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>
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@ -864,6 +864,17 @@ error:
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}
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EXPORT_SYMBOL_GPL(v4l2_i2c_new_probed_subdev);
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struct v4l2_subdev *v4l2_i2c_new_probed_subdev_addr(struct v4l2_device *v4l2_dev,
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struct i2c_adapter *adapter,
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const char *module_name, const char *client_type, u8 addr)
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{
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unsigned short addrs[2] = { addr, I2C_CLIENT_END };
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return v4l2_i2c_new_probed_subdev(v4l2_dev, adapter,
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module_name, client_type, addrs);
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}
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EXPORT_SYMBOL_GPL(v4l2_i2c_new_probed_subdev_addr);
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/* Return i2c client address of v4l2_subdev. */
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unsigned short v4l2_i2c_subdev_addr(struct v4l2_subdev *sd)
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{
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@ -147,6 +147,10 @@ struct v4l2_subdev *v4l2_i2c_new_subdev(struct i2c_adapter *adapter,
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struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct i2c_adapter *adapter,
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const char *module_name, const char *client_type,
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const unsigned short *addrs);
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/* Like v4l2_i2c_new_probed_subdev, except probe for a single address. */
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struct v4l2_subdev *v4l2_i2c_new_probed_subdev_addr(struct v4l2_device *v4l2_dev,
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struct i2c_adapter *adapter,
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const char *module_name, const char *client_type, u8 addr);
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/* Initialize an v4l2_subdev with data from an i2c_client struct */
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void v4l2_i2c_subdev_init(struct v4l2_subdev *sd, struct i2c_client *client,
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const struct v4l2_subdev_ops *ops);
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