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- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
- */
- #ifndef _SND_EVENT_H_
- #define _SND_EVENT_H_
- enum {
- SND_EVENT_DOWN = 0,
- SND_EVENT_UP,
- };
- struct snd_event_clients;
- struct snd_event_ops {
- int (*enable)(struct device *dev, void *data);
- void (*disable)(struct device *dev, void *data);
- };
- #ifdef CONFIG_SND_EVENT
- int snd_event_client_register(struct device *dev,
- const struct snd_event_ops *snd_ev_ops,
- void *data);
- int snd_event_client_deregister(struct device *dev);
- int snd_event_master_register(struct device *dev,
- const struct snd_event_ops *ops,
- struct snd_event_clients *clients,
- void *data);
- int snd_event_master_deregister(struct device *dev);
- int snd_event_notify(struct device *dev, unsigned int state);
- void snd_event_mstr_add_client(struct snd_event_clients **snd_clients,
- int (*compare)(struct device *, void *),
- void *data);
- static inline bool is_snd_event_fwk_enabled(void)
- {
- return 1;
- }
- #else
- static inline int snd_event_client_register(struct device *dev,
- const struct snd_event_ops *snd_ev_ops,
- void *data)
- {
- return 0;
- }
- static inline int snd_event_client_deregister(struct device *dev)
- {
- return 0;
- }
- static inline int snd_event_master_register(struct device *dev,
- const struct snd_event_ops *ops,
- struct snd_event_clients *clients,
- void *data)
- {
- return 0;
- }
- static inline int snd_event_master_deregister(struct device *dev)
- {
- return 0;
- }
- static inline int snd_event_notify(struct device *dev, unsigned int state)
- {
- return 0;
- }
- static inline void snd_event_mstr_add_client(struct snd_event_clients **snd_clients,
- int (*compare)(struct device *, void *),
- void *data)
- {
- return;
- }
- static inline bool is_snd_event_fwk_enabled(void)
- {
- return 0;
- }
- #endif /* CONFIG_SND_EVENT */
- #endif /* _SND_EVENT_H_ */
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