On Tue, Mar 18, 2014 at 08:50:30AM +0100, Lothar Waßmann wrote: > Hi, > > Laurent Pinchart wrote: > > Hi Lothar, > > > > On Monday 17 March 2014 16:14:36 Lothar Waßmann wrote: > > > DE is not a clock signal, but an 'Enable' signal whose value (high or > > > low) defines the window in which the pixel data is valid. > > > The flag defines whether data is valid during the HIGH or LOW period of > > > DE. > > > > The DRM_MODE_FLAG_POL_DE_(LOW|HIGH) do, by my impression of the proposed new > > DRM_MODE_FLAG_POL_DE_*EDGE flags is that they define sampling clock edges, not > > active levels. > > > The current naming of the flags gives the impression that they describe > the sampling edges of a clock signal. But the DE signal in fact is not > a clock signal but a level sensitive gating signal. +1 -- FTTC broadband for 0.8mile line: now at 9.7Mbps down 460kbps up... slowly improving, and getting towards what was expected from it. _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
