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/* Copyright (c) 2016, 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.
*/
#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);
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