On 04/16/10 09:25, Stefan Herbrechtsmeier wrote: > Hi, > > I have updated my ov9655 driver to kernel 2.6.33 and > did some test regarding the image shift problem on pxa. > (http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/10773/focus=11810) > > > - The image was shifted 32 pixels (64 bytes) to the right > or rather the first 32 pixels belongs to the previous image. > - The image was only shifted on the first capture after reset. > It doesn't matter whether I previous change the resolution with v4l2-ctl. > - On big images (1280 x 1024) the shift disappears after some images, > but not on small images (320 x 240). > > It looks like the FIFO was not cleared at start capture. > Sounds reasonable. Similar problem seen with ov7670 attached to pxa271. I've never taken the time to try and track it down. -- 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