android_kernel_samsung_sm8650-modules/include/dsp/msm-audio-event-notify.h

/* Copyright (c) 2018, The Linux Foundation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 */

#ifndef __MSM_AUDIO_EVENT_NOTIFY_H_
#define __MSM_AUDIO_EVENT_NOTIFY_H_

#include <linux/notifier.h>

#if IS_ENABLED(CONFIG_SND_SOC_MSM_QDSP6V2_INTF)
int msm_aud_evt_register_client(struct notifier_block *nb);
int msm_aud_evt_unregister_client(struct notifier_block *nb);
int msm_aud_evt_notifier_call_chain(unsigned long val, void *v);
#else
static inline int msm_aud_evt_register_client(struct notifier_block *nb)
{
	return -ENOSYS;
}

static inline int msm_aud_evt_unregister_client(struct notifier_block *nb)
{
	return -ENOSYS;
}

static inline int msm_aud_evt_notifier_call_chain(unsigned long val, void *v)
{
	return -ENOSYS;
}
#endif

enum {
	MSM_AUD_DC_EVENT = 1,
};

#endif