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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135/* SPDX-License-Identifier: GPL-2.0-only *//* * External Connector (extcon) framework * - linux/include/linux/extcon-provider.h for extcon provider device driver. * * Copyright (C) 2017 Samsung Electronics * Author: Chanwoo Choi <cw00.choi@samsung.com> */
#ifndef __LINUX_EXTCON_PROVIDER_H__#define __LINUX_EXTCON_PROVIDER_H__
#include <linux/extcon.h>
struct extcon_dev;
#if IS_ENABLED(CONFIG_EXTCON)
/* Following APIs register/unregister the extcon device. */int extcon_dev_register(struct extcon_dev *edev);void extcon_dev_unregister(struct extcon_dev *edev);int devm_extcon_dev_register(struct device *dev, struct extcon_dev *edev);void devm_extcon_dev_unregister(struct device *dev, struct extcon_dev *edev);
/* Following APIs allocate/free the memory of the extcon device. */struct extcon_dev *extcon_dev_allocate(const unsigned int *cable);void extcon_dev_free(struct extcon_dev *edev);struct extcon_dev *devm_extcon_dev_allocate(struct device *dev, const unsigned int *cable);void devm_extcon_dev_free(struct device *dev, struct extcon_dev *edev);
/* Synchronize the state and property value for each external connector. */int extcon_sync(struct extcon_dev *edev, unsigned int id);
/* * Following APIs set the connected state of each external connector. * The 'id' argument indicates the defined external connector. */int extcon_set_state(struct extcon_dev *edev, unsigned int id, bool state);int extcon_set_state_sync(struct extcon_dev *edev, unsigned int id, bool state);
/* * Following APIs set the property of each external connector. * The 'id' argument indicates the defined external connector * and the 'prop' indicates the extcon property. * * And extcon_set_property_capability() set the capability of the property * for each external connector. They are used to set the capability of the * property of each external connector based on the id and property. */int extcon_set_property(struct extcon_dev *edev, unsigned int id, unsigned int prop, union extcon_property_value prop_val);int extcon_set_property_sync(struct extcon_dev *edev, unsigned int id, unsigned int prop, union extcon_property_value prop_val);int extcon_set_property_capability(struct extcon_dev *edev, unsigned int id, unsigned int prop);
#else /* CONFIG_EXTCON */static inline int extcon_dev_register(struct extcon_dev *edev){ return 0;}
static inline void extcon_dev_unregister(struct extcon_dev *edev) { }
static inline int devm_extcon_dev_register(struct device *dev, struct extcon_dev *edev){ return -EINVAL;}
static inline void devm_extcon_dev_unregister(struct device *dev, struct extcon_dev *edev) { }
static inline struct extcon_dev *extcon_dev_allocate(const unsigned int *cable){ return ERR_PTR(-ENOSYS);}
static inline void extcon_dev_free(struct extcon_dev *edev) { }
static inline struct extcon_dev *devm_extcon_dev_allocate(struct device *dev, const unsigned int *cable){ return ERR_PTR(-ENOSYS);}
static inline void devm_extcon_dev_free(struct extcon_dev *edev) { }
static inline int extcon_set_state(struct extcon_dev *edev, unsigned int id, bool state){ return 0;}
static inline int extcon_set_state_sync(struct extcon_dev *edev, unsigned int id, bool state){ return 0;}
static inline int extcon_sync(struct extcon_dev *edev, unsigned int id){ return 0;}
static inline int extcon_set_property(struct extcon_dev *edev, unsigned int id, unsigned int prop, union extcon_property_value prop_val){ return 0;}
static inline int extcon_set_property_sync(struct extcon_dev *edev, unsigned int id, unsigned int prop, union extcon_property_value prop_val){ return 0;}
static inline int extcon_set_property_capability(struct extcon_dev *edev, unsigned int id, unsigned int prop){ return 0;}#endif /* CONFIG_EXTCON */#endif /* __LINUX_EXTCON_PROVIDER_H__ */