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From: Philipp Zabel
To: linux-media@vger.kernel.org
Cc: Mauro Carvalho Chehab ,
Javier Martin ,
Pawel Osciak , John Sheu ,
Philipp Zabel
Subject: [PATCH 1/2] [media] v4l2-mem2mem: add v4l2_m2m_create_bufs helper
Date: Tue, 21 May 2013 10:16:28 +0200
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Signed-off-by: Philipp Zabel
---
drivers/media/v4l2-core/v4l2-mem2mem.c | 14 ++++++++++++++
include/media/v4l2-mem2mem.h | 2 ++
2 files changed, 16 insertions(+)
diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-core/v4l2-mem2mem.c
index 66f599f..357efa4 100644
--- a/drivers/media/v4l2-core/v4l2-mem2mem.c
+++ b/drivers/media/v4l2-core/v4l2-mem2mem.c
@@ -372,6 +372,20 @@ int v4l2_m2m_dqbuf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
EXPORT_SYMBOL_GPL(v4l2_m2m_dqbuf);
/**
+ * v4l2_m2m_create_bufs() - create a source or destination buffer, depending
+ * on the type
+ */
+int v4l2_m2m_create_bufs(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
+ struct v4l2_create_buffers *create)
+{
+ struct vb2_queue *vq;
+
+ vq = v4l2_m2m_get_vq(m2m_ctx, create->format.type);
+ return vb2_create_bufs(vq, create);
+}
+EXPORT_SYMBOL_GPL(v4l2_m2m_create_bufs);
+
+/**
* v4l2_m2m_expbuf() - export a source or destination buffer, depending on
* the type
*/
diff --git a/include/media/v4l2-mem2mem.h b/include/media/v4l2-mem2mem.h
index d3eef01..0f4555b 100644
--- a/include/media/v4l2-mem2mem.h
+++ b/include/media/v4l2-mem2mem.h
@@ -110,6 +110,8 @@ int v4l2_m2m_qbuf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
struct v4l2_buffer *buf);
int v4l2_m2m_dqbuf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
struct v4l2_buffer *buf);
+int v4l2_m2m_create_bufs(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
+ struct v4l2_create_buffers *create);
int v4l2_m2m_expbuf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
struct v4l2_exportbuffer *eb);