Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux

[media] media/v4l2-ctrls: Always execute EXECUTE_ON_WRITE ctrls

Any control with V4L2_CTRL_FLAG_EXECUTE_ON_WRITE set should return
changed == true in cluster_changed.

This forces the value to be passed to the driver even if it has not
changed.

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

authored by

Ricardo Ribalda and committed by
Mauro Carvalho Chehab
45f014c5 ef66c0ca

+4
+4
drivers/media/v4l2-core/v4l2-ctrls.c
··· 1611 1611 1612 1612 if (ctrl == NULL) 1613 1613 continue; 1614 + 1615 + if (ctrl->flags & V4L2_CTRL_FLAG_EXECUTE_ON_WRITE) 1616 + changed = ctrl_changed = true; 1617 + 1614 1618 /* 1615 1619 * Set has_changed to false to avoid generating 1616 1620 * the event V4L2_EVENT_CTRL_CH_VALUE