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Commit 8b94ca61 authored by Philipp Zabel's avatar Philipp Zabel Committed by Mauro Carvalho Chehab
Browse files

[media] v4l2-mem2mem: add v4l2_m2m_create_bufs helper 



Signed-off-by: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: default avatarKamil Debski <k.debski@samsung.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 57183467

drivers/media/v4l2-core/v4l2-mem2mem.c

+14 −0
Original line number Diff line number Diff line
@@ -371,6 +371,20 @@ 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

include/media/v4l2-mem2mem.h

+2 −0
Original line number Diff line number Diff line
@@ -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);