688a867091
Update file header to GPL-2.0-only. Change-Id: If16bf92f951c6d7521f56a3e9b91da2ca2ccf6f8 Signed-off-by: Meng Wang <mengw@codeaurora.org>
53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2016, The Linux Foundation. All rights reserved.
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*/
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#include <linux/module.h>
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#include <soc/qcom/subsystem_restart.h>
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#include <soc/qcom/subsystem_notif.h>
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#include "audio_ssr.h"
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static char *audio_ssr_domains[] = {
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"adsp",
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"modem"
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};
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/**
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* audio_ssr_register -
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* register to SSR framework
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*
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* @domain_id: Domain ID to register with
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* @nb: notifier block
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*
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* Returns handle pointer on success or error PTR on failure
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*/
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void *audio_ssr_register(int domain_id, struct notifier_block *nb)
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{
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if ((domain_id < 0) ||
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(domain_id >= AUDIO_SSR_DOMAIN_MAX)) {
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pr_err("%s: Invalid service ID %d\n", __func__, domain_id);
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return ERR_PTR(-EINVAL);
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}
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return subsys_notif_register_notifier(
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audio_ssr_domains[domain_id], nb);
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}
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EXPORT_SYMBOL(audio_ssr_register);
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/**
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* audio_ssr_deregister -
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* Deregister handle from SSR framework
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*
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* @handle: SSR handle
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* @nb: notifier block
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*
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* Returns 0 on success or error on failure
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*/
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int audio_ssr_deregister(void *handle, struct notifier_block *nb)
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{
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return subsys_notif_unregister_notifier(handle, nb);
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}
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EXPORT_SYMBOL(audio_ssr_deregister);
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