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authorRicardo Ribalda Delgado <ribalda@kernel.org>2019-10-07 18:06:35 +0300
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2019-10-10 17:38:21 +0300
commit2e8db63e1f64b6085cc84a03484213af565c81fb (patch)
tree96dbf0e15217df4122325f5c738468255c44857e /include/media
parent3f0a700624d0a4014998b2ed5c1f964aa1b784a6 (diff)
downloadlinux-2e8db63e1f64b6085cc84a03484213af565c81fb.tar.xz
media: v4l2-ctrl: Add new helper v4l2_ctrl_ptr_create
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-cisco@xs4all.nl> Signed-off-by: Ricardo Ribalda Delgado <ribalda@kernel.org> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'include/media')
-rw-r--r--include/media/v4l2-ctrls.h12
1 files changed, 12 insertions, 0 deletions
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