On Tue, 3 Nov 2009, Antonio Ospite wrote: > On Mon, 05 Oct 2009 08:32:10 +0200 > Stefan Herbrechtsmeier <hbmeier@xxxxxxxxxxxxxxxxxxxx> wrote: > > > Antonio Ospite schrieb: > > > On Sun, 4 Oct 2009 00:31:24 +0200 (CEST) > > > Guennadi Liakhovetski <g.liakhovetski@xxxxxx> wrote: > > > > > >>> Anyways your patch works, but the picture is now shifted, see: > > >>> http://people.openezx.org/ao2/a780-pxa-camera-mt9m111-shifted.jpg > > >>> > > >>> Is this because of the new cropping code? > > >>> > > >> Hm, it shouldn't be. Does it look always like this - reproducible? What > > >> program are you using? What about other geometry configurations? Have you > > >> ever seen this with previous kernel versions? New cropping - neither > > >> mplayer nor gstreamer use cropping normally. This seems more like a HSYNC > > >> problem to me. Double-check platform data? Is it mioa701 or some custom > > >> board? > > >> > > Platform data: if I set SOCAM_HSYNC_ACTIVE_HIGH the result is even > "wronger", with or without SOCAM_HSYNC_ACTIVE_LOW I get the same > result, now reproducible, see below. > > > > > Only for your information. Maybe it helps to reproduce the error. > > > > I have the same problem with my own ov9655 driver on a pxa platform > > since I update to kernel 2.6.30 > > and add crop support. Every first open of the camera after system reset > > the image looks like yours. > > If I use the camera the next time without changing the resolution > > everything is OK. Only during the > > first open the resolution of the camera is changed and function fmt set > > in the ov9655 driver is called > > twice. I use the camera with my one program and it doesn't use crop. > > Thanks Stefan, now I can reproduce the problem. > 1. Boot the system > 2. Capture an image with capture-example from v4l2-apps. > > Then I have the shift as in the picture above on the *first* device > open, if I open the device again and capture a second time, without > rebooting, the picture is fine. > > I'll let you know if I find more clues of what is causing this > behavior. Yes, please do. I'll try to find some time to double-check this with my setup. Thanks Guennadi --- Guennadi Liakhovetski, Ph.D. Freelance Open-Source Software Developer http://www.open-technology.de/ -- 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
