linux/drivers/media/pci/cx18/cx18-alsa-main.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  ALSA interface to cx18 PCM capture streams
 *
 *  Copyright (C) 2009  Andy Walls <[email protected]>
 *  Copyright (C) 2009  Devin Heitmueller <[email protected]>
 *
 *  Portions of this work were sponsored by ONELAN Limited.
 */

#include <linux/init.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/spinlock.h>

#include <media/v4l2-device.h>

#include <sound/core.h>
#include <sound/initval.h>

#include "cx18-driver.h"
#include "cx18-version.h"
#include "cx18-alsa.h"
#include "cx18-alsa-pcm.h"

int cx18_alsa_debug;

#define CX18_DEBUG_ALSA_INFO(fmt, arg...) …

module_param_named(debug, cx18_alsa_debug, int, 0644);
MODULE_PARM_DESC(…) …;

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

MODULE_VERSION(…);

static inline
struct snd_cx18_card *to_snd_cx18_card(struct v4l2_device *v4l2_dev)
{ … }

static void snd_cx18_card_free(struct snd_cx18_card *cxsc)
{ … }

static void snd_cx18_card_private_free(struct snd_card *sc)
{ … }

static int snd_cx18_card_create(struct v4l2_device *v4l2_dev,
				       struct snd_card *sc,
				       struct snd_cx18_card **cxsc)
{ … }

static int snd_cx18_card_set_names(struct snd_cx18_card *cxsc)
{ … }

static int snd_cx18_init(struct v4l2_device *v4l2_dev)
{ … }

static int cx18_alsa_load(struct cx18 *cx)
{ … }

static int __init cx18_alsa_init(void)
{ … }

static void __exit snd_cx18_exit(struct snd_cx18_card *cxsc)
{ … }

static int __exit cx18_alsa_exit_callback(struct device *dev, void *data)
{ … }

static void __exit cx18_alsa_exit(void)
{ … }

module_init(…) …;
module_exit(cx18_alsa_exit);