This pointer is used to point to data that is constant. Thanks to this
we can avoid a lot of casting and we make more clear when the data is
constant or variable.
Suggested-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Signed-off-by: Ricardo Ribalda Delgado <ribalda@xxxxxxxxxx>
---
include/media/v4l2-ctrls.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
index 78a97b10c89e..7db9e719a583 100644
--- a/include/media/v4l2-ctrls.h
+++ b/include/media/v4l2-ctrls.h
@@ -56,6 +56,7 @@ struct poll_table_struct;
* @p_hevc_slice_params: Pointer to an HEVC slice parameters structure.
* @p_area: Pointer to an area.
* @p: Pointer to a compound value.
+ * @p_const: Pointer to a constant compound value.
*/
union v4l2_ctrl_ptr {
s32 *p_s32;
@@ -78,6 +79,7 @@ union v4l2_ctrl_ptr {
struct v4l2_ctrl_hevc_slice_params *p_hevc_slice_params;
struct v4l2_area *p_area;
void *p;
+ const void *p_const;
};
/**
--
2.24.0.rc1
