[PATCH 4/5] media/v4l2-ctrls: Always execute EXECUTE_ON_WRITE ctrls

[Ricardo Ribalda Delgado]

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@xxxxxxxxx>
---
 drivers/media/v4l2-core/v4l2-ctrls.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
index da0ffd3..8f96478 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -1611,6 +1611,10 @@ static int cluster_changed(struct v4l2_ctrl *master)
 
 		if (ctrl == NULL)
 			continue;
+
+		if (ctrl->flags & V4L2_CTRL_FLAG_EXECUTE_ON_WRITE)
+			changed = true;
+
                 /*
                  * Set has_changed to false to avoid generating
                  * the event V4L2_EVENT_CTRL_CH_VALUE
-- 
2.1.4

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