From 868f985c2fb85b5f32785bb55a349d180a30f3d3 Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Mon, 30 Mar 2009 11:40:54 -0300
Subject: [PATCH] V4L/DVB (11374): v4l2-common: add
v4l2_i2c_new_probed_subdev_addr
Add utility function to probe for a single address, rather than a list
of addresses.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
drivers/media/video/v4l2-common.c | 11 +++++++++++
include/media/v4l2-common.h | 4 ++++
2 files changed, 15 insertions(+)
diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c
index f23a77473aaf..270833b1b38f 100644
--- a/drivers/media/video/v4l2-common.c
+++ b/drivers/media/video/v4l2-common.c
@@ -864,6 +864,17 @@ struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct i2c_adapter *adapter,
}
EXPORT_SYMBOL_GPL(v4l2_i2c_new_probed_subdev);
+struct v4l2_subdev *v4l2_i2c_new_probed_subdev_addr(struct v4l2_device *v4l2_dev,
+ struct i2c_adapter *adapter,
+ const char *module_name, const char *client_type, u8 addr)
+{
+ unsigned short addrs[2] = { addr, I2C_CLIENT_END };
+
+ return v4l2_i2c_new_probed_subdev(v4l2_dev, adapter,
+ module_name, client_type, addrs);
+}
+EXPORT_SYMBOL_GPL(v4l2_i2c_new_probed_subdev_addr);
+
/* Return i2c client address of v4l2_subdev. */
unsigned short v4l2_i2c_subdev_addr(struct v4l2_subdev *sd)
{
diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h
index 8ec50fea9e0d..1613a0ab8b04 100644
--- a/include/media/v4l2-common.h
+++ b/include/media/v4l2-common.h
@@ -147,6 +147,10 @@ struct v4l2_subdev *v4l2_i2c_new_subdev(struct i2c_adapter *adapter,
struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct i2c_adapter *adapter,
const char *module_name, const char *client_type,
const unsigned short *addrs);
+/* Like v4l2_i2c_new_probed_subdev, except probe for a single address. */
+struct v4l2_subdev *v4l2_i2c_new_probed_subdev_addr(struct v4l2_device *v4l2_dev,
+ struct i2c_adapter *adapter,
+ const char *module_name, const char *client_type, u8 addr);
/* Initialize an v4l2_subdev with data from an i2c_client struct */
void v4l2_i2c_subdev_init(struct v4l2_subdev *sd, struct i2c_client *client,
const struct v4l2_subdev_ops *ops);
--
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