Files
kernel_xiaomi_sm8250/techpack/audio/dsp/audio_ssr.c
Michael Bestas f4f695d298 Add 'techpack/audio/' from tag 'LA.UM.9.12.r1-14900-SMxx50.QSSI13.0'
git-subtree-dir: techpack/audio
git-subtree-mainline: c4ac9f41f5
git-subtree-split: d4a1fdac7b
Change-Id: I9f1af2abd41942d29296c963aac75ed023624164
2022-11-20 19:43:50 +02:00

53 lines
1.2 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2016, The Linux Foundation. All rights reserved.
*/
#include <linux/module.h>
#include <soc/qcom/subsystem_restart.h>
#include <soc/qcom/subsystem_notif.h>
#include "audio_ssr.h"
static char *audio_ssr_domains[] = {
"adsp",
"modem"
};
/**
* audio_ssr_register -
* register to SSR framework
*
* @domain_id: Domain ID to register with
* @nb: notifier block
*
* Returns handle pointer on success or error PTR on failure
*/
void *audio_ssr_register(int domain_id, struct notifier_block *nb)
{
if ((domain_id < 0) ||
(domain_id >= AUDIO_SSR_DOMAIN_MAX)) {
pr_err("%s: Invalid service ID %d\n", __func__, domain_id);
return ERR_PTR(-EINVAL);
}
return subsys_notif_register_notifier(
audio_ssr_domains[domain_id], nb);
}
EXPORT_SYMBOL(audio_ssr_register);
/**
* audio_ssr_deregister -
* Deregister handle from SSR framework
*
* @handle: SSR handle
* @nb: notifier block
*
* Returns 0 on success or error on failure
*/
int audio_ssr_deregister(void *handle, struct notifier_block *nb)
{
return subsys_notif_unregister_notifier(handle, nb);
}
EXPORT_SYMBOL(audio_ssr_deregister);