linux/drivers/media/v4l2-core/v4l2-i2c.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * v4l2-i2c - I2C helpers for Video4Linux2
 */

#include <linux/i2c.h>
#include <linux/module.h>
#include <media/v4l2-common.h>
#include <media/v4l2-device.h>

void v4l2_i2c_subdev_unregister(struct v4l2_subdev *sd)
{ … }

void v4l2_i2c_subdev_set_name(struct v4l2_subdev *sd,
			      struct i2c_client *client,
			      const char *devname, const char *postfix)
{ … }
EXPORT_SYMBOL_GPL(…);

void v4l2_i2c_subdev_init(struct v4l2_subdev *sd, struct i2c_client *client,
			  const struct v4l2_subdev_ops *ops)
{ … }
EXPORT_SYMBOL_GPL(…);

/* Load an i2c sub-device. */
struct v4l2_subdev
*v4l2_i2c_new_subdev_board(struct v4l2_device *v4l2_dev,
			   struct i2c_adapter *adapter,
			   struct i2c_board_info *info,
			   const unsigned short *probe_addrs)
{ … }
EXPORT_SYMBOL_GPL(…);

struct v4l2_subdev *v4l2_i2c_new_subdev(struct v4l2_device *v4l2_dev,
					struct i2c_adapter *adapter,
					const char *client_type,
					u8 addr,
					const unsigned short *probe_addrs)
{ … }
EXPORT_SYMBOL_GPL(…);

/* Return i2c client address of v4l2_subdev. */
unsigned short v4l2_i2c_subdev_addr(struct v4l2_subdev *sd)
{ … }
EXPORT_SYMBOL_GPL(…);

/*
 * Return a list of I2C tuner addresses to probe. Use only if the tuner
 * addresses are unknown.
 */
const unsigned short *v4l2_i2c_tuner_addrs(enum v4l2_i2c_tuner_type type)
{ … }
EXPORT_SYMBOL_GPL(…);