On Sun, 2010-12-19 at 18:21 -0600, Theodore Kilgore wrote: > If the controls are locked while the workqueue is doing the streaming, > then probably that does fix the problem? Most likely, that is the simplest > thing to do. Drivers are allowed to return -EBUSY per the V4L2 spec. http://linuxtv.org/downloads/v4l-dvb-apis/vidioc-g-ctrl.html http://linuxtv.org/downloads/v4l-dvb-apis/vidioc-g-ext-ctrls.html Regards, Andy > Theodore Kilgore -- 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