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[media] v4l2-mem2mem: add v4l2_m2m_create_bufs helper

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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>
This commit is contained in:
Philipp Zabel 2013-05-21 04:16:28 -03:00 committed by Mauro Carvalho Chehab
parent 57183467c0
commit 8b94ca61d7
2 changed files with 16 additions and 0 deletions
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14
drivers/media/v4l2-core/v4l2-mem2mem.c
View File

@ -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

2
include/media/v4l2-mem2mem.h
View File

@ -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);