linux/sound/pci/hda/hda_hwdep.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * HWDEP Interface for HD-audio codec
 *
 * Copyright (c) 2007 Takashi Iwai <[email protected]>
 */

#include <linux/init.h>
#include <linux/slab.h>
#include <linux/compat.h>
#include <linux/nospec.h>
#include <sound/core.h>
#include <sound/hda_codec.h>
#include "hda_local.h"
#include <sound/hda_hwdep.h>
#include <sound/minors.h>

/*
 * write/read an out-of-bound verb
 */
static int verb_write_ioctl(struct hda_codec *codec,
			    struct hda_verb_ioctl __user *arg)
{ … }

static int get_wcap_ioctl(struct hda_codec *codec,
			  struct hda_verb_ioctl __user *arg)
{ … }


/*
 */
static int hda_hwdep_ioctl(struct snd_hwdep *hw, struct file *file,
			   unsigned int cmd, unsigned long arg)
{ … }

#ifdef CONFIG_COMPAT
static int hda_hwdep_ioctl_compat(struct snd_hwdep *hw, struct file *file,
				  unsigned int cmd, unsigned long arg)
{ … }
#endif

static int hda_hwdep_open(struct snd_hwdep *hw, struct file *file)
{ … }

int snd_hda_create_hwdep(struct hda_codec *codec)
{ … }