linux/drivers/media/i2c/cs3308.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Cirrus Logic cs3308 8-Channel Analog Volume Control
 *
 * Copyright (C) 2010 Devin Heitmueller <[email protected]>
 * Copyright (C) 2012 Steven Toth <[email protected]>
 *
 * Derived from cs5345.c Copyright (C) 2007 Hans Verkuil
 */


#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/i2c.h>
#include <linux/slab.h>
#include <linux/videodev2.h>
#include <media/v4l2-device.h>

MODULE_DESCRIPTION(…) …;
MODULE_AUTHOR(…) …;
MODULE_LICENSE(…) …;

static inline int cs3308_write(struct v4l2_subdev *sd, u8 reg, u8 value)
{ … }

static inline int cs3308_read(struct v4l2_subdev *sd, u8 reg)
{ … }

#ifdef CONFIG_VIDEO_ADV_DEBUG
static int cs3308_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
{ … }

static int cs3308_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
{ … }
#endif

/* ----------------------------------------------------------------------- */

static const struct v4l2_subdev_core_ops cs3308_core_ops = …;

static const struct v4l2_subdev_ops cs3308_ops = …;

/* ----------------------------------------------------------------------- */

static int cs3308_probe(struct i2c_client *client)
{ … }

/* ----------------------------------------------------------------------- */

static void cs3308_remove(struct i2c_client *client)
{ … }

/* ----------------------------------------------------------------------- */

static const struct i2c_device_id cs3308_id[] = …;
MODULE_DEVICE_TABLE(i2c, cs3308_id);

static struct i2c_driver cs3308_driver = …;

module_i2c_driver(…) …;