linux/sound/firewire/dice/dice-hwdep.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * dice_hwdep.c - a part of driver for DICE based devices
 *
 * Copyright (c) Clemens Ladisch <[email protected]>
 * Copyright (c) 2014 Takashi Sakamoto <[email protected]>
 */

#include "dice.h"

static long hwdep_read(struct snd_hwdep *hwdep, char __user *buf,
			    long count, loff_t *offset)
{ … }

static __poll_t hwdep_poll(struct snd_hwdep *hwdep, struct file *file,
			       poll_table *wait)
{ … }

static int hwdep_get_info(struct snd_dice *dice, void __user *arg)
{ … }

static int hwdep_lock(struct snd_dice *dice)
{ … }

static int hwdep_unlock(struct snd_dice *dice)
{ … }

static int hwdep_release(struct snd_hwdep *hwdep, struct file *file)
{ … }

static int hwdep_ioctl(struct snd_hwdep *hwdep, struct file *file,
		       unsigned int cmd, unsigned long arg)
{ … }

#ifdef CONFIG_COMPAT
static int hwdep_compat_ioctl(struct snd_hwdep *hwdep, struct file *file,
			      unsigned int cmd, unsigned long arg)
{ … }
#else
#define hwdep_compat_ioctl …
#endif

int snd_dice_create_hwdep(struct snd_dice *dice)
{ … }