43bbb87652
Update file header to GPL-2.0-only. Change-Id: Ic1542a3209a5fe73c937a5b36491ede4a451936d Signed-off-by: Meng Wang <mengw@codeaurora.org>
80 lines
1.9 KiB
C
80 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2018, The Linux Foundation. All rights reserved.
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*/
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#ifndef _SND_EVENT_H_
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#define _SND_EVENT_H_
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enum {
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SND_EVENT_DOWN = 0,
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SND_EVENT_UP,
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};
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struct snd_event_clients;
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struct snd_event_ops {
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int (*enable)(struct device *dev, void *data);
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void (*disable)(struct device *dev, void *data);
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};
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#ifdef CONFIG_SND_EVENT
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int snd_event_client_register(struct device *dev,
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const struct snd_event_ops *snd_ev_ops,
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void *data);
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int snd_event_client_deregister(struct device *dev);
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int snd_event_master_register(struct device *dev,
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const struct snd_event_ops *ops,
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struct snd_event_clients *clients,
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void *data);
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int snd_event_master_deregister(struct device *dev);
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int snd_event_notify(struct device *dev, unsigned int state);
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void snd_event_mstr_add_client(struct snd_event_clients **snd_clients,
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int (*compare)(struct device *, void *),
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void *data);
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inline bool is_snd_event_fwk_enabled(void)
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{
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return 1;
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}
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#else
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static inline int snd_event_client_register(struct device *dev,
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const struct snd_event_ops *snd_ev_ops,
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void *data)
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{
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return 0;
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}
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static inline int snd_event_client_deregister(struct device *dev)
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{
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return 0;
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}
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static inline int snd_event_master_register(struct device *dev,
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const struct snd_event_ops *ops,
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struct snd_event_clients *clients,
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void *data)
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{
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return 0;
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}
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static inline int snd_event_master_deregister(struct device *dev)
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{
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return 0;
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}
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static inline int snd_event_notify(struct device *dev, unsigned int state)
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{
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return 0;
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}
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static inline void snd_event_mstr_add_client(struct snd_event_clients **snd_clients,
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int (*compare)(struct device *, void *),
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void *data)
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{
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return;
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}
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static inline bool is_snd_event_fwk_enabled(void)
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{
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return 0;
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}
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#endif /* CONFIG_SND_EVENT */
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#endif /* _SND_EVENT_H_ */
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