[media] v4l2-mem2mem: add v4l2_m2m_create_bufs helper
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-core/v4l2-mem2mem.c
index 9ac39b5..a756170 100644
--- a/drivers/media/v4l2-core/v4l2-mem2mem.c
+++ b/drivers/media/v4l2-core/v4l2-mem2mem.c
@@ -372,6 +372,20 @@
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 @@
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);