[PATCH v2] media: v4l2-ctrl: Add p_def to v4l2_ctrl_config

[Ricardo Ribalda Delgado]

This allows setting the default value on compound controls created via
v4l2_ctrl_new_custom.

Signed-off-by: Ricardo Ribalda Delgado <ribalda@xxxxxxxxxx>
---
 drivers/media/v4l2-core/v4l2-ctrls.c | 3 ++-
 include/media/v4l2-ctrls.h           | 2 ++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
index bf50d37ef6c1..939aa110daa0 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -2583,7 +2583,8 @@ struct v4l2_ctrl *v4l2_ctrl_new_custom(struct v4l2_ctrl_handler *hdl,
 			type, min, max,
 			is_menu ? cfg->menu_skip_mask : step, def,
 			cfg->dims, cfg->elem_size,
-			flags, qmenu, qmenu_int, ptr_null, priv);
+			flags, qmenu, qmenu_int,
+			v4l2_ctrl_ptr_create((void *)cfg->p_def), priv);
 	if (ctrl)
 		ctrl->is_private = cfg->is_private;
 	return ctrl;
diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
index 26205ba3a0a0..d08d19a4ae34 100644
--- a/include/media/v4l2-ctrls.h
+++ b/include/media/v4l2-ctrls.h
@@ -375,6 +375,7 @@ struct v4l2_ctrl_handler {
  * @max:	The control's maximum value.
  * @step:	The control's step value for non-menu controls.
  * @def:	The control's default value.
+ * @p_def:	The control's default value for compound controls.
  * @dims:	The size of each dimension.
  * @elem_size:	The size in bytes of the control.
  * @flags:	The control's flags.
@@ -403,6 +404,7 @@ struct v4l2_ctrl_config {
 	s64 max;
 	u64 step;
 	s64 def;
+	const void *p_def;
 	u32 dims[V4L2_CTRL_MAX_DIMS];
 	u32 elem_size;
 	u32 flags;
-- 
2.23.0