Hi Prabhakar, On Sat, Sep 01, 2012 at 08:23:58PM +0530, Prabhakar Lad wrote: > On Sat, Sep 1, 2012 at 7:52 PM, Laurent Pinchart > <laurent.pinchart@xxxxxxxxxxxxxxxx> wrote: > > Hi Sakari, > > > > On Saturday 01 September 2012 12:57:07 Sakari Ailus wrote: > >> On Wed, Aug 29, 2012 at 08:11:50PM +0530, Prabhakar Lad wrote: > > > > [snip] > > > >> > For test pattern you meant control to enable/disable it ? > >> > >> There are two approaches I can think of. > >> > >> One is a menu control which can be used to choose the test pattern (or > >> disable it). The control could be standardised but the menu items would have > >> to be hardware-specific since the test patterns themselves are not > >> standardised. > > > > Agreed. The test patterns themselves are highly hardware-specific. > > > > From personal experience with sensors, most devices implement a small, fixed > > set of test patterns that can be exposed through a menu control. However, some > > devices also implement more "configurable" test patterns. For instance the > > MT9V032 can generate horizontal, vertical or diagonal test patterns, or a > > uniform grey test pattern with a user-configurable value. This would then > > require two controls. > > > two controls I didn't get it ? When we have menu itself with a list of standard > patterns why would two controls be required ? Two are not required. A single menu control will do. -- 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
