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Subject: media: v4l2-ctrl: Add new helper v4l2_ctrl_ptr_create
Author: Ricardo Ribalda Delgado <riba...@kernel.org>
Date: Mon Oct 7 12:06:35 2019 -0300
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-ci...@xs4all.nl>
Signed-off-by: Ricardo Ribalda Delgado <riba...@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+sams...@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 c9ca867ef32b..26205ba3a0a0 100644
--- a/include/media/v4l2-ctrls.h
+++ b/include/media/v4l2-ctrls.h
@@ -74,6 +74,18 @@ union v4l2_ctrl_ptr {
};
/**
+ * 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.
*
* @g_volatile_ctrl: Get a new value for this control. Generally only relevant
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