/*
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* include/linux/gpio_detection.h
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*
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* Platform data structure for GPIO detection driver
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#ifndef __GPIO_DETECTION_H
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#define __GPIO_DETECTION_H
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#define GPIO_EVENT 1
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/*
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* gpio event
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* @val: 0 event active, 1 event over
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* @name: event name
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*/
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struct gpio_event {
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int val;
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const char *name;
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};
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#if IS_ENABLED(CONFIG_GPIO_DET)
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int gpio_det_register_notifier(struct notifier_block *nb);
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int gpio_det_unregister_notifier(struct notifier_block *nb);
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int gpio_det_notifier_call_chain(unsigned long val, void *v);
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#else
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static inline int gpio_det_register_notifier(struct notifier_block *nb)
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{
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return -EINVAL;
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};
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static inline int gpio_det_unregister_notifier(struct notifier_block *nb)
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{
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return -EINVAL;
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};
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static inline int gpio_det_notifier_call_chain(unsigned long val, void *v)
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{
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return -EINVAL;
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};
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#endif
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#endif
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