b5528d39f2
Add support for blocking call events in event notifier to support functions which require waiting for events. Change-Id: I255c19bc956506ea5076bb5fb1f09327141611a6 Signed-off-by: Ramprasad Katkam <katkam@codeaurora.org>
69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
/* Copyright (c) 2018, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef __MSM_AUDIO_EVENT_NOTIFY_H_
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#define __MSM_AUDIO_EVENT_NOTIFY_H_
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#include <linux/notifier.h>
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#if IS_ENABLED(CONFIG_SND_SOC_MSM_QDSP6V2_INTF)
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int msm_aud_evt_register_client(struct notifier_block *nb);
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int msm_aud_evt_unregister_client(struct notifier_block *nb);
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int msm_aud_evt_notifier_call_chain(unsigned long val, void *v);
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int msm_aud_evt_blocking_register_client(struct notifier_block *nb);
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int msm_aud_evt_blocking_unregister_client(struct notifier_block *nb);
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int msm_aud_evt_blocking_notifier_call_chain(unsigned long val, void *v);
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#else
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static inline int msm_aud_evt_register_client(struct notifier_block *nb)
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{
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return -ENOSYS;
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}
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static inline int msm_aud_evt_unregister_client(struct notifier_block *nb)
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{
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return -ENOSYS;
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}
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static inline int msm_aud_evt_notifier_call_chain(unsigned long val, void *v)
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{
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return -ENOSYS;
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}
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static inline int msm_aud_evt_blocking_register_client(
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struct notifier_block *nb)
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{
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return -ENOSYS;
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}
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static inline int msm_aud_evt_blocking_unregister_client(
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struct notifier_block *nb)
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{
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return -ENOSYS;
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}
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static inline int msm_aud_evt_blocking_notifier_call_chain(
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unsigned long val, void *v)
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{
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return -ENOSYS;
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}
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#endif
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enum {
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MSM_AUD_DC_EVENT = 1,
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SWR_WAKE_IRQ_REGISTER,
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SWR_WAKE_IRQ_DEREGISTER,
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SWR_WAKE_IRQ_EVENT,
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};
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#endif
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