxxxxx -- 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