Hi, After patching the kernel, the rate that images are captured from the camera reduce by a factor of 2.5. Here are a list of frame rates I have tried followed by the resulted frame-rate: 10 fps --> 4 fps 15 fps --> 6 fps 25 fps --> 10 fps 30 fps --> 12 fps Note that all of the rates are consistently divided by 2.5. This seems to be a clocking issue to me. Is there any multipliers in V4L2 (or UVC?) code in framerate calculation which depends on the hardware and be cause of this? Bests, Isaac -- 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