Drivers can use the has_new field to determine if a new value was specified for a control. The v4l2_ctrl_handler_setup() must always set this to 1 since the setup has to force a full update of all controls.
Signed-off-by: Hans Verkuil <[email protected]> --- drivers/media/video/v4l2-ctrls.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/drivers/media/video/v4l2-ctrls.c b/drivers/media/video/v4l2-ctrls.c index 8f81efc..64f56bb 100644 --- a/drivers/media/video/v4l2-ctrls.c +++ b/drivers/media/video/v4l2-ctrls.c @@ -1280,8 +1280,10 @@ int v4l2_ctrl_handler_setup(struct v4l2_ctrl_handler *hdl) if (ctrl->done) continue; - for (i = 0; i < master->ncontrols; i++) + for (i = 0; i < master->ncontrols; i++) { cur_to_new(master->cluster[i]); + master->cluster[i]->has_new = 1; + } /* Skip button controls and read-only controls. */ if (ctrl->type == V4L2_CTRL_TYPE_BUTTON || -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
