[media] soc-camera: move common code to soc_camera.c

All soc-camera host drivers include a pointer to an soc-camera device in
their host private struct to check, that only one client is connected.
Move this common code to soc_camera.c.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h
index 31a4bfe42194..db23a8f0c26b 100644
--- a/include/media/soc_camera.h
+++ b/include/media/soc_camera.h
@@ -64,6 +64,7 @@ struct soc_camera_host {
         struct mutex host_lock;         /* Protect pipeline modifications */
         unsigned char nr;               /* Host number */
         u32 capabilities;
+        struct soc_camera_device *icd;  /* Currently attached client */
         void *priv;
         const char *drv_name;
         struct soc_camera_host_ops *ops;