V4L/DVB (11156): pvrusb2: Changes to further isolate old i2c layer

This introduces some additional isolation in the pvrusb2 from the old
i2c layer, a step along the way to separate the driver from that layer
and to make it easier to introduce the common v4l2-subdev framework as
the eventual replacement.

Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h b/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h
index 0979840..b3cb0bb 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h
@@ -408,6 +408,8 @@
 unsigned long pvr2_hdw_get_cur_freq(struct pvr2_hdw *);
 void pvr2_hdw_set_decoder(struct pvr2_hdw *,struct pvr2_decoder_ctrl *);
 
+void pvr2_hdw_status_poll(struct pvr2_hdw *);
+
 #endif /* __PVRUSB2_HDW_INTERNAL_H */
 
 /*