文件
android_kernel_samsung_sm86…/include/dsp/msm-audio-event-notify.h
Vidyakumar Athota f1cba4d4b2 dsp: add audio event notifier support
Add support for audio event notifier framework to
send/receive events across audio drivers.

CRs-Fixed: 2244131
Change-Id: I1e36703a91625cd52333596d66dc21a0e8876738
Signed-off-by: Vidyakumar Athota <vathota@codeaurora.org>
Signed-off-by: Vignesh Kulothungan <vigneshk@codeaurora.org>
2018-06-01 16:09:22 -07:00

45 行
1.2 KiB
C

/* 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