From 28f59339f72d191e24e0f97f156a481dd5c3db65 Mon Sep 17 00:00:00 2001
From: Sascha Hauer <s.hauer@pengutronix.de>
Date: Fri, 13 Mar 2009 06:08:20 -0300
Subject: V4L/DVB (11030): soc-camera: add board hook to specify the buswidth
for camera sensors
Camera sensors have a native bus width say support, but on some
boards not all sensor data lines are connected to the image
interface and thus support a different bus width than the sensors
native one. Some boards even have a bus driver which dynamically
switches between different bus widths with a GPIO.
This patch adds a hook which board code can use to support different
bus widths.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
include/media/soc_camera.h | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h
index 013c81875d76..b44fa0952ad9 100644
--- a/include/media/soc_camera.h
+++ b/include/media/soc_camera.h
@@ -102,6 +102,13 @@ struct soc_camera_link {
/* Optional callbacks to power on or off and reset the sensor */
int (*power)(struct device *, int);
int (*reset)(struct device *);
+ /*
+ * some platforms may support different data widths than the sensors
+ * native ones due to different data line routing. Let the board code
+ * overwrite the width flags.
+ */
+ int (*set_bus_param)(struct soc_camera_link *, unsigned long flags);
+ unsigned long (*query_bus_param)(struct soc_camera_link *);
};
static inline struct soc_camera_device *to_soc_camera_dev(struct device *dev)
--
cgit v1.2.3