V4L/DVB (10497): saa7146: i2c adapdata now points to v4l2_device.

Prepare for converting to v4l2_subdev.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/include/media/saa7146.h b/include/media/saa7146.h
index b9dfeeb26fae..fff4235adae5 100644
--- a/include/media/saa7146.h
+++ b/include/media/saa7146.h
@@ -148,6 +148,11 @@ struct saa7146_dev
         struct saa7146_dma              d_rps1;
 };
 
+static inline struct saa7146_dev *to_saa7146_dev(struct v4l2_device *v4l2_dev)
+{
+        return container_of(v4l2_dev, struct saa7146_dev, v4l2_dev);
+}
+
 /* from saa7146_i2c.c */
 int saa7146_i2c_adapter_prepare(struct saa7146_dev *dev, struct i2c_adapter *i2c_adapter, u32 bitrate);