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 <hverkuil@xxxxxxxxx>
---
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
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