From 402941a820682bd6f89f6705bbe643e6808facc5 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Mon, 30 Mar 2009 16:40:54 +0200 Subject: v4l2-common: add v4l2_i2c_new_probed_subdev_addr From: Hans Verkuil Add utility function to probe for a single address, rather than a list of addresses. Priority: normal Signed-off-by: Hans Verkuil --- linux/drivers/media/video/v4l2-common.c | 11 +++++++++++ linux/include/media/v4l2-common.h | 4 ++++ 2 files changed, 15 insertions(+) (limited to 'linux') diff --git a/linux/drivers/media/video/v4l2-common.c b/linux/drivers/media/video/v4l2-common.c index d6f41f8af..d75d89c88 100644 --- a/linux/drivers/media/video/v4l2-common.c +++ b/linux/drivers/media/video/v4l2-common.c @@ -941,6 +941,17 @@ error: } 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/linux/include/media/v4l2-common.h b/linux/include/media/v4l2-common.h index 665414d09..4d8ce3e42 100644 --- a/linux/include/media/v4l2-common.h +++ b/linux/include/media/v4l2-common.h @@ -154,6 +154,10 @@ struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct v4l2_device *v4l2_dev, 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); -- cgit v1.2.3