Hi Scott, On Fri, Dec 30, 2011 at 03:20:43PM +0800, Scott Jiang wrote: > Hi Hans and Guennadi, > > Our bridge driver needs to know line clock count including active > lines and blanking area. > I can compute active clock count according to pixel format, but how > can I get this in blanking area in current framework? Such information is not available currently over the V4L2 subdev interface. Please see this patchset: <URL:http://www.spinics.net/lists/linux-media/msg41765.html> Patches 7 and 8 are probably the most interesting for you. This is an RFC patchset so the final implementation could well still change. Kind regards, -- Sakari Ailus e-mail: sakari.ailus@xxxxxx jabber/XMPP/Gmail: 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