Hello Hans On Tue, Feb 17, 2015 at 1:03 PM, Hans Verkuil <[email protected]> wrote: > Should be done after the 'ctrl == NULL' check.
Good catch. Fixed on v2 > >> >> if (ctrl == NULL) >> continue; >> > > There is one more change that has to be made: setting a volatile control > should never generate a V4L2_EVENT_CTRL_CH_VALUE event since that makes > no sense. The way to prevent that is to ensure that ctrl->has_changed is > always false for volatile controls. The new_to_cur function looks at that > field to decide whether to send an event. > > The documentation should also be updated: that of V4L2_CTRL_FLAG_VOLATILE > (in VIDIOC_QUERYCTRL), and of V4L2_EVENT_CTRL_CH_VALUE. I can do this also if you want. It has been a while without contributing to media :) Regards! > > Regards, > > Hans -- Ricardo Ribalda -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
