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Subject[PATCH v9 7/8] media: v4l2-ctrl: Add new helper v4l2_ctrl_ptr_create
Date
This helper function simplifies the code by not needing a union
v4l2_ctrl_ptr and an assignment every time we need to use
a ctrl_ptr.

Suggested-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Ricardo Ribalda Delgado <ribalda@kernel.org>
---
include/media/v4l2-ctrls.h | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
index c42f164e2c9e..51d74fa7c7e2 100644
--- a/include/media/v4l2-ctrls.h
+++ b/include/media/v4l2-ctrls.h
@@ -73,6 +73,18 @@ union v4l2_ctrl_ptr {
void *p;
};

+/**
+ * v4l2_ctrl_ptr_create() - Helper function to return a v4l2_ctrl_ptr from a
+ * void pointer
+ * @ptr: The void pointer
+ */
+static inline union v4l2_ctrl_ptr v4l2_ctrl_ptr_create(void *ptr)
+{
+ union v4l2_ctrl_ptr p = {.p = ptr};
+
+ return p;
+}
+
/**
* struct v4l2_ctrl_ops - The control operations that the driver has to provide.
*
--
2.23.0
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