linux-kernel - [PATCH] Media controller: Define media_entity_init() and media_entity

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Date:	Wed, 17 Aug 2011 16:04:36 +0530
From:	Deepthy Ravi <deepthy.ravi@...com>
To:	<mchehab@...radead.org>, <linux-media@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
CC:	<linux-omap@...r.kernel.org>, Vaibhav Hiremath <hvaibhav@...com>,
	Deepthy Ravi <deepthy.ravi@...com>
Subject: [PATCH] Media controller: Define media_entity_init() and media_entity_cleanup() conditionally

From: Vaibhav Hiremath <hvaibhav@...com>

Defines the two functions only when CONFIG_MEDIA_CONTROLLER
is enabled.

Signed-off-by: Vaibhav Hiremath <hvaibhav@...com>
Signed-off-by: Deepthy Ravi <deepthy.ravi@...com>
---
 include/media/media-entity.h |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/include/media/media-entity.h b/include/media/media-entity.h
index cd8bca6..c90916e 100644
--- a/include/media/media-entity.h
+++ b/include/media/media-entity.h
@@ -121,9 +121,18 @@ struct media_entity_graph {
 	int top;
 };
 
+#ifdef CONFIG_MEDIA_CONTROLLER
 int media_entity_init(struct media_entity *entity, u16 num_pads,
 		struct media_pad *pads, u16 extra_links);
 void media_entity_cleanup(struct media_entity *entity);
+#else
+static inline int media_entity_init(struct media_entity *entity, u16 num_pads,
+		struct media_pad *pads, u16 extra_links)
+{
+	return 0;
+}
+static inline void media_entity_cleanup(struct media_entity *entity) {}
+#endif
 
 int media_entity_create_link(struct media_entity *source, u16 source_pad,
 		struct media_entity *sink, u16 sink_pad, u32 flags);
-- 
1.7.0.4

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