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[media] V4L: soc-camera: add helper functions for videobuf queue handling 

Add two helper inline functions to retrieve soc-camera device context
from videobuf and videobuf2 queue pointers.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Guennadi Liakhovetski 2011-02-07 18:09:30 -03:00 committed by Mauro Carvalho Chehab
parent 592c2aba26
commit 8eb4476d44
1 changed files with 10 additions and 0 deletions
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10
include/media/soc_camera.h
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@ -306,6 +306,16 @@ static inline struct video_device *soc_camera_i2c_to_vdev(struct i2c_client *cli
return icd->vdev;
}
static inline struct soc_camera_device *soc_camera_from_vb2q(struct vb2_queue *vq)
{
return container_of(vq, struct soc_camera_device, vb2_vidq);
}
static inline struct soc_camera_device *soc_camera_from_vbq(struct videobuf_queue *vq)
{
return container_of(vq, struct soc_camera_device, vb_vidq);
}
void soc_camera_lock(struct vb2_queue *vq);
void soc_camera_unlock(struct vb2_queue *vq);